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Reading and writing data on cloud object storage (AWS S3)
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reading_writing_data.ipynb
{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# Reading and Writing data on cloud object storage (AWS S3)\n",
"Reading from and writing to S3 object storage is a bit different than regular filesystems. Here we access both public read and requester pays buckets and write to a bucket allowed by specified AWS credentials. We rely heavily on `fsspec`, which offers filesystem interfaces to S3 (also HTTPS, FTP and many others) in Python."
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"import fsspec\n",
"import pandas as pd"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Explore items on a public-read S3 bucket"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"['anaconda-public-datasets/enron-email',\n",
" 'anaconda-public-datasets/fashion-mnist',\n",
" 'anaconda-public-datasets/gdelt',\n",
" 'anaconda-public-datasets/iris',\n",
" 'anaconda-public-datasets/nyc-taxi',\n",
" 'anaconda-public-datasets/reddit']"
]
},
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"fs = fsspec.filesystem('s3', anon=True)\n",
"fs.ls('anaconda-public-datasets')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"You can also use glob to explore items"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"['anaconda-public-datasets/iris/iris.csv',\n",
" 'anaconda-public-datasets/nyc-taxi/boros.csv']"
]
},
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"fs.glob('anaconda-public-datasets/*/*.csv')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Read a CSV file from a public read bucket"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [
{
"data": {
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"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
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" text-align: right;\n",
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"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>5.1</th>\n",
" <th>3.5</th>\n",
" <th>1.4</th>\n",
" <th>0.2</th>\n",
" <th>Iris-setosa</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>0</th>\n",
" <td>4.9</td>\n",
" <td>3.0</td>\n",
" <td>1.4</td>\n",
" <td>0.2</td>\n",
" <td>Iris-setosa</td>\n",
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" <tr>\n",
" <th>1</th>\n",
" <td>4.7</td>\n",
" <td>3.2</td>\n",
" <td>1.3</td>\n",
" <td>0.2</td>\n",
" <td>Iris-setosa</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2</th>\n",
" <td>4.6</td>\n",
" <td>3.1</td>\n",
" <td>1.5</td>\n",
" <td>0.2</td>\n",
" <td>Iris-setosa</td>\n",
" </tr>\n",
" <tr>\n",
" <th>3</th>\n",
" <td>5.0</td>\n",
" <td>3.6</td>\n",
" <td>1.4</td>\n",
" <td>0.2</td>\n",
" <td>Iris-setosa</td>\n",
" </tr>\n",
" <tr>\n",
" <th>4</th>\n",
" <td>5.4</td>\n",
" <td>3.9</td>\n",
" <td>1.7</td>\n",
" <td>0.4</td>\n",
" <td>Iris-setosa</td>\n",
" </tr>\n",
" <tr>\n",
" <th>...</th>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
" <td>...</td>\n",
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" <tr>\n",
" <th>144</th>\n",
" <td>6.7</td>\n",
" <td>3.0</td>\n",
" <td>5.2</td>\n",
" <td>2.3</td>\n",
" <td>Iris-virginica</td>\n",
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" <tr>\n",
" <th>145</th>\n",
" <td>6.3</td>\n",
" <td>2.5</td>\n",
" <td>5.0</td>\n",
" <td>1.9</td>\n",
" <td>Iris-virginica</td>\n",
" </tr>\n",
" <tr>\n",
" <th>146</th>\n",
" <td>6.5</td>\n",
" <td>3.0</td>\n",
" <td>5.2</td>\n",
" <td>2.0</td>\n",
" <td>Iris-virginica</td>\n",
" </tr>\n",
" <tr>\n",
" <th>147</th>\n",
" <td>6.2</td>\n",
" <td>3.4</td>\n",
" <td>5.4</td>\n",
" <td>2.3</td>\n",
" <td>Iris-virginica</td>\n",
" </tr>\n",
" <tr>\n",
" <th>148</th>\n",
" <td>5.9</td>\n",
" <td>3.0</td>\n",
" <td>5.1</td>\n",
" <td>1.8</td>\n",
" <td>Iris-virginica</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"<p>149 rows × 5 columns</p>\n",
"</div>"
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"text/plain": [
" 5.1 3.5 1.4 0.2 Iris-setosa\n",
"0 4.9 3.0 1.4 0.2 Iris-setosa\n",
"1 4.7 3.2 1.3 0.2 Iris-setosa\n",
"2 4.6 3.1 1.5 0.2 Iris-setosa\n",
"3 5.0 3.6 1.4 0.2 Iris-setosa\n",
"4 5.4 3.9 1.7 0.4 Iris-setosa\n",
".. ... ... ... ... ...\n",
"144 6.7 3.0 5.2 2.3 Iris-virginica\n",
"145 6.3 2.5 5.0 1.9 Iris-virginica\n",
"146 6.5 3.0 5.2 2.0 Iris-virginica\n",
"147 6.2 3.4 5.4 2.3 Iris-virginica\n",
"148 5.9 3.0 5.1 1.8 Iris-virginica\n",
"\n",
"[149 rows x 5 columns]"
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},
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"infile = fsspec.open(\"s3://anaconda-public-datasets/iris/iris.csv\", \n",
" mode='rt', anon=True)\n",
"with infile as f:\n",
" df = pd.read_csv(f)\n",
"df"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Writing data to S3 buckets"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"To write data, you must first set up your AWS credentials. Open a terminal and type `aws configure --profile esip-qhub` to run a script which will ask for your AWS credentials (the `aws_access_key_id` and `aws_secret_access_key` provided to you. These will be stored in `/home/jovyan/.aws/credentials` with the profile name `esip-qhub`. Make sure you don't commit or share that file anywhere!). \n",
"\n",
"Once the credentials are in place, you should be able to write to buckets where your credentials have permission. On the ESIP qhub, this is the `s3://esip-qhub` bucket. "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Write CSV "
]
},
{
"cell_type": "code",
"execution_count": 5,
"metadata": {},
"outputs": [],
"source": [
"outfile = fsspec.open(f\"s3://esip-qhub/usgs/testing/iris.csv\", \n",
" mode='wt', profile='esip-qhub')\n",
"\n",
"with outfile as f:\n",
" df.to_csv(f)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"List items in a bucket"
]
},
{
"cell_type": "code",
"execution_count": 6,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"['esip-qhub/usgs/testing/2651-A.nc',\n",
" 'esip-qhub/usgs/testing/8544pcs-cal_z3.nc',\n",
" 'esip-qhub/usgs/testing/cesmLE-20C-SSH.zarr',\n",
" 'esip-qhub/usgs/testing/iris.csv',\n",
" 'esip-qhub/usgs/testing/zarr_test']"
]
},
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"fs = fsspec.filesystem('s3', anon=False, profile='esip-qhub')\n",
"fs.ls(f'esip-qhub/usgs/testing/')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### The rest of the examples will use xarray, which follows the NetCDF data model"
]
},
{
"cell_type": "code",
"execution_count": 7,
"metadata": {},
"outputs": [],
"source": [
"import xarray as xr"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Open a NetCDF file from an HTTP server"
]
},
{
"cell_type": "code",
"execution_count": 8,
"metadata": {},
"outputs": [],
"source": [
"infile = fsspec.open('simplecache::https://geoport.usgs.esipfed.org/erddap/files/8544pcs-cal_z3/8544pcs-cal_z3.nc')"
]
},
{
"cell_type": "code",
"execution_count": 9,
"metadata": {},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"/home/conda/store/1275b47015e2a68aaa499ef3ef564199cf91d4ca75ac4fd29f3f296fd0ee70d0-pangeo/lib/python3.8/site-packages/h5netcdf/core.py:763: FutureWarning: String decoding changed with h5py >= 3.0. Currently backwards compatibility with h5py < 3.0 is kept by decoding strings per default. This will change in future versions for consistency with h5py >= 3.0. Setting 'decode_strings=True' forces string decoding.\n",
" warnings.warn(msg, FutureWarning, stacklevel=0)\n"
]
}
],
"source": [
"ds = xr.open_dataset(infile.open(), engine='h5netcdf')"
]
},
{
"cell_type": "code",
"execution_count": 10,
"metadata": {},
"outputs": [
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".xr-var-data-in:checked ~ .xr-var-data {\n",
" display: block;\n",
"}\n",
"\n",
".xr-var-data > table {\n",
" float: right;\n",
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"\n",
".xr-var-name span,\n",
".xr-var-data,\n",
".xr-attrs {\n",
" padding-left: 25px !important;\n",
"}\n",
"\n",
".xr-attrs,\n",
".xr-var-attrs,\n",
".xr-var-data {\n",
" grid-column: 1 / -1;\n",
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"\n",
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" margin: 0;\n",
" display: grid;\n",
" grid-template-columns: 125px auto;\n",
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"\n",
".xr-attrs dt,\n",
".xr-attrs dd {\n",
" padding: 0;\n",
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" float: left;\n",
" padding-right: 10px;\n",
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"\n",
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"\n",
".xr-attrs dt:hover span {\n",
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" background: var(--xr-background-color);\n",
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"\n",
".xr-attrs dd {\n",
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"\n",
".xr-icon-database,\n",
".xr-icon-file-text2 {\n",
" display: inline-block;\n",
" vertical-align: middle;\n",
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"}\n",
"</style><pre class='xr-text-repr-fallback'>&lt;xarray.Dataset&gt;\n",
"Dimensions: (feature_type_instance: 11, time: 2276)\n",
"Coordinates:\n",
" * feature_type_instance (feature_type_instance) |S1 b&#x27;8&#x27; b&#x27;5&#x27; ... b&#x27;a&#x27; b&#x27;l&#x27;\n",
" latitude float32 35.18\n",
" longitude float32 -75.42\n",
" * time (time) datetime64[ns] 2009-01-12T23:51:17 ... 2009...\n",
" z float64 -12.95\n",
"Data variables:\n",
" crs int32 -2147483647\n",
" platform int32 -2147483647\n",
" P_4023 (time) float32 23.7 23.81 23.77 ... 26.34 26.37 26.35\n",
" SDP_850 (time) float32 10.45 11.63 11.02 ... 48.2 50.49 48.5\n",
"Attributes:\n",
" creator_email: rsignell@usgs.gov\n",
" ExtPressInstalled: ParosFreq\n",
" PCADPProbeProfRange: [1.586]\n",
" PCADPProbeFrequency: [1500000.]\n",
" CTDInstalled: No\n",
" CREATION_DATE: 15-Jul-2010 11:13:09\n",
" creator_url: http://www.usgs.gov\n",
" DATA_TYPE: TIME+PROFILE\n",
" CellSize: [0.063]\n",
" POS_CONST: [0]\n",
" PCADPUserSetupPCMode: Yes\n",
" PCADPProbeSerial: H96\n",
" PCADPUserSetupBurstMode: Enabled\n",
" Deployment_date: 12-Jan-2009\n",
" EXPERIMENT: Carolinas Coastal Change Processes Project\n",
" RecorderInstalled: Yes\n",
" source: USGS\n",
" publisher_phone: +1 (508) 548-8700\n",
" contributor_name: J. Warner\n",
" PCADPProbeResMaxHorizVel: [0.87298013]\n",
" PCADPProbeXformMat: [ 2638. -1319. -1319. 0. -2284. 228...\n",
" Recovery_date: 11-May-2009\n",
" ExtSensorInstalled: Yes\n",
" PCADPProbeBlankDistance: [0.2]\n",
" id: 8544pcs-cal_z3\n",
" PressScale_2: [0.]\n",
" creator_phone: +1 (508) 548-8700\n",
" PressOffset: [0.]\n",
" FILL_FLAG: [1]\n",
" PCADPProbeProfMaxVertVel: [0.22594388]\n",
" PCADPProbeProfMaxHorizVel: [0.87298013]\n",
" note: velocity data replaced with fillValue af...\n",
" PCADPUserSetupNcells: [22.]\n",
" PCADPUserSetupAvgInterval: [1.]\n",
" PCADPUserSetupBurstInterval: [3600.]\n",
" original_folder: DIAMONDSHOALS\n",
" publisher_email: emontgomery@usgs.gov\n",
" latitude: [35.17863]\n",
" standard_name_vocabulary: CF-1.6\n",
" CompassInstalled: Yes\n",
" TempInstalled: Yes\n",
" DATA_SUBTYPE: \n",
" DESCRIPT: Sontek PCADP raw data burst file\n",
" nco_openmp_thread_number: [1]\n",
" PressInstalled: No\n",
" SensorOrientation: down\n",
" PCADPProbeResMaxVertVel: [0.60968984]\n",
" PCADPProbeNbeams: [3.]\n",
" WATER_DEPTH: [14.72184]\n",
" dspSoftwareVerNum: [4.]\n",
" PCADPProbeNpingsPerBeam: [5.]\n",
" PCADPUserSetupProfilesPerBurst: [1050.]\n",
" DEPTH_CONST: [1]\n",
" COORD_SYSTEM: GEOGRAPHICAL+PROFILE\n",
" keywords: Oceans &gt; Ocean Pressure &gt; Water Pressure...\n",
" COMPOSITE: [0]\n",
" project_summary: This experiment was designed to investig...\n",
" stop_time: 17-Apr-2009 23:51:16\n",
" contributor_role: principalInvestigator\n",
" DATA_CMNT: Instrument failed on 4/17 in the storm t...\n",
" summary: USGS-CMG time-series data from the Cape ...\n",
" DELTA_T: 3600\n",
" publisher_url: http://www.usgs.gov\n",
" PCADPProbeSampInterval: [5.]\n",
" DATA_ORIGIN: USGS WHSC Sed Trans Group\n",
" longitude: [-75.42292]\n",
" title: USGS-CMG time-series data: DIAMONDSHOALS...\n",
" VAR_FILL: [1.e+35]\n",
" institution: USGS Coastal and Marine Geology Program\n",
" start_time: 12-Jan-2009 23:51:17\n",
" INST_TYPE: Sontek PCADP\n",
" PressFreqOffset: [21.]\n",
" CompassOffset: [0.]\n",
" magnetic_variation: [-10.5]\n",
" PCADPUserSetupPingInterval: [0.]\n",
" ProfilesPerBurst: [1050.]\n",
" publisher_name: Ellyn Montgomery\n",
" creator_name: Rich Signell\n",
" PCADPUserSetupProfileInterval: [1.]\n",
" WATER_MASS: ?\n",
" PCADPProbeHeight: [1.1]\n",
" PCADPProbeSlantAngle: [15.]\n",
" keywords_vocabulary: GCMD Science Keywords\n",
" project_title: Cape Hatteras- Diamond Shoals\n",
" VAR_DESC: burst:u:v:w:USTD:VSTD:WSTD:u_min:v_min:w...\n",
" cpuSoftwareVerNum: [17.]\n",
" PROJECT: USGS Coastal Marine Geology Program\n",
" PressScale: [0.]\n",
" PCADPUserSetupCellSize: [0.063]\n",
" MOORING: [854]\n",
" naming_authority: gov.usgs.cmgp\n",
" original_filename: 8544pcs-cal.nc\n",
" Conventions: CF-1.6,ACDD-1.3\n",
" date_created: 2017-04-11T21:56:00Z\n",
" date_modified: 2017-04-11T21:56:00Z\n",
" date_issued: 2017-04-11T21:56:00Z\n",
" date_metadata_modified: 2017-04-11T21:56:00Z\n",
" cdm_data_type: Station\n",
" geospatial_lat_min: [35.17863]\n",
" geospatial_lat_max: [35.17863]\n",
" geospatial_lat_resolution: [0]\n",
" geospatial_lat_units: degrees_north\n",
" geospatial_lon_min: [-75.42292]\n",
" geospatial_lon_max: [-75.42292]\n",
" geospatial_lon_resolution: [0]\n",
" geospatial_lon_units: degrees_east\n",
" geospatial_bounds: POINT(-75.42292022705078 35.17863082885742)\n",
" geospatial_bounds_crs: EPSG:4326\n",
" time_coverage_start: 2009-01-12T23:51:17\n",
" time_coverage_end: 2009-04-17T18:51:16\n",
" time_coverage_duration: PT8189999S\n",
" time_coverage_resolution: PT3600S\n",
" geospatial_vertical_units: meters\n",
" geospatial_vertical_positive: up\n",
" featureType: timeSeries\n",
" geospatial_vertical_resolution: 0\n",
" geospatial_vertical_min: [-12.9518]\n",
" geospatial_vertical_max: [-12.9518]\n",
" ncei_template_version: NCEI_NetCDF_TimeSeries_Orthogonal_Templa...\n",
" history: Fri Nov 1 20:17:03 2019: ncatted -a pro...\n",
" project: U.S. Geological Survey Oceanographic Tim...\n",
" NCO: netCDF Operators version 4.8.1 (Homepage...</pre><div class='xr-wrap' hidden><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-f9f6e0e3-50c8-49a9-9682-42a006a1dca6' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-f9f6e0e3-50c8-49a9-9682-42a006a1dca6' class='xr-section-summary' title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>feature_type_instance</span>: 11</li><li><span class='xr-has-index'>time</span>: 2276</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-39edfce2-fe92-4642-9def-1b78f77db066' class='xr-section-summary-in' type='checkbox' checked><label for='section-39edfce2-fe92-4642-9def-1b78f77db066' class='xr-section-summary' >Coordinates: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>feature_type_instance</span></div><div class='xr-var-dims'>(feature_type_instance)</div><div class='xr-var-dtype'>|S1</div><div class='xr-var-preview xr-preview'>b&#x27;8&#x27; b&#x27;5&#x27; b&#x27;4&#x27; ... b&#x27;c&#x27; b&#x27;a&#x27; b&#x27;l&#x27;</div><input id='attrs-9761a350-7c17-4c9e-84de-b4587cbd7f13' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-9761a350-7c17-4c9e-84de-b4587cbd7f13' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-30ce77cd-588e-4bf7-8d3e-05d1c3571e06' class='xr-var-data-in' type='checkbox'><label for='data-30ce77cd-588e-4bf7-8d3e-05d1c3571e06' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>cf_role :</span></dt><dd>timeseries_id</dd><dt><span>long_name :</span></dt><dd>Identifier for each feature type instance</dd></dl></div><div class='xr-var-data'><pre>array([b&#x27;8&#x27;, b&#x27;5&#x27;, b&#x27;4&#x27;, b&#x27;4&#x27;, b&#x27;p&#x27;, b&#x27;c&#x27;, b&#x27;s&#x27;, b&#x27;-&#x27;, b&#x27;c&#x27;, b&#x27;a&#x27;, b&#x27;l&#x27;],\n",
" dtype=&#x27;|S1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>latitude</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-802b69ee-32a1-4fea-9f67-5d4ff8ddf0c7' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-802b69ee-32a1-4fea-9f67-5d4ff8ddf0c7' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-1fa43971-9da8-47d0-b799-56a9aacceffd' class='xr-var-data-in' type='checkbox'><label for='data-1fa43971-9da8-47d0-b799-56a9aacceffd' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>sensor latitude</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>valid_min :</span></dt><dd>[35.17863]</dd><dt><span>valid_max :</span></dt><dd>[35.17863]</dd></dl></div><div class='xr-var-data'><pre>array(35.17863, dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>longitude</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-f5ec0d42-7977-4b7f-9ce4-81184dc40be0' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-f5ec0d42-7977-4b7f-9ce4-81184dc40be0' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-86e2572b-ddac-4c6d-9c85-a443d2067a2b' class='xr-var-data-in' type='checkbox'><label for='data-86e2572b-ddac-4c6d-9c85-a443d2067a2b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>sensor longitude</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>valid_min :</span></dt><dd>[-75.42292]</dd><dt><span>valid_max :</span></dt><dd>[-75.42292]</dd></dl></div><div class='xr-var-data'><pre>array(-75.42292, dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2009-01-12T23:51:17 ... 2009-04-...</div><input id='attrs-b53cbce0-0ae5-4314-9f53-b054d13a3ab5' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-b53cbce0-0ae5-4314-9f53-b054d13a3ab5' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-86ccf171-57e4-4e80-9a56-ee325cccc619' class='xr-var-data-in' type='checkbox'><label for='data-86ccf171-57e4-4e80-9a56-ee325cccc619' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>long_name :</span></dt><dd>time of measurement</dd><dt><span>axis :</span></dt><dd>T</dd></dl></div><div class='xr-var-data'><pre>array([&#x27;2009-01-12T23:51:17.000000000&#x27;, &#x27;2009-01-13T00:51:17.000000000&#x27;,\n",
" &#x27;2009-01-13T01:51:17.000000000&#x27;, ..., &#x27;2009-04-17T16:51:16.000000000&#x27;,\n",
" &#x27;2009-04-17T17:51:16.000000000&#x27;, &#x27;2009-04-17T18:51:16.000000000&#x27;],\n",
" dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>z</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-f03d215a-1783-4575-8807-31754b4aafaf' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-f03d215a-1783-4575-8807-31754b4aafaf' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-369ea432-805a-468c-bf52-7d9e7af2deb6' class='xr-var-data-in' type='checkbox'><label for='data-369ea432-805a-468c-bf52-7d9e7af2deb6' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>valid_min :</span></dt><dd>[-12.9518]</dd><dt><span>valid_max :</span></dt><dd>[-12.9518]</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>long_name :</span></dt><dd>z of the sensor relative to the water surface</dd><dt><span>standard_name :</span></dt><dd>height</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd></dl></div><div class='xr-var-data'><pre>array(-12.9518)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-9547f294-7eab-4d1c-a0a8-d40c6a58ee03' class='xr-section-summary-in' type='checkbox' checked><label for='section-9547f294-7eab-4d1c-a0a8-d40c6a58ee03' class='xr-section-summary' >Data variables: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>crs</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-88e7b0f1-be0f-4e7d-a4b5-73df86e8d5d7' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-88e7b0f1-be0f-4e7d-a4b5-73df86e8d5d7' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-d000b99e-53e4-4450-ac0c-4aaa79744619' class='xr-var-data-in' type='checkbox'><label for='data-d000b99e-53e4-4450-ac0c-4aaa79744619' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>long_name :</span></dt><dd>http://www.opengis.net/def/crs/EPSG/0/4326</dd><dt><span>grid_mapping_name :</span></dt><dd>latitude_longitude</dd><dt><span>epsg_code :</span></dt><dd>EPSG:4326</dd><dt><span>semi_major_axis :</span></dt><dd>[6378137.]</dd><dt><span>inverse_flattening :</span></dt><dd>[298.25722356]</dd></dl></div><div class='xr-var-data'><pre>array(-2147483647, dtype=int32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>platform</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-f10e98f1-b32c-473b-8476-804382066cbd' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-f10e98f1-b32c-473b-8476-804382066cbd' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-97212302-5a1b-4f7e-97c0-6b09d895c8ed' class='xr-var-data-in' type='checkbox'><label for='data-97212302-5a1b-4f7e-97c0-6b09d895c8ed' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>definition :</span></dt><dd>http://mmisw.org/ont/ioos/definition/stationID</dd><dt><span>short_name :</span></dt><dd>USGS-CMG time-series data: DIAMONDSHOALS - 854 - 8544pcs-cal</dd><dt><span>long_name :</span></dt><dd>USGS-CMG time-series data from the Cape Hatteras- Diamond Shoals project, mooring 854 and package 8544pcs-cal. This experiment was designed to investigate the ocean circulation and sediment transport dynamics at Diamond Shoals NC.</dd><dt><span>ioos_code :</span></dt><dd>8544pcs-cal</dd></dl></div><div class='xr-var-data'><pre>array(-2147483647, dtype=int32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>P_4023</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-4a55a103-b133-4f1f-8f75-230a2248f432' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-4a55a103-b133-4f1f-8f75-230a2248f432' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-2186d98f-724e-4b6f-8f12-1ed6060a8395' class='xr-var-data-in' type='checkbox'><label for='data-2186d98f-724e-4b6f-8f12-1ed6060a8395' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>dbar</dd><dt><span>actual_min :</span></dt><dd>[2275.9878]</dd><dt><span>standard_name :</span></dt><dd>sea_water_pressure</dd><dt><span>sensor_depth :</span></dt><dd>[12.9518]</dd><dt><span>sensor_type :</span></dt><dd>ParosFreq</dd><dt><span>comment :</span></dt><dd>Instrument failed on 4/17 in the storm that tipped the tripod.</dd><dt><span>long_name :</span></dt><dd>Sea Water Pressure (average over burst)</dd><dt><span>initial_sensor_height :</span></dt><dd>[1.76999998]</dd><dt><span>generic_name :</span></dt><dd>pres</dd><dt><span>epic_code :</span></dt><dd>[4023]</dd><dt><span>FORTRAN_format :</span></dt><dd>f10.3</dd><dt><span>serial :</span></dt><dd>p69367</dd><dt><span>actual_max :</span></dt><dd>[2659.8643]</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd></dl></div><div class='xr-var-data'><pre>array([23.699255, 23.80683 , 23.769455, ..., 26.337088, 26.3722 , 26.351273],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>SDP_850</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-730f421e-e7e4-4c79-ac4c-b943108cf9d3' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-730f421e-e7e4-4c79-ac4c-b943108cf9d3' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-92df5cbc-eb06-4100-b10d-e0c56f7a8e12' class='xr-var-data-in' type='checkbox'><label for='data-92df5cbc-eb06-4100-b10d-e0c56f7a8e12' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>dbar</dd><dt><span>actual_min :</span></dt><dd>[5.7897615]</dd><dt><span>standard_name :</span></dt><dd>sea_water_pressure</dd><dt><span>sensor_depth :</span></dt><dd>[12.9518]</dd><dt><span>sensor_type :</span></dt><dd>ParosFreq</dd><dt><span>comment :</span></dt><dd>Instrument failed on 4/17 in the storm that tipped the tripod.</dd><dt><span>long_name :</span></dt><dd>Sea Water Pressure</dd><dt><span>initial_sensor_height :</span></dt><dd>[1.76999998]</dd><dt><span>generic_name :</span></dt><dd>pres</dd><dt><span>epic_code :</span></dt><dd>[1]</dd><dt><span>serial :</span></dt><dd>p69367</dd><dt><span>actual_max :</span></dt><dd>[71.13375]</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd></dl></div><div class='xr-var-data'><pre>array([10.449184, 11.632065, 11.018159, ..., 48.197933, 50.49052 , 48.496532],\n",
" dtype=float32)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-9d9c0961-f4a0-493c-a13b-e9d0d975c33e' class='xr-section-summary-in' type='checkbox' ><label for='section-9d9c0961-f4a0-493c-a13b-e9d0d975c33e' class='xr-section-summary' >Attributes: <span>(122)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>creator_email :</span></dt><dd>rsignell@usgs.gov</dd><dt><span>ExtPressInstalled :</span></dt><dd>ParosFreq</dd><dt><span>PCADPProbeProfRange :</span></dt><dd>[1.586]</dd><dt><span>PCADPProbeFrequency :</span></dt><dd>[1500000.]</dd><dt><span>CTDInstalled :</span></dt><dd>No</dd><dt><span>CREATION_DATE :</span></dt><dd>15-Jul-2010 11:13:09</dd><dt><span>creator_url :</span></dt><dd>http://www.usgs.gov</dd><dt><span>DATA_TYPE :</span></dt><dd>TIME+PROFILE</dd><dt><span>CellSize :</span></dt><dd>[0.063]</dd><dt><span>POS_CONST :</span></dt><dd>[0]</dd><dt><span>PCADPUserSetupPCMode :</span></dt><dd>Yes</dd><dt><span>PCADPProbeSerial :</span></dt><dd>H96</dd><dt><span>PCADPUserSetupBurstMode :</span></dt><dd>Enabled</dd><dt><span>Deployment_date :</span></dt><dd>12-Jan-2009</dd><dt><span>EXPERIMENT :</span></dt><dd>Carolinas Coastal Change Processes Project</dd><dt><span>RecorderInstalled :</span></dt><dd>Yes</dd><dt><span>source :</span></dt><dd>USGS</dd><dt><span>publisher_phone :</span></dt><dd>+1 (508) 548-8700</dd><dt><span>contributor_name :</span></dt><dd>J. Warner</dd><dt><span>PCADPProbeResMaxHorizVel :</span></dt><dd>[0.87298013]</dd><dt><span>PCADPProbeXformMat :</span></dt><dd>[ 2638. -1319. -1319. 0. -2284. 2284. 353. 353. 353.]</dd><dt><span>Recovery_date :</span></dt><dd>11-May-2009</dd><dt><span>ExtSensorInstalled :</span></dt><dd>Yes</dd><dt><span>PCADPProbeBlankDistance :</span></dt><dd>[0.2]</dd><dt><span>id :</span></dt><dd>8544pcs-cal_z3</dd><dt><span>PressScale_2 :</span></dt><dd>[0.]</dd><dt><span>creator_phone :</span></dt><dd>+1 (508) 548-8700</dd><dt><span>PressOffset :</span></dt><dd>[0.]</dd><dt><span>FILL_FLAG :</span></dt><dd>[1]</dd><dt><span>PCADPProbeProfMaxVertVel :</span></dt><dd>[0.22594388]</dd><dt><span>PCADPProbeProfMaxHorizVel :</span></dt><dd>[0.87298013]</dd><dt><span>note :</span></dt><dd>velocity data replaced with fillValue after tripod tipped over on April, 17, 0000 (burst 2353). The Pcadp failed shortly after the tip. Other varaibles not changed</dd><dt><span>PCADPUserSetupNcells :</span></dt><dd>[22.]</dd><dt><span>PCADPUserSetupAvgInterval :</span></dt><dd>[1.]</dd><dt><span>PCADPUserSetupBurstInterval :</span></dt><dd>[3600.]</dd><dt><span>original_folder :</span></dt><dd>DIAMONDSHOALS</dd><dt><span>publisher_email :</span></dt><dd>emontgomery@usgs.gov</dd><dt><span>latitude :</span></dt><dd>[35.17863]</dd><dt><span>standard_name_vocabulary :</span></dt><dd>CF-1.6</dd><dt><span>CompassInstalled :</span></dt><dd>Yes</dd><dt><span>TempInstalled :</span></dt><dd>Yes</dd><dt><span>DATA_SUBTYPE :</span></dt><dd> </dd><dt><span>DESCRIPT :</span></dt><dd>Sontek PCADP raw data burst file</dd><dt><span>nco_openmp_thread_number :</span></dt><dd>[1]</dd><dt><span>PressInstalled :</span></dt><dd>No</dd><dt><span>SensorOrientation :</span></dt><dd>down</dd><dt><span>PCADPProbeResMaxVertVel :</span></dt><dd>[0.60968984]</dd><dt><span>PCADPProbeNbeams :</span></dt><dd>[3.]</dd><dt><span>WATER_DEPTH :</span></dt><dd>[14.72184]</dd><dt><span>dspSoftwareVerNum :</span></dt><dd>[4.]</dd><dt><span>PCADPProbeNpingsPerBeam :</span></dt><dd>[5.]</dd><dt><span>PCADPUserSetupProfilesPerBurst :</span></dt><dd>[1050.]</dd><dt><span>DEPTH_CONST :</span></dt><dd>[1]</dd><dt><span>COORD_SYSTEM :</span></dt><dd>GEOGRAPHICAL+PROFILE</dd><dt><span>keywords :</span></dt><dd>Oceans &gt; Ocean Pressure &gt; Water Pressure, Oceans &gt; Ocean Temperature &gt; Water Temperature, Oceans &gt; Salinity/Density &gt; Conductivity, Oceans &gt; Salinity/Density &gt; Salinity</dd><dt><span>COMPOSITE :</span></dt><dd>[0]</dd><dt><span>project_summary :</span></dt><dd>This experiment was designed to investigate the ocean circulation and sediment transport dynamics at Diamond Shoals NC.</dd><dt><span>stop_time :</span></dt><dd>17-Apr-2009 23:51:16</dd><dt><span>contributor_role :</span></dt><dd>principalInvestigator</dd><dt><span>DATA_CMNT :</span></dt><dd>Instrument failed on 4/17 in the storm that tipped the tripod.: tripod tipped over on 4/17 0000h. velocity data is NG after that so was replaced with fill_value- other data after that is likely at a different depth so use with care</dd><dt><span>summary :</span></dt><dd>USGS-CMG time-series data from the Cape Hatteras- Diamond Shoals project, mooring 854 and package 8544pcs-cal. This experiment was designed to investigate the ocean circulation and sediment transport dynamics at Diamond Shoals NC.</dd><dt><span>DELTA_T :</span></dt><dd>3600</dd><dt><span>publisher_url :</span></dt><dd>http://www.usgs.gov</dd><dt><span>PCADPProbeSampInterval :</span></dt><dd>[5.]</dd><dt><span>DATA_ORIGIN :</span></dt><dd>USGS WHSC Sed Trans Group</dd><dt><span>longitude :</span></dt><dd>[-75.42292]</dd><dt><span>title :</span></dt><dd>USGS-CMG time-series data: DIAMONDSHOALS - 854 - 8544pcs-cal</dd><dt><span>VAR_FILL :</span></dt><dd>[1.e+35]</dd><dt><span>institution :</span></dt><dd>USGS Coastal and Marine Geology Program</dd><dt><span>start_time :</span></dt><dd>12-Jan-2009 23:51:17</dd><dt><span>INST_TYPE :</span></dt><dd>Sontek PCADP</dd><dt><span>PressFreqOffset :</span></dt><dd>[21.]</dd><dt><span>CompassOffset :</span></dt><dd>[0.]</dd><dt><span>magnetic_variation :</span></dt><dd>[-10.5]</dd><dt><span>PCADPUserSetupPingInterval :</span></dt><dd>[0.]</dd><dt><span>ProfilesPerBurst :</span></dt><dd>[1050.]</dd><dt><span>publisher_name :</span></dt><dd>Ellyn Montgomery</dd><dt><span>creator_name :</span></dt><dd>Rich Signell</dd><dt><span>PCADPUserSetupProfileInterval :</span></dt><dd>[1.]</dd><dt><span>WATER_MASS :</span></dt><dd>?</dd><dt><span>PCADPProbeHeight :</span></dt><dd>[1.1]</dd><dt><span>PCADPProbeSlantAngle :</span></dt><dd>[15.]</dd><dt><span>keywords_vocabulary :</span></dt><dd>GCMD Science Keywords</dd><dt><span>project_title :</span></dt><dd>Cape Hatteras- Diamond Shoals</dd><dt><span>VAR_DESC :</span></dt><dd>burst:u:v:w:USTD:VSTD:WSTD:u_min:v_min:w_min:u_max:v_max:w_max:CS:CD:ResU:ResV:ResW:AGC1:AGC2:AGC3:cor1:cor2:cor3:brange:Hdg:Ptch:Roll:HSD:PSD:RSD:P:SDP:Tx:bindist:attn1:tran1:nep2:sed2</dd><dt><span>cpuSoftwareVerNum :</span></dt><dd>[17.]</dd><dt><span>PROJECT :</span></dt><dd>USGS Coastal Marine Geology Program</dd><dt><span>PressScale :</span></dt><dd>[0.]</dd><dt><span>PCADPUserSetupCellSize :</span></dt><dd>[0.063]</dd><dt><span>MOORING :</span></dt><dd>[854]</dd><dt><span>naming_authority :</span></dt><dd>gov.usgs.cmgp</dd><dt><span>original_filename :</span></dt><dd>8544pcs-cal.nc</dd><dt><span>Conventions :</span></dt><dd>CF-1.6,ACDD-1.3</dd><dt><span>date_created :</span></dt><dd>2017-04-11T21:56:00Z</dd><dt><span>date_modified :</span></dt><dd>2017-04-11T21:56:00Z</dd><dt><span>date_issued :</span></dt><dd>2017-04-11T21:56:00Z</dd><dt><span>date_metadata_modified :</span></dt><dd>2017-04-11T21:56:00Z</dd><dt><span>cdm_data_type :</span></dt><dd>Station</dd><dt><span>geospatial_lat_min :</span></dt><dd>[35.17863]</dd><dt><span>geospatial_lat_max :</span></dt><dd>[35.17863]</dd><dt><span>geospatial_lat_resolution :</span></dt><dd>[0]</dd><dt><span>geospatial_lat_units :</span></dt><dd>degrees_north</dd><dt><span>geospatial_lon_min :</span></dt><dd>[-75.42292]</dd><dt><span>geospatial_lon_max :</span></dt><dd>[-75.42292]</dd><dt><span>geospatial_lon_resolution :</span></dt><dd>[0]</dd><dt><span>geospatial_lon_units :</span></dt><dd>degrees_east</dd><dt><span>geospatial_bounds :</span></dt><dd>POINT(-75.42292022705078 35.17863082885742)</dd><dt><span>geospatial_bounds_crs :</span></dt><dd>EPSG:4326</dd><dt><span>time_coverage_start :</span></dt><dd>2009-01-12T23:51:17</dd><dt><span>time_coverage_end :</span></dt><dd>2009-04-17T18:51:16</dd><dt><span>time_coverage_duration :</span></dt><dd>PT8189999S</dd><dt><span>time_coverage_resolution :</span></dt><dd>PT3600S</dd><dt><span>geospatial_vertical_units :</span></dt><dd>meters</dd><dt><span>geospatial_vertical_positive :</span></dt><dd>up</dd><dt><span>featureType :</span></dt><dd>timeSeries</dd><dt><span>geospatial_vertical_resolution :</span></dt><dd>0</dd><dt><span>geospatial_vertical_min :</span></dt><dd>[-12.9518]</dd><dt><span>geospatial_vertical_max :</span></dt><dd>[-12.9518]</dd><dt><span>ncei_template_version :</span></dt><dd>NCEI_NetCDF_TimeSeries_Orthogonal_Template_v2.0</dd><dt><span>history :</span></dt><dd>Fri Nov 1 20:17:03 2019: ncatted -a project,global,a,c,, CMG_Portal DIAMONDSHOALS/8544pcs-cal_z3.nc\n",
"Fri Sep 10 14:00:05 2010: ncks -a -x -v CTDTMP_4211,CTDCON_4218,CTDSAL_4214 8544pcs-cal.nc 8544pcs-caled.nc\n",
"Fri Sep 10 13:19:13 2010: ncrcat 8544pcAs-cal.nc 8544pcBs-cal.nc 8544pcs-cal.nc\n",
"ambiguity resolution applied, velocities rotated by pcadp2nc; SVN $Revision: 2073 $: cleanhydra_tst SVN $Revision: 1858 $ applied thumbfinger with nsd = 15.000000: Converted to netcdf by adp2cdf; SVN $Revision: 1714 $.\n",
"2017-04-11T21:56:00Z - pyaxiom - File created using pyaxiom</dd><dt><span>project :</span></dt><dd>U.S. Geological Survey Oceanographic Time-Series Data, CMG_Portal</dd><dt><span>NCO :</span></dt><dd>netCDF Operators version 4.8.1 (Homepage = http://nco.sf.net, Code = http://github.com/nco/nco)</dd></dl></div></li></ul></div></div>"
],
"text/plain": [
"<xarray.Dataset>\n",
"Dimensions: (feature_type_instance: 11, time: 2276)\n",
"Coordinates:\n",
" * feature_type_instance (feature_type_instance) |S1 b'8' b'5' ... b'a' b'l'\n",
" latitude float32 ...\n",
" longitude float32 ...\n",
" * time (time) datetime64[ns] 2009-01-12T23:51:17 ... 2009...\n",
" z float64 ...\n",
"Data variables:\n",
" crs int32 ...\n",
" platform int32 ...\n",
" P_4023 (time) float32 ...\n",
" SDP_850 (time) float32 ...\n",
"Attributes:\n",
" creator_email: rsignell@usgs.gov\n",
" ExtPressInstalled: ParosFreq\n",
" PCADPProbeProfRange: [1.586]\n",
" PCADPProbeFrequency: [1500000.]\n",
" CTDInstalled: No\n",
" CREATION_DATE: 15-Jul-2010 11:13:09\n",
" creator_url: http://www.usgs.gov\n",
" DATA_TYPE: TIME+PROFILE\n",
" CellSize: [0.063]\n",
" POS_CONST: [0]\n",
" PCADPUserSetupPCMode: Yes\n",
" PCADPProbeSerial: H96\n",
" PCADPUserSetupBurstMode: Enabled\n",
" Deployment_date: 12-Jan-2009\n",
" EXPERIMENT: Carolinas Coastal Change Processes Project\n",
" RecorderInstalled: Yes\n",
" source: USGS\n",
" publisher_phone: +1 (508) 548-8700\n",
" contributor_name: J. Warner\n",
" PCADPProbeResMaxHorizVel: [0.87298013]\n",
" PCADPProbeXformMat: [ 2638. -1319. -1319. 0. -2284. 228...\n",
" Recovery_date: 11-May-2009\n",
" ExtSensorInstalled: Yes\n",
" PCADPProbeBlankDistance: [0.2]\n",
" id: 8544pcs-cal_z3\n",
" PressScale_2: [0.]\n",
" creator_phone: +1 (508) 548-8700\n",
" PressOffset: [0.]\n",
" FILL_FLAG: [1]\n",
" PCADPProbeProfMaxVertVel: [0.22594388]\n",
" PCADPProbeProfMaxHorizVel: [0.87298013]\n",
" note: velocity data replaced with fillValue af...\n",
" PCADPUserSetupNcells: [22.]\n",
" PCADPUserSetupAvgInterval: [1.]\n",
" PCADPUserSetupBurstInterval: [3600.]\n",
" original_folder: DIAMONDSHOALS\n",
" publisher_email: emontgomery@usgs.gov\n",
" latitude: [35.17863]\n",
" standard_name_vocabulary: CF-1.6\n",
" CompassInstalled: Yes\n",
" TempInstalled: Yes\n",
" DATA_SUBTYPE: \n",
" DESCRIPT: Sontek PCADP raw data burst file\n",
" nco_openmp_thread_number: [1]\n",
" PressInstalled: No\n",
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" PCADPUserSetupProfilesPerBurst: [1050.]\n",
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" project_summary: This experiment was designed to investig...\n",
" stop_time: 17-Apr-2009 23:51:16\n",
" contributor_role: principalInvestigator\n",
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" longitude: [-75.42292]\n",
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" VAR_FILL: [1.e+35]\n",
" institution: USGS Coastal and Marine Geology Program\n",
" start_time: 12-Jan-2009 23:51:17\n",
" INST_TYPE: Sontek PCADP\n",
" PressFreqOffset: [21.]\n",
" CompassOffset: [0.]\n",
" magnetic_variation: [-10.5]\n",
" PCADPUserSetupPingInterval: [0.]\n",
" ProfilesPerBurst: [1050.]\n",
" publisher_name: Ellyn Montgomery\n",
" creator_name: Rich Signell\n",
" PCADPUserSetupProfileInterval: [1.]\n",
" WATER_MASS: ?\n",
" PCADPProbeHeight: [1.1]\n",
" PCADPProbeSlantAngle: [15.]\n",
" keywords_vocabulary: GCMD Science Keywords\n",
" project_title: Cape Hatteras- Diamond Shoals\n",
" VAR_DESC: burst:u:v:w:USTD:VSTD:WSTD:u_min:v_min:w...\n",
" cpuSoftwareVerNum: [17.]\n",
" PROJECT: USGS Coastal Marine Geology Program\n",
" PressScale: [0.]\n",
" PCADPUserSetupCellSize: [0.063]\n",
" MOORING: [854]\n",
" naming_authority: gov.usgs.cmgp\n",
" original_filename: 8544pcs-cal.nc\n",
" Conventions: CF-1.6,ACDD-1.3\n",
" date_created: 2017-04-11T21:56:00Z\n",
" date_modified: 2017-04-11T21:56:00Z\n",
" date_issued: 2017-04-11T21:56:00Z\n",
" date_metadata_modified: 2017-04-11T21:56:00Z\n",
" cdm_data_type: Station\n",
" geospatial_lat_min: [35.17863]\n",
" geospatial_lat_max: [35.17863]\n",
" geospatial_lat_resolution: [0]\n",
" geospatial_lat_units: degrees_north\n",
" geospatial_lon_min: [-75.42292]\n",
" geospatial_lon_max: [-75.42292]\n",
" geospatial_lon_resolution: [0]\n",
" geospatial_lon_units: degrees_east\n",
" geospatial_bounds: POINT(-75.42292022705078 35.17863082885742)\n",
" geospatial_bounds_crs: EPSG:4326\n",
" time_coverage_start: 2009-01-12T23:51:17\n",
" time_coverage_end: 2009-04-17T18:51:16\n",
" time_coverage_duration: PT8189999S\n",
" time_coverage_resolution: PT3600S\n",
" geospatial_vertical_units: meters\n",
" geospatial_vertical_positive: up\n",
" featureType: timeSeries\n",
" geospatial_vertical_resolution: 0\n",
" geospatial_vertical_min: [-12.9518]\n",
" geospatial_vertical_max: [-12.9518]\n",
" ncei_template_version: NCEI_NetCDF_TimeSeries_Orthogonal_Templa...\n",
" history: Fri Nov 1 20:17:03 2019: ncatted -a pro...\n",
" project: U.S. Geological Survey Oceanographic Tim...\n",
" NCO: netCDF Operators version 4.8.1 (Homepage..."
]
},
"execution_count": 10,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ds"
]
},
{
"cell_type": "code",
"execution_count": 11,
"metadata": {},
"outputs": [],
"source": [
"outfile = fsspec.open('simplecache::s3://esip-qhub/usgs/testing/8544pcs-cal_z3.nc', \n",
" mode='wb', s3=dict(profile='esip-qhub'))\n",
"with outfile as f:\n",
" ds.to_netcdf(f)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Read NetCDF data from a bucket"
]
},
{
"cell_type": "code",
"execution_count": 12,
"metadata": {},
"outputs": [
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"</style><pre class='xr-text-repr-fallback'>&lt;xarray.Dataset&gt;\n",
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" latitude: 35.17863\n",
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" keywords: Oceans &gt; Ocean Pressure &gt; Water Pressure...\n",
" COMPOSITE: 0\n",
" project_summary: This experiment was designed to investig...\n",
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" institution: USGS Coastal and Marine Geology Program\n",
" start_time: 12-Jan-2009 23:51:17\n",
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" keywords_vocabulary: GCMD Science Keywords\n",
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" original_filename: 8544pcs-cal.nc\n",
" Conventions: CF-1.6,ACDD-1.3\n",
" date_created: 2017-04-11T21:56:00Z\n",
" date_modified: 2017-04-11T21:56:00Z\n",
" date_issued: 2017-04-11T21:56:00Z\n",
" date_metadata_modified: 2017-04-11T21:56:00Z\n",
" cdm_data_type: Station\n",
" geospatial_lat_min: 35.17863\n",
" geospatial_lat_max: 35.17863\n",
" geospatial_lat_resolution: 0\n",
" geospatial_lat_units: degrees_north\n",
" geospatial_lon_min: -75.42292\n",
" geospatial_lon_max: -75.42292\n",
" geospatial_lon_resolution: 0\n",
" geospatial_lon_units: degrees_east\n",
" geospatial_bounds: POINT(-75.42292022705078 35.17863082885742)\n",
" geospatial_bounds_crs: EPSG:4326\n",
" time_coverage_start: 2009-01-12T23:51:17\n",
" time_coverage_end: 2009-04-17T18:51:16\n",
" time_coverage_duration: PT8189999S\n",
" time_coverage_resolution: PT3600S\n",
" geospatial_vertical_units: meters\n",
" geospatial_vertical_positive: up\n",
" featureType: timeSeries\n",
" geospatial_vertical_resolution: 0\n",
" geospatial_vertical_min: -12.9518\n",
" geospatial_vertical_max: -12.9518\n",
" ncei_template_version: NCEI_NetCDF_TimeSeries_Orthogonal_Templa...\n",
" history: Fri Nov 1 20:17:03 2019: ncatted -a pro...\n",
" project: U.S. Geological Survey Oceanographic Tim...\n",
" NCO: netCDF Operators version 4.8.1 (Homepage...</pre><div class='xr-wrap' hidden><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-c87e7790-f2f6-4f2c-b508-cad3dc7f07bc' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-c87e7790-f2f6-4f2c-b508-cad3dc7f07bc' class='xr-section-summary' title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>feature_type_instance</span>: 11</li><li><span class='xr-has-index'>time</span>: 2276</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-ed7df979-103c-4a93-96e5-6d09f07b562f' class='xr-section-summary-in' type='checkbox' checked><label for='section-ed7df979-103c-4a93-96e5-6d09f07b562f' class='xr-section-summary' >Coordinates: <span>(5)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2009-01-12T23:51:17 ... 2009-04-...</div><input id='attrs-db556147-3ea6-41f9-8954-672db865766a' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-db556147-3ea6-41f9-8954-672db865766a' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-39e3a3e4-37a5-4f41-b527-ddf42606f7f7' class='xr-var-data-in' type='checkbox'><label for='data-39e3a3e4-37a5-4f41-b527-ddf42606f7f7' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>long_name :</span></dt><dd>time of measurement</dd><dt><span>axis :</span></dt><dd>T</dd></dl></div><div class='xr-var-data'><pre>array([&#x27;2009-01-12T23:51:17.000000000&#x27;, &#x27;2009-01-13T00:51:17.000000000&#x27;,\n",
" &#x27;2009-01-13T01:51:17.000000000&#x27;, ..., &#x27;2009-04-17T16:51:16.000000000&#x27;,\n",
" &#x27;2009-04-17T17:51:16.000000000&#x27;, &#x27;2009-04-17T18:51:16.000000000&#x27;],\n",
" dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>feature_type_instance</span></div><div class='xr-var-dims'>(feature_type_instance)</div><div class='xr-var-dtype'>|S1</div><div class='xr-var-preview xr-preview'>b&#x27;8&#x27; b&#x27;5&#x27; b&#x27;4&#x27; ... b&#x27;c&#x27; b&#x27;a&#x27; b&#x27;l&#x27;</div><input id='attrs-cb94c3c5-ae8d-4ec3-a514-6b61a8f0e272' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-cb94c3c5-ae8d-4ec3-a514-6b61a8f0e272' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-ac93a1bc-1b10-4bf2-bd6b-47e7ac4ba8e6' class='xr-var-data-in' type='checkbox'><label for='data-ac93a1bc-1b10-4bf2-bd6b-47e7ac4ba8e6' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>cf_role :</span></dt><dd>timeseries_id</dd><dt><span>long_name :</span></dt><dd>Identifier for each feature type instance</dd></dl></div><div class='xr-var-data'><pre>array([b&#x27;8&#x27;, b&#x27;5&#x27;, b&#x27;4&#x27;, b&#x27;4&#x27;, b&#x27;p&#x27;, b&#x27;c&#x27;, b&#x27;s&#x27;, b&#x27;-&#x27;, b&#x27;c&#x27;, b&#x27;a&#x27;, b&#x27;l&#x27;],\n",
" dtype=&#x27;|S1&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>latitude</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-16b07ff5-989c-4d6b-a527-84ecb977787b' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-16b07ff5-989c-4d6b-a527-84ecb977787b' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-109aea3f-a44e-436b-9ec4-48db55c69a7b' class='xr-var-data-in' type='checkbox'><label for='data-109aea3f-a44e-436b-9ec4-48db55c69a7b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>sensor latitude</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>valid_min :</span></dt><dd>35.17863</dd><dt><span>valid_max :</span></dt><dd>35.17863</dd></dl></div><div class='xr-var-data'><pre>array(35.17863, dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>longitude</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-bb6483ed-1f7b-4c43-a529-d841add6f058' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-bb6483ed-1f7b-4c43-a529-d841add6f058' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c4ef820d-6a5e-4ae5-8b7a-e69eddf9b75b' class='xr-var-data-in' type='checkbox'><label for='data-c4ef820d-6a5e-4ae5-8b7a-e69eddf9b75b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>sensor longitude</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>valid_min :</span></dt><dd>-75.42292</dd><dt><span>valid_max :</span></dt><dd>-75.42292</dd></dl></div><div class='xr-var-data'><pre>array(-75.42292, dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>z</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-911e2085-fc8d-48c2-b63b-a9590263f042' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-911e2085-fc8d-48c2-b63b-a9590263f042' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-a0ead2e2-0ffb-4f53-86c7-217369878a47' class='xr-var-data-in' type='checkbox'><label for='data-a0ead2e2-0ffb-4f53-86c7-217369878a47' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>valid_min :</span></dt><dd>-12.9518</dd><dt><span>valid_max :</span></dt><dd>-12.9518</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>long_name :</span></dt><dd>z of the sensor relative to the water surface</dd><dt><span>standard_name :</span></dt><dd>height</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd></dl></div><div class='xr-var-data'><pre>array(-12.9518)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-394186e6-0737-4a33-84e6-9d67a9e9bb8b' class='xr-section-summary-in' type='checkbox' checked><label for='section-394186e6-0737-4a33-84e6-9d67a9e9bb8b' class='xr-section-summary' >Data variables: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>P_4023</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-73ad04c6-942c-4009-a36d-44e62a2c494f' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-73ad04c6-942c-4009-a36d-44e62a2c494f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-9ba84142-1d04-4677-b97a-16207ea9d81c' class='xr-var-data-in' type='checkbox'><label for='data-9ba84142-1d04-4677-b97a-16207ea9d81c' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>dbar</dd><dt><span>actual_min :</span></dt><dd>2275.9878</dd><dt><span>standard_name :</span></dt><dd>sea_water_pressure</dd><dt><span>sensor_depth :</span></dt><dd>12.9518</dd><dt><span>sensor_type :</span></dt><dd>ParosFreq</dd><dt><span>comment :</span></dt><dd>Instrument failed on 4/17 in the storm that tipped the tripod.</dd><dt><span>long_name :</span></dt><dd>Sea Water Pressure (average over burst)</dd><dt><span>initial_sensor_height :</span></dt><dd>1.7699999809265137</dd><dt><span>generic_name :</span></dt><dd>pres</dd><dt><span>epic_code :</span></dt><dd>4023</dd><dt><span>FORTRAN_format :</span></dt><dd>f10.3</dd><dt><span>serial :</span></dt><dd>p69367</dd><dt><span>actual_max :</span></dt><dd>2659.8643</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd></dl></div><div class='xr-var-data'><pre>array([23.699255, 23.80683 , 23.769455, ..., 26.337088, 26.3722 , 26.351273],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>SDP_850</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-e7372ea2-c936-4633-9901-bc2870f26655' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-e7372ea2-c936-4633-9901-bc2870f26655' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-30b5c2d3-22b9-4bb9-acbb-c1696a96778e' class='xr-var-data-in' type='checkbox'><label for='data-30b5c2d3-22b9-4bb9-acbb-c1696a96778e' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>dbar</dd><dt><span>actual_min :</span></dt><dd>5.7897615</dd><dt><span>standard_name :</span></dt><dd>sea_water_pressure</dd><dt><span>sensor_depth :</span></dt><dd>12.9518</dd><dt><span>sensor_type :</span></dt><dd>ParosFreq</dd><dt><span>comment :</span></dt><dd>Instrument failed on 4/17 in the storm that tipped the tripod.</dd><dt><span>long_name :</span></dt><dd>Sea Water Pressure</dd><dt><span>initial_sensor_height :</span></dt><dd>1.7699999809265137</dd><dt><span>generic_name :</span></dt><dd>pres</dd><dt><span>epic_code :</span></dt><dd>1</dd><dt><span>serial :</span></dt><dd>p69367</dd><dt><span>actual_max :</span></dt><dd>71.13375</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd></dl></div><div class='xr-var-data'><pre>array([10.449184, 11.632065, 11.018159, ..., 48.197933, 50.49052 , 48.496532],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>crs</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-e09ea31a-c1f2-46d6-ab38-7f384cbe585e' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-e09ea31a-c1f2-46d6-ab38-7f384cbe585e' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-0a743c5d-6452-4b59-89f5-19f958f3cb43' class='xr-var-data-in' type='checkbox'><label for='data-0a743c5d-6452-4b59-89f5-19f958f3cb43' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>long_name :</span></dt><dd>http://www.opengis.net/def/crs/EPSG/0/4326</dd><dt><span>grid_mapping_name :</span></dt><dd>latitude_longitude</dd><dt><span>epsg_code :</span></dt><dd>EPSG:4326</dd><dt><span>semi_major_axis :</span></dt><dd>6378137.0</dd><dt><span>inverse_flattening :</span></dt><dd>298.257223563</dd></dl></div><div class='xr-var-data'><pre>array(-2147483647, dtype=int32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>platform</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-7d52117c-7a88-45bd-af59-0b34b78da435' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-7d52117c-7a88-45bd-af59-0b34b78da435' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-e7b6852d-88da-400e-ad30-f9efd9e9a6a6' class='xr-var-data-in' type='checkbox'><label for='data-e7b6852d-88da-400e-ad30-f9efd9e9a6a6' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>definition :</span></dt><dd>http://mmisw.org/ont/ioos/definition/stationID</dd><dt><span>short_name :</span></dt><dd>USGS-CMG time-series data: DIAMONDSHOALS - 854 - 8544pcs-cal</dd><dt><span>long_name :</span></dt><dd>USGS-CMG time-series data from the Cape Hatteras- Diamond Shoals project, mooring 854 and package 8544pcs-cal. This experiment was designed to investigate the ocean circulation and sediment transport dynamics at Diamond Shoals NC.</dd><dt><span>ioos_code :</span></dt><dd>8544pcs-cal</dd></dl></div><div class='xr-var-data'><pre>array(-2147483647, dtype=int32)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-7839ea0f-68f6-4f93-accf-0590c3288572' class='xr-section-summary-in' type='checkbox' ><label for='section-7839ea0f-68f6-4f93-accf-0590c3288572' class='xr-section-summary' >Attributes: <span>(122)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>creator_email :</span></dt><dd>rsignell@usgs.gov</dd><dt><span>ExtPressInstalled :</span></dt><dd>ParosFreq</dd><dt><span>PCADPProbeProfRange :</span></dt><dd>1.586</dd><dt><span>PCADPProbeFrequency :</span></dt><dd>1500000.0</dd><dt><span>CTDInstalled :</span></dt><dd>No</dd><dt><span>CREATION_DATE :</span></dt><dd>15-Jul-2010 11:13:09</dd><dt><span>creator_url :</span></dt><dd>http://www.usgs.gov</dd><dt><span>DATA_TYPE :</span></dt><dd>TIME+PROFILE</dd><dt><span>CellSize :</span></dt><dd>0.063</dd><dt><span>POS_CONST :</span></dt><dd>0</dd><dt><span>PCADPUserSetupPCMode :</span></dt><dd>Yes</dd><dt><span>PCADPProbeSerial :</span></dt><dd>H96</dd><dt><span>PCADPUserSetupBurstMode :</span></dt><dd>Enabled</dd><dt><span>Deployment_date :</span></dt><dd>12-Jan-2009</dd><dt><span>EXPERIMENT :</span></dt><dd>Carolinas Coastal Change Processes Project</dd><dt><span>RecorderInstalled :</span></dt><dd>Yes</dd><dt><span>source :</span></dt><dd>USGS</dd><dt><span>publisher_phone :</span></dt><dd>+1 (508) 548-8700</dd><dt><span>contributor_name :</span></dt><dd>J. Warner</dd><dt><span>PCADPProbeResMaxHorizVel :</span></dt><dd>0.8729801288148435</dd><dt><span>PCADPProbeXformMat :</span></dt><dd>[ 2638. -1319. -1319. 0. -2284. 2284. 353. 353. 353.]</dd><dt><span>Recovery_date :</span></dt><dd>11-May-2009</dd><dt><span>ExtSensorInstalled :</span></dt><dd>Yes</dd><dt><span>PCADPProbeBlankDistance :</span></dt><dd>0.2</dd><dt><span>id :</span></dt><dd>8544pcs-cal_z3</dd><dt><span>PressScale_2 :</span></dt><dd>0.0</dd><dt><span>creator_phone :</span></dt><dd>+1 (508) 548-8700</dd><dt><span>PressOffset :</span></dt><dd>0.0</dd><dt><span>FILL_FLAG :</span></dt><dd>1</dd><dt><span>PCADPProbeProfMaxVertVel :</span></dt><dd>0.22594388333333335</dd><dt><span>PCADPProbeProfMaxHorizVel :</span></dt><dd>0.8729801288148435</dd><dt><span>note :</span></dt><dd>velocity data replaced with fillValue after tripod tipped over on April, 17, 0000 (burst 2353). The Pcadp failed shortly after the tip. Other varaibles not changed</dd><dt><span>PCADPUserSetupNcells :</span></dt><dd>22.0</dd><dt><span>PCADPUserSetupAvgInterval :</span></dt><dd>1.0</dd><dt><span>PCADPUserSetupBurstInterval :</span></dt><dd>3600.0</dd><dt><span>original_folder :</span></dt><dd>DIAMONDSHOALS</dd><dt><span>publisher_email :</span></dt><dd>emontgomery@usgs.gov</dd><dt><span>latitude :</span></dt><dd>35.17863</dd><dt><span>standard_name_vocabulary :</span></dt><dd>CF-1.6</dd><dt><span>CompassInstalled :</span></dt><dd>Yes</dd><dt><span>TempInstalled :</span></dt><dd>Yes</dd><dt><span>DATA_SUBTYPE :</span></dt><dd> </dd><dt><span>DESCRIPT :</span></dt><dd>Sontek PCADP raw data burst file</dd><dt><span>nco_openmp_thread_number :</span></dt><dd>1</dd><dt><span>PressInstalled :</span></dt><dd>No</dd><dt><span>SensorOrientation :</span></dt><dd>down</dd><dt><span>PCADPProbeResMaxVertVel :</span></dt><dd>0.609689843915344</dd><dt><span>PCADPProbeNbeams :</span></dt><dd>3.0</dd><dt><span>WATER_DEPTH :</span></dt><dd>14.72184</dd><dt><span>dspSoftwareVerNum :</span></dt><dd>4.0</dd><dt><span>PCADPProbeNpingsPerBeam :</span></dt><dd>5.0</dd><dt><span>PCADPUserSetupProfilesPerBurst :</span></dt><dd>1050.0</dd><dt><span>DEPTH_CONST :</span></dt><dd>1</dd><dt><span>COORD_SYSTEM :</span></dt><dd>GEOGRAPHICAL+PROFILE</dd><dt><span>keywords :</span></dt><dd>Oceans &gt; Ocean Pressure &gt; Water Pressure, Oceans &gt; Ocean Temperature &gt; Water Temperature, Oceans &gt; Salinity/Density &gt; Conductivity, Oceans &gt; Salinity/Density &gt; Salinity</dd><dt><span>COMPOSITE :</span></dt><dd>0</dd><dt><span>project_summary :</span></dt><dd>This experiment was designed to investigate the ocean circulation and sediment transport dynamics at Diamond Shoals NC.</dd><dt><span>stop_time :</span></dt><dd>17-Apr-2009 23:51:16</dd><dt><span>contributor_role :</span></dt><dd>principalInvestigator</dd><dt><span>DATA_CMNT :</span></dt><dd>Instrument failed on 4/17 in the storm that tipped the tripod.: tripod tipped over on 4/17 0000h. velocity data is NG after that so was replaced with fill_value- other data after that is likely at a different depth so use with care</dd><dt><span>summary :</span></dt><dd>USGS-CMG time-series data from the Cape Hatteras- Diamond Shoals project, mooring 854 and package 8544pcs-cal. This experiment was designed to investigate the ocean circulation and sediment transport dynamics at Diamond Shoals NC.</dd><dt><span>DELTA_T :</span></dt><dd>3600</dd><dt><span>publisher_url :</span></dt><dd>http://www.usgs.gov</dd><dt><span>PCADPProbeSampInterval :</span></dt><dd>5.0</dd><dt><span>DATA_ORIGIN :</span></dt><dd>USGS WHSC Sed Trans Group</dd><dt><span>longitude :</span></dt><dd>-75.42292</dd><dt><span>title :</span></dt><dd>USGS-CMG time-series data: DIAMONDSHOALS - 854 - 8544pcs-cal</dd><dt><span>VAR_FILL :</span></dt><dd>1e+35</dd><dt><span>institution :</span></dt><dd>USGS Coastal and Marine Geology Program</dd><dt><span>start_time :</span></dt><dd>12-Jan-2009 23:51:17</dd><dt><span>INST_TYPE :</span></dt><dd>Sontek PCADP</dd><dt><span>PressFreqOffset :</span></dt><dd>21.0</dd><dt><span>CompassOffset :</span></dt><dd>0.0</dd><dt><span>magnetic_variation :</span></dt><dd>-10.5</dd><dt><span>PCADPUserSetupPingInterval :</span></dt><dd>0.0</dd><dt><span>ProfilesPerBurst :</span></dt><dd>1050.0</dd><dt><span>publisher_name :</span></dt><dd>Ellyn Montgomery</dd><dt><span>creator_name :</span></dt><dd>Rich Signell</dd><dt><span>PCADPUserSetupProfileInterval :</span></dt><dd>1.0</dd><dt><span>WATER_MASS :</span></dt><dd>?</dd><dt><span>PCADPProbeHeight :</span></dt><dd>1.1</dd><dt><span>PCADPProbeSlantAngle :</span></dt><dd>15.0</dd><dt><span>keywords_vocabulary :</span></dt><dd>GCMD Science Keywords</dd><dt><span>project_title :</span></dt><dd>Cape Hatteras- Diamond Shoals</dd><dt><span>VAR_DESC :</span></dt><dd>burst:u:v:w:USTD:VSTD:WSTD:u_min:v_min:w_min:u_max:v_max:w_max:CS:CD:ResU:ResV:ResW:AGC1:AGC2:AGC3:cor1:cor2:cor3:brange:Hdg:Ptch:Roll:HSD:PSD:RSD:P:SDP:Tx:bindist:attn1:tran1:nep2:sed2</dd><dt><span>cpuSoftwareVerNum :</span></dt><dd>17.0</dd><dt><span>PROJECT :</span></dt><dd>USGS Coastal Marine Geology Program</dd><dt><span>PressScale :</span></dt><dd>0.0</dd><dt><span>PCADPUserSetupCellSize :</span></dt><dd>0.063</dd><dt><span>MOORING :</span></dt><dd>854</dd><dt><span>naming_authority :</span></dt><dd>gov.usgs.cmgp</dd><dt><span>original_filename :</span></dt><dd>8544pcs-cal.nc</dd><dt><span>Conventions :</span></dt><dd>CF-1.6,ACDD-1.3</dd><dt><span>date_created :</span></dt><dd>2017-04-11T21:56:00Z</dd><dt><span>date_modified :</span></dt><dd>2017-04-11T21:56:00Z</dd><dt><span>date_issued :</span></dt><dd>2017-04-11T21:56:00Z</dd><dt><span>date_metadata_modified :</span></dt><dd>2017-04-11T21:56:00Z</dd><dt><span>cdm_data_type :</span></dt><dd>Station</dd><dt><span>geospatial_lat_min :</span></dt><dd>35.17863</dd><dt><span>geospatial_lat_max :</span></dt><dd>35.17863</dd><dt><span>geospatial_lat_resolution :</span></dt><dd>0</dd><dt><span>geospatial_lat_units :</span></dt><dd>degrees_north</dd><dt><span>geospatial_lon_min :</span></dt><dd>-75.42292</dd><dt><span>geospatial_lon_max :</span></dt><dd>-75.42292</dd><dt><span>geospatial_lon_resolution :</span></dt><dd>0</dd><dt><span>geospatial_lon_units :</span></dt><dd>degrees_east</dd><dt><span>geospatial_bounds :</span></dt><dd>POINT(-75.42292022705078 35.17863082885742)</dd><dt><span>geospatial_bounds_crs :</span></dt><dd>EPSG:4326</dd><dt><span>time_coverage_start :</span></dt><dd>2009-01-12T23:51:17</dd><dt><span>time_coverage_end :</span></dt><dd>2009-04-17T18:51:16</dd><dt><span>time_coverage_duration :</span></dt><dd>PT8189999S</dd><dt><span>time_coverage_resolution :</span></dt><dd>PT3600S</dd><dt><span>geospatial_vertical_units :</span></dt><dd>meters</dd><dt><span>geospatial_vertical_positive :</span></dt><dd>up</dd><dt><span>featureType :</span></dt><dd>timeSeries</dd><dt><span>geospatial_vertical_resolution :</span></dt><dd>0</dd><dt><span>geospatial_vertical_min :</span></dt><dd>-12.9518</dd><dt><span>geospatial_vertical_max :</span></dt><dd>-12.9518</dd><dt><span>ncei_template_version :</span></dt><dd>NCEI_NetCDF_TimeSeries_Orthogonal_Template_v2.0</dd><dt><span>history :</span></dt><dd>Fri Nov 1 20:17:03 2019: ncatted -a project,global,a,c,, CMG_Portal DIAMONDSHOALS/8544pcs-cal_z3.nc\n",
"Fri Sep 10 14:00:05 2010: ncks -a -x -v CTDTMP_4211,CTDCON_4218,CTDSAL_4214 8544pcs-cal.nc 8544pcs-caled.nc\n",
"Fri Sep 10 13:19:13 2010: ncrcat 8544pcAs-cal.nc 8544pcBs-cal.nc 8544pcs-cal.nc\n",
"ambiguity resolution applied, velocities rotated by pcadp2nc; SVN $Revision: 2073 $: cleanhydra_tst SVN $Revision: 1858 $ applied thumbfinger with nsd = 15.000000: Converted to netcdf by adp2cdf; SVN $Revision: 1714 $.\n",
"2017-04-11T21:56:00Z - pyaxiom - File created using pyaxiom</dd><dt><span>project :</span></dt><dd>U.S. Geological Survey Oceanographic Time-Series Data, CMG_Portal</dd><dt><span>NCO :</span></dt><dd>netCDF Operators version 4.8.1 (Homepage = http://nco.sf.net, Code = http://github.com/nco/nco)</dd></dl></div></li></ul></div></div>"
],
"text/plain": [
"<xarray.Dataset>\n",
"Dimensions: (feature_type_instance: 11, time: 2276)\n",
"Coordinates:\n",
" * time (time) datetime64[ns] 2009-01-12T23:51:17 ... 2009...\n",
" * feature_type_instance (feature_type_instance) |S1 b'8' b'5' ... b'a' b'l'\n",
" latitude float32 ...\n",
" longitude float32 ...\n",
" z float64 ...\n",
"Data variables:\n",
" P_4023 (time) float32 ...\n",
" SDP_850 (time) float32 ...\n",
" crs int32 ...\n",
" platform int32 ...\n",
"Attributes:\n",
" creator_email: rsignell@usgs.gov\n",
" ExtPressInstalled: ParosFreq\n",
" PCADPProbeProfRange: 1.586\n",
" PCADPProbeFrequency: 1500000.0\n",
" CTDInstalled: No\n",
" CREATION_DATE: 15-Jul-2010 11:13:09\n",
" creator_url: http://www.usgs.gov\n",
" DATA_TYPE: TIME+PROFILE\n",
" CellSize: 0.063\n",
" POS_CONST: 0\n",
" PCADPUserSetupPCMode: Yes\n",
" PCADPProbeSerial: H96\n",
" PCADPUserSetupBurstMode: Enabled\n",
" Deployment_date: 12-Jan-2009\n",
" EXPERIMENT: Carolinas Coastal Change Processes Project\n",
" RecorderInstalled: Yes\n",
" source: USGS\n",
" publisher_phone: +1 (508) 548-8700\n",
" contributor_name: J. Warner\n",
" PCADPProbeResMaxHorizVel: 0.8729801288148435\n",
" PCADPProbeXformMat: [ 2638. -1319. -1319. 0. -2284. 228...\n",
" Recovery_date: 11-May-2009\n",
" ExtSensorInstalled: Yes\n",
" PCADPProbeBlankDistance: 0.2\n",
" id: 8544pcs-cal_z3\n",
" PressScale_2: 0.0\n",
" creator_phone: +1 (508) 548-8700\n",
" PressOffset: 0.0\n",
" FILL_FLAG: 1\n",
" PCADPProbeProfMaxVertVel: 0.22594388333333335\n",
" PCADPProbeProfMaxHorizVel: 0.8729801288148435\n",
" note: velocity data replaced with fillValue af...\n",
" PCADPUserSetupNcells: 22.0\n",
" PCADPUserSetupAvgInterval: 1.0\n",
" PCADPUserSetupBurstInterval: 3600.0\n",
" original_folder: DIAMONDSHOALS\n",
" publisher_email: emontgomery@usgs.gov\n",
" latitude: 35.17863\n",
" standard_name_vocabulary: CF-1.6\n",
" CompassInstalled: Yes\n",
" TempInstalled: Yes\n",
" DATA_SUBTYPE: \n",
" DESCRIPT: Sontek PCADP raw data burst file\n",
" nco_openmp_thread_number: 1\n",
" PressInstalled: No\n",
" SensorOrientation: down\n",
" PCADPProbeResMaxVertVel: 0.609689843915344\n",
" PCADPProbeNbeams: 3.0\n",
" WATER_DEPTH: 14.72184\n",
" dspSoftwareVerNum: 4.0\n",
" PCADPProbeNpingsPerBeam: 5.0\n",
" PCADPUserSetupProfilesPerBurst: 1050.0\n",
" DEPTH_CONST: 1\n",
" COORD_SYSTEM: GEOGRAPHICAL+PROFILE\n",
" keywords: Oceans > Ocean Pressure > Water Pressure...\n",
" COMPOSITE: 0\n",
" project_summary: This experiment was designed to investig...\n",
" stop_time: 17-Apr-2009 23:51:16\n",
" contributor_role: principalInvestigator\n",
" DATA_CMNT: Instrument failed on 4/17 in the storm t...\n",
" summary: USGS-CMG time-series data from the Cape ...\n",
" DELTA_T: 3600\n",
" publisher_url: http://www.usgs.gov\n",
" PCADPProbeSampInterval: 5.0\n",
" DATA_ORIGIN: USGS WHSC Sed Trans Group\n",
" longitude: -75.42292\n",
" title: USGS-CMG time-series data: DIAMONDSHOALS...\n",
" VAR_FILL: 1e+35\n",
" institution: USGS Coastal and Marine Geology Program\n",
" start_time: 12-Jan-2009 23:51:17\n",
" INST_TYPE: Sontek PCADP\n",
" PressFreqOffset: 21.0\n",
" CompassOffset: 0.0\n",
" magnetic_variation: -10.5\n",
" PCADPUserSetupPingInterval: 0.0\n",
" ProfilesPerBurst: 1050.0\n",
" publisher_name: Ellyn Montgomery\n",
" creator_name: Rich Signell\n",
" PCADPUserSetupProfileInterval: 1.0\n",
" WATER_MASS: ?\n",
" PCADPProbeHeight: 1.1\n",
" PCADPProbeSlantAngle: 15.0\n",
" keywords_vocabulary: GCMD Science Keywords\n",
" project_title: Cape Hatteras- Diamond Shoals\n",
" VAR_DESC: burst:u:v:w:USTD:VSTD:WSTD:u_min:v_min:w...\n",
" cpuSoftwareVerNum: 17.0\n",
" PROJECT: USGS Coastal Marine Geology Program\n",
" PressScale: 0.0\n",
" PCADPUserSetupCellSize: 0.063\n",
" MOORING: 854\n",
" naming_authority: gov.usgs.cmgp\n",
" original_filename: 8544pcs-cal.nc\n",
" Conventions: CF-1.6,ACDD-1.3\n",
" date_created: 2017-04-11T21:56:00Z\n",
" date_modified: 2017-04-11T21:56:00Z\n",
" date_issued: 2017-04-11T21:56:00Z\n",
" date_metadata_modified: 2017-04-11T21:56:00Z\n",
" cdm_data_type: Station\n",
" geospatial_lat_min: 35.17863\n",
" geospatial_lat_max: 35.17863\n",
" geospatial_lat_resolution: 0\n",
" geospatial_lat_units: degrees_north\n",
" geospatial_lon_min: -75.42292\n",
" geospatial_lon_max: -75.42292\n",
" geospatial_lon_resolution: 0\n",
" geospatial_lon_units: degrees_east\n",
" geospatial_bounds: POINT(-75.42292022705078 35.17863082885742)\n",
" geospatial_bounds_crs: EPSG:4326\n",
" time_coverage_start: 2009-01-12T23:51:17\n",
" time_coverage_end: 2009-04-17T18:51:16\n",
" time_coverage_duration: PT8189999S\n",
" time_coverage_resolution: PT3600S\n",
" geospatial_vertical_units: meters\n",
" geospatial_vertical_positive: up\n",
" featureType: timeSeries\n",
" geospatial_vertical_resolution: 0\n",
" geospatial_vertical_min: -12.9518\n",
" geospatial_vertical_max: -12.9518\n",
" ncei_template_version: NCEI_NetCDF_TimeSeries_Orthogonal_Templa...\n",
" history: Fri Nov 1 20:17:03 2019: ncatted -a pro...\n",
" project: U.S. Geological Survey Oceanographic Tim...\n",
" NCO: netCDF Operators version 4.8.1 (Homepage..."
]
},
"execution_count": 12,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ncfile = fsspec.open(f's3://esip-qhub/usgs/testing/8544pcs-cal_z3.nc')\n",
"ds = xr.open_dataset(ncfile.open())\n",
"ds"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Read NetCDF data from THREDDS OPeNDAP Service "
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [
{
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"\n",
".xr-obj-type {\n",
" color: var(--xr-font-color2);\n",
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"\n",
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"\n",
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"\n",
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"\n",
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"\n",
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"\n",
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"\n",
".xr-section-summary > span {\n",
" display: inline-block;\n",
" padding-left: 0.5em;\n",
"}\n",
"\n",
".xr-section-summary-in:disabled + label {\n",
" color: var(--xr-font-color2);\n",
"}\n",
"\n",
".xr-section-summary-in + label:before {\n",
" display: inline-block;\n",
" content: '►';\n",
" font-size: 11px;\n",
" width: 15px;\n",
" text-align: center;\n",
"}\n",
"\n",
".xr-section-summary-in:disabled + label:before {\n",
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"\n",
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"\n",
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" display: none;\n",
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"\n",
".xr-section-summary,\n",
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" padding-top: 4px;\n",
" padding-bottom: 4px;\n",
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"\n",
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"\n",
".xr-section-details {\n",
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"\n",
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"\n",
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"\n",
".xr-array-wrap > label {\n",
" grid-column: 1;\n",
" vertical-align: top;\n",
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"\n",
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"\n",
".xr-array-preview,\n",
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"\n",
".xr-array-data,\n",
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" display: none;\n",
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"\n",
".xr-array-in:checked ~ .xr-array-data,\n",
".xr-array-preview {\n",
" display: inline-block;\n",
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"\n",
".xr-dim-list {\n",
" display: inline-block !important;\n",
" list-style: none;\n",
" padding: 0 !important;\n",
" margin: 0;\n",
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"\n",
".xr-dim-list li {\n",
" display: inline-block;\n",
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"\n",
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"\n",
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"\n",
".xr-var-list,\n",
".xr-var-item {\n",
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"\n",
".xr-var-item > div,\n",
".xr-var-item label,\n",
".xr-var-item > .xr-var-name span {\n",
" background-color: var(--xr-background-color-row-even);\n",
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"\n",
".xr-var-item > .xr-var-name:hover span {\n",
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"\n",
".xr-var-list > li:nth-child(odd) > div,\n",
".xr-var-list > li:nth-child(odd) > label,\n",
".xr-var-list > li:nth-child(odd) > .xr-var-name span {\n",
" background-color: var(--xr-background-color-row-odd);\n",
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"\n",
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".xr-var-name:hover,\n",
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".xr-var-data {\n",
" display: none;\n",
" background-color: var(--xr-background-color) !important;\n",
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"\n",
".xr-var-attrs-in:checked ~ .xr-var-attrs,\n",
".xr-var-data-in:checked ~ .xr-var-data {\n",
" display: block;\n",
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"\n",
".xr-var-data > table {\n",
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".xr-var-name span,\n",
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"</style><pre class='xr-text-repr-fallback'>&lt;xarray.Dataset&gt;\n",
"Dimensions: (time: 27617)\n",
"Coordinates:\n",
" latitude float32 41.65\n",
" longitude float32 -70.69\n",
" * time (time) datetime64[ns] 1982-08-20T16:31:52 ... 1982...\n",
" z float64 -13.0\n",
"Data variables:\n",
" feature_type_instance |S64 b&#x27;2651-A&#x27;\n",
" crs int32 -2147483647\n",
" platform int32 -2147483647\n",
" NEP_56 (time) float32 0.2945 0.3092 0.3141 ... 2.096 2.096\n",
" P_4022 (time) float32 20.9 20.87 20.84 ... 21.08 21.05 21.03\n",
" P_4023 (time) float32 20.89 20.87 20.84 ... 21.05 21.03\n",
" SDP_850 (time) float32 0.03115 0.01675 ... 0.008073 0.00885\n",
" T_20 (time) float32 21.95 21.94 21.92 ... 12.72 12.72\n",
" V00_1900 (time) float32 2.133 2.206 2.338 ... 2.389 2.413\n",
" V01_1901 (time) float32 0.2555 0.2701 0.275 ... 2.155 2.106\n",
" V02_1902 (time) float32 2.802 3.13 2.93 ... 2.971 3.234 3.143\n",
" rtrn_4012 (time) float32 2.482 2.286 2.404 ... 2.228 2.279\n",
"Attributes:\n",
" creator_email: rsignell@usgs.gov\n",
" institution: USGS Coastal and Marine Geology Program\n",
" DATA_TYPE: TIME\n",
" DATA_SUBTYPE: \n",
" publisher_phone: +1 (508) 548-8700\n",
" DRIFTER: 0\n",
" creator_url: http://www.usgs.gov\n",
" project_title: Currents and Sediment Transport in Buzza...\n",
" DEPTH_CONST: 0\n",
" COORD_SYSTEM: GEOGRAPHICAL\n",
" keywords: Oceans &gt; Ocean Pressure &gt; Water Pressure...\n",
" COMPOSITE: 0\n",
" contributor_name: B. Butman\n",
" project_summary: Investigation of the near-bottom circula...\n",
" stop_time: 31-Oct-1982 14:31:52\n",
" contributor_role: principalInvestigator\n",
" DATA_CMNT: BUZZARDS BAY - A. SPEEDS DIED EARLY. TR...\n",
" cycles: 27617\n",
" summary: USGS-CMG time-series data from the Curre...\n",
" DELTA_T: 3.75 minutes\r",
"\\n\n",
" EXPERIMENT: ?\n",
" source: USGS\n",
" DATA_ORIGIN: USGS/WHFC\n",
" longitude: -70.68755\n",
" original_folder: BUZZ_BAY\n",
" WHOI_Buoy_Group_summary: 2651-A start time = 20 Aug 1982 ...\n",
" title: USGS-CMG time-series data: BUZZ_BAY - 26...\n",
" original_filename: 2651-A.cdf\n",
" VAR_FILL: \n",
" POS_CONST: 0\n",
" id: 2651-A\n",
" CREATION_DATE: 08:53 25-APR-97\n",
" creator_phone: +1 (508) 548-8700\n",
" start_time: 20-Aug-1982 16:31:52\n",
" INST_TYPE: \n",
" FILL_FLAG: 0\n",
" magnetic_variation%28deg%29: -15.0\n",
" days: 71\n",
" publisher_name: Ellyn Montgomery\n",
" creator_name: Rich Signell\n",
" publisher_email: emontgomery@usgs.gov\n",
" latitude: 41.65089\n",
" WATER_MASS: ?\n",
" standard_name_vocabulary: CF-1.6\n",
" WATER_DEPTH: 14\n",
" keywords_vocabulary: GCMD Science Keywords\n",
" DESCRIPT: ?\n",
" VAR_DESC: u v upper lower int.p pres psdev \n",
" PROJECT: ?\n",
" MOORING: 265\n",
" naming_authority: gov.usgs.cmgp\n",
" publisher_url: http://www.usgs.gov\n",
" Conventions: CF-1.6,ACDD-1.3\n",
" date_created: 2017-04-11T21:26:00Z\n",
" date_modified: 2017-04-11T21:26:00Z\n",
" date_issued: 2017-04-11T21:26:00Z\n",
" date_metadata_modified: 2017-04-11T21:26:00Z\n",
" geospatial_lat_min: 41.65089\n",
" geospatial_lat_max: 41.65089\n",
" geospatial_lat_resolution: 0\n",
" geospatial_lat_units: degrees_north\n",
" geospatial_lon_min: -70.68755\n",
" geospatial_lon_max: -70.68755\n",
" geospatial_lon_resolution: 0\n",
" geospatial_lon_units: degrees_east\n",
" geospatial_bounds: POINT(-70.68755340576172 41.6508903503418)\n",
" geospatial_bounds_crs: EPSG:4326\n",
" time_coverage_start: 1982-08-20T16:31:52\n",
" time_coverage_end: 1982-10-31T14:31:52\n",
" time_coverage_duration: PT6213600S\n",
" geospatial_vertical_units: meters\n",
" geospatial_vertical_positive: up\n",
" featureType: timeSeries\n",
" geospatial_vertical_resolution: 0\n",
" geospatial_vertical_min: -13.0\n",
" geospatial_vertical_max: -13.0\n",
" cdm_data_type: TimeSeries\n",
" cdm_timeseries_variables: latitude,longitude,z,feature_type_instance\n",
" ncei_template_version: NCEI_NetCDF_TimeSeries_Orthogonal_Templa...\n",
" history: Fri Nov 1 20:15:19 2019: ncatted -a pro...\n",
" project: U.S. Geological Survey Oceanographic Tim...\n",
" NCO: netCDF Operators version 4.8.1 (Homepage...\n",
" DODS.strlen: 6\n",
" DODS.dimName: feature_type_instance</pre><div class='xr-wrap' hidden><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-b4bb5a77-4ef6-4481-bee2-5f98d1e0c9c1' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-b4bb5a77-4ef6-4481-bee2-5f98d1e0c9c1' class='xr-section-summary' title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>time</span>: 27617</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-2df3c95d-1879-45c0-8a1e-db9951c5cd67' class='xr-section-summary-in' type='checkbox' checked><label for='section-2df3c95d-1879-45c0-8a1e-db9951c5cd67' class='xr-section-summary' >Coordinates: <span>(4)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>latitude</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-92b13126-e5ee-4922-b329-65840b5cedc2' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-92b13126-e5ee-4922-b329-65840b5cedc2' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-006f0ac0-05aa-4af0-8364-a42c8ab548fc' class='xr-var-data-in' type='checkbox'><label for='data-006f0ac0-05aa-4af0-8364-a42c8ab548fc' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_north</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>long_name :</span></dt><dd>sensor latitude</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>valid_min :</span></dt><dd>41.65089</dd><dt><span>valid_max :</span></dt><dd>41.65089</dd></dl></div><div class='xr-var-data'><pre>array(41.65089, dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>longitude</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-1d2398ef-df98-4cfc-8af5-771ad5599001' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-1d2398ef-df98-4cfc-8af5-771ad5599001' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4b49044f-8d45-4ac3-9874-0865a9448157' class='xr-var-data-in' type='checkbox'><label for='data-4b49044f-8d45-4ac3-9874-0865a9448157' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degrees_east</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>long_name :</span></dt><dd>sensor longitude</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>valid_min :</span></dt><dd>-70.68755</dd><dt><span>valid_max :</span></dt><dd>-70.68755</dd></dl></div><div class='xr-var-data'><pre>array(-70.68755, dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>1982-08-20T16:31:52 ... 1982-10-...</div><input id='attrs-a035f034-a5d6-42e9-a9dc-cd9bb54f97a6' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-a035f034-a5d6-42e9-a9dc-cd9bb54f97a6' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-94ad876e-d6d6-4b3b-bb0e-0ff3f720ed35' class='xr-var-data-in' type='checkbox'><label for='data-94ad876e-d6d6-4b3b-bb0e-0ff3f720ed35' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>long_name :</span></dt><dd>time of measurement</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([&#x27;1982-08-20T16:31:52.000000000&#x27;, &#x27;1982-08-20T16:35:37.000000000&#x27;,\n",
" &#x27;1982-08-20T16:39:22.000000000&#x27;, ..., &#x27;1982-10-31T14:24:22.000000000&#x27;,\n",
" &#x27;1982-10-31T14:28:07.000000000&#x27;, &#x27;1982-10-31T14:31:52.000000000&#x27;],\n",
" dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>z</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-7ce7c321-a758-4948-ae98-0b968d32ae78' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-7ce7c321-a758-4948-ae98-0b968d32ae78' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-a2d30d9e-0e41-4594-ae09-4b860f4fa9f5' class='xr-var-data-in' type='checkbox'><label for='data-a2d30d9e-0e41-4594-ae09-4b860f4fa9f5' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>valid_min :</span></dt><dd>-13.0</dd><dt><span>valid_max :</span></dt><dd>-13.0</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>long_name :</span></dt><dd>z of the sensor relative to the water surface</dd><dt><span>standard_name :</span></dt><dd>height</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>units :</span></dt><dd>m</dd><dt><span>axis :</span></dt><dd>Z</dd></dl></div><div class='xr-var-data'><pre>array(-13.)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-efd1719d-71fc-41f1-890c-dea042e5230c' class='xr-section-summary-in' type='checkbox' checked><label for='section-efd1719d-71fc-41f1-890c-dea042e5230c' class='xr-section-summary' >Data variables: <span>(12)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>feature_type_instance</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>|S64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-c4f99a58-14d8-434c-9edd-7625f1db4239' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-c4f99a58-14d8-434c-9edd-7625f1db4239' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4051ca9a-fa06-4247-a0a5-0ca8d6bc2cc3' class='xr-var-data-in' type='checkbox'><label for='data-4051ca9a-fa06-4247-a0a5-0ca8d6bc2cc3' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>cf_role :</span></dt><dd>timeseries_id</dd><dt><span>long_name :</span></dt><dd>Identifier for each feature type instance</dd></dl></div><div class='xr-var-data'><pre>array(b&#x27;2651-A&#x27;, dtype=&#x27;|S64&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>crs</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-f4c43b80-3c4e-4c6f-82d0-12b9fcd8781f' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-f4c43b80-3c4e-4c6f-82d0-12b9fcd8781f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-05d4b87a-eb38-4f06-8001-7ebda3b19f40' class='xr-var-data-in' type='checkbox'><label for='data-05d4b87a-eb38-4f06-8001-7ebda3b19f40' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>long_name :</span></dt><dd>http://www.opengis.net/def/crs/EPSG/0/4326</dd><dt><span>grid_mapping_name :</span></dt><dd>latitude_longitude</dd><dt><span>epsg_code :</span></dt><dd>EPSG:4326</dd><dt><span>semi_major_axis :</span></dt><dd>6378137.0</dd><dt><span>inverse_flattening :</span></dt><dd>298.257223563</dd></dl></div><div class='xr-var-data'><pre>array(-2147483647, dtype=int32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>platform</span></div><div class='xr-var-dims'>()</div><div class='xr-var-dtype'>int32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-b9f70c55-4050-4546-997e-96dc149b33e5' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-b9f70c55-4050-4546-997e-96dc149b33e5' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-fa9381b2-3a3a-4cd8-9a76-c8492fdf116f' class='xr-var-data-in' type='checkbox'><label for='data-fa9381b2-3a3a-4cd8-9a76-c8492fdf116f' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>type :</span></dt><dd>fixed</dd><dt><span>nodc_name :</span></dt><dd>FIXED PLATFORM, MOORINGS</dd><dt><span>definition :</span></dt><dd>http://mmisw.org/ont/ioos/definition/stationID</dd><dt><span>short_name :</span></dt><dd>USGS-CMG time-series data: BUZZ_BAY - 265 - 2651-A</dd><dt><span>long_name :</span></dt><dd>USGS-CMG time-series data from the Currents and Sediment Transport in Buzzards Bay project, mooring 265 and package 2651-A. Investigation of the near-bottom circulation in Buzzards Bay and consequent transport of fine-grained sediments that may be contaminated with PCBs from inner New Bedford Harbor.</dd><dt><span>ioos_code :</span></dt><dd>2651-A</dd></dl></div><div class='xr-var-data'><pre>array(-2147483647, dtype=int32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>NEP_56</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-99304869-16f3-499a-99a0-8db167ec23aa' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-99304869-16f3-499a-99a0-8db167ec23aa' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-1c6c5b90-7f58-4ff5-a723-55746330d586' class='xr-var-data-in' type='checkbox'><label for='data-1c6c5b90-7f58-4ff5-a723-55746330d586' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>v</dd><dt><span>standard_name :</span></dt><dd>backscatter_intensity</dd><dt><span>sensor_depth :</span></dt><dd>13.0</dd><dt><span>actual_min :</span></dt><dd>0.27744</dd><dt><span>long_name :</span></dt><dd>Backscatter Intensity</dd><dt><span>code :</span></dt><dd>R</dd><dt><span>generic_name :</span></dt><dd>nephylometer</dd><dt><span>epic_code :</span></dt><dd>56</dd><dt><span>FORTRAN_format :</span></dt><dd>f10.6</dd><dt><span>serial_number :</span></dt><dd></dd><dt><span>actual_max :</span></dt><dd>4.99589</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([0.29453, 0.30918, 0.31406, ..., 2.14481, 2.09599, 2.09599],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>P_4022</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-6df156b3-f841-42d7-934d-5eb3bb84b802' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-6df156b3-f841-42d7-934d-5eb3bb84b802' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4bbb7bd9-11fb-4542-bd2e-303db7697e91' class='xr-var-data-in' type='checkbox'><label for='data-4bbb7bd9-11fb-4542-bd2e-303db7697e91' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>dbar</dd><dt><span>standard_name :</span></dt><dd>sea_water_pressure</dd><dt><span>sensor_depth :</span></dt><dd>13.0</dd><dt><span>actual_min :</span></dt><dd>2018.08</dd><dt><span>long_name :</span></dt><dd>Sea Water Pressure (interval)</dd><dt><span>code :</span></dt><dd>R</dd><dt><span>generic_name :</span></dt><dd>pres</dd><dt><span>epic_code :</span></dt><dd>4022</dd><dt><span>FORTRAN_format :</span></dt><dd>f10.3</dd><dt><span>serial_number :</span></dt><dd></dd><dt><span>actual_max :</span></dt><dd>2204.91</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([20.901299, 20.8741 , 20.8445 , ..., 21.0789 , 21.051699, 21.0294 ],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>P_4023</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-fdaebc95-dbc9-4d8d-9caf-e68c40c476fe' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-fdaebc95-dbc9-4d8d-9caf-e68c40c476fe' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-3e1dd822-97fa-40f2-8e8b-5f62b3974d5e' class='xr-var-data-in' type='checkbox'><label for='data-3e1dd822-97fa-40f2-8e8b-5f62b3974d5e' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>dbar</dd><dt><span>standard_name :</span></dt><dd>sea_water_pressure</dd><dt><span>sensor_depth :</span></dt><dd>13.0</dd><dt><span>actual_min :</span></dt><dd>2017.96</dd><dt><span>long_name :</span></dt><dd>Sea Water Pressure (average over burst)</dd><dt><span>code :</span></dt><dd>R</dd><dt><span>generic_name :</span></dt><dd>pres</dd><dt><span>epic_code :</span></dt><dd>4023</dd><dt><span>FORTRAN_format :</span></dt><dd>f10.3</dd><dt><span>serial_number :</span></dt><dd></dd><dt><span>actual_max :</span></dt><dd>2204.96</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([20.8921, 20.8704, 20.8371, ..., 21.0746, 21.0478, 21.0261],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>SDP_850</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-fd5408fa-152c-4878-9be8-5137a8e43c6c' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-fd5408fa-152c-4878-9be8-5137a8e43c6c' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-f43d524c-8c61-418c-8eab-901c7f93dd97' class='xr-var-data-in' type='checkbox'><label for='data-f43d524c-8c61-418c-8eab-901c7f93dd97' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>dbar</dd><dt><span>cell_methods :</span></dt><dd>time: standard_deviation</dd><dt><span>standard_name :</span></dt><dd>sea_water_pressure</dd><dt><span>sensor_depth :</span></dt><dd>13.0</dd><dt><span>actual_min :</span></dt><dd>0.0</dd><dt><span>long_name :</span></dt><dd>Sea Water Pressure (standard deviation)</dd><dt><span>code :</span></dt><dd>R</dd><dt><span>generic_name :</span></dt><dd>pres</dd><dt><span>epic_code :</span></dt><dd>850</dd><dt><span>FORTRAN_format :</span></dt><dd>f10.5</dd><dt><span>serial_number :</span></dt><dd></dd><dt><span>actual_max :</span></dt><dd>10.3699</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([0.031155, 0.016747, 0.027254, ..., 0.008755, 0.008073, 0.00885 ],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>T_20</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-530b13a8-40d9-4224-ad2c-a83081577321' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-530b13a8-40d9-4224-ad2c-a83081577321' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-88abbc09-4b04-4a7c-8c70-5e2928676f93' class='xr-var-data-in' type='checkbox'><label for='data-88abbc09-4b04-4a7c-8c70-5e2928676f93' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>degree_Celsius</dd><dt><span>standard_name :</span></dt><dd>sea_water_temperature</dd><dt><span>sensor_depth :</span></dt><dd>13.0</dd><dt><span>actual_min :</span></dt><dd>12.4358</dd><dt><span>long_name :</span></dt><dd>Water Temperature</dd><dt><span>code :</span></dt><dd>R</dd><dt><span>generic_name :</span></dt><dd>temp</dd><dt><span>epic_code :</span></dt><dd>20</dd><dt><span>FORTRAN_format :</span></dt><dd>f10.2</dd><dt><span>serial_number :</span></dt><dd></dd><dt><span>actual_max :</span></dt><dd>21.9539</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([21.953888, 21.936493, 21.919098, ..., 12.74231 , 12.723206, 12.723206],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>V00_1900</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-ff72a886-999f-49ae-bb3b-ae3c51f49c61' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-ff72a886-999f-49ae-bb3b-ae3c51f49c61' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c03a53d9-36a2-46bb-8f45-6544aa352e4c' class='xr-var-data-in' type='checkbox'><label for='data-c03a53d9-36a2-46bb-8f45-6544aa352e4c' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>original_name :</span></dt><dd>transoff</dd><dt><span>units :</span></dt><dd> </dd><dt><span>sensor_depth :</span></dt><dd>13.0</dd><dt><span>actual_min :</span></dt><dd>-0.20344</dd><dt><span>long_name :</span></dt><dd>VARIABLE 0 </dd><dt><span>code :</span></dt><dd>R</dd><dt><span>generic_name :</span></dt><dd> </dd><dt><span>epic_code :</span></dt><dd>1900</dd><dt><span>FORTRAN_format :</span></dt><dd> </dd><dt><span>serial_number :</span></dt><dd></dd><dt><span>actual_max :</span></dt><dd>4.99589</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([2.1326 , 2.20583, 2.33765, ..., 2.15945, 2.38891, 2.41332],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>V01_1901</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-4a377f00-bfbc-433a-a488-5e376aaa5be4' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-4a377f00-bfbc-433a-a488-5e376aaa5be4' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-3f0a02f1-6a9d-43f6-b094-16bfede3de4d' class='xr-var-data-in' type='checkbox'><label for='data-3f0a02f1-6a9d-43f6-b094-16bfede3de4d' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>original_name :</span></dt><dd>nephoff</dd><dt><span>units :</span></dt><dd> </dd><dt><span>sensor_depth :</span></dt><dd>13.0</dd><dt><span>actual_min :</span></dt><dd>0.24083</dd><dt><span>long_name :</span></dt><dd>VARIABLE 1 </dd><dt><span>code :</span></dt><dd>R</dd><dt><span>generic_name :</span></dt><dd> </dd><dt><span>epic_code :</span></dt><dd>1901</dd><dt><span>FORTRAN_format :</span></dt><dd> </dd><dt><span>serial_number :</span></dt><dd></dd><dt><span>actual_max :</span></dt><dd>4.99589</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([0.25547, 0.27012, 0.275 , ..., 2.10087, 2.15457, 2.10575],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>V02_1902</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-69abe827-ac03-4017-a4b8-129afad97e2b' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-69abe827-ac03-4017-a4b8-129afad97e2b' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-fc209cb1-9795-4d84-be93-2ab1246dde14' class='xr-var-data-in' type='checkbox'><label for='data-fc209cb1-9795-4d84-be93-2ab1246dde14' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd> </dd><dt><span>sensor_depth :</span></dt><dd>13.0</dd><dt><span>actual_min :</span></dt><dd>0.00329</dd><dt><span>long_name :</span></dt><dd>VARIABLE 2 </dd><dt><span>code :</span></dt><dd>R</dd><dt><span>generic_name :</span></dt><dd> </dd><dt><span>epic_code :</span></dt><dd>1902</dd><dt><span>FORTRAN_format :</span></dt><dd> </dd><dt><span>actual_max :</span></dt><dd>24.8584</dd><dt><span>serial_number :</span></dt><dd></dd><dt><span>old_name :</span></dt><dd>ext_coef</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([2.80203, 3.12986, 2.92996, ..., 2.97079, 3.23369, 3.1427 ],\n",
" dtype=float32)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>rtrn_4012</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-717ee830-cf40-455a-9d37-a7965923fabb' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-717ee830-cf40-455a-9d37-a7965923fabb' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-de709059-25a5-45ce-8faf-3dcde4e59c70' class='xr-var-data-in' type='checkbox'><label for='data-de709059-25a5-45ce-8faf-3dcde4e59c70' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>units :</span></dt><dd>counts</dd><dt><span>sensor_depth :</span></dt><dd>13.0</dd><dt><span>actual_min :</span></dt><dd>-0.00083</dd><dt><span>long_name :</span></dt><dd>RAW TRANSMISSOMETER VOLTS</dd><dt><span>code :</span></dt><dd>R</dd><dt><span>generic_name :</span></dt><dd>trans</dd><dt><span>epic_code :</span></dt><dd>4012</dd><dt><span>FORTRAN_format :</span></dt><dd>i10</dd><dt><span>serial_number :</span></dt><dd></dd><dt><span>actual_max :</span></dt><dd>4.99589</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>_ChunkSizes :</span></dt><dd>1000</dd></dl></div><div class='xr-var-data'><pre>array([2.48166, 2.28639, 2.40355, ..., 2.37914, 2.2278 , 2.27906],\n",
" dtype=float32)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-b2d478d3-1ad2-499f-9c80-0cefe85177f9' class='xr-section-summary-in' type='checkbox' ><label for='section-b2d478d3-1ad2-499f-9c80-0cefe85177f9' class='xr-section-summary' >Attributes: <span>(84)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>creator_email :</span></dt><dd>rsignell@usgs.gov</dd><dt><span>institution :</span></dt><dd>USGS Coastal and Marine Geology Program</dd><dt><span>DATA_TYPE :</span></dt><dd>TIME</dd><dt><span>DATA_SUBTYPE :</span></dt><dd></dd><dt><span>publisher_phone :</span></dt><dd>+1 (508) 548-8700</dd><dt><span>DRIFTER :</span></dt><dd>0</dd><dt><span>creator_url :</span></dt><dd>http://www.usgs.gov</dd><dt><span>project_title :</span></dt><dd>Currents and Sediment Transport in Buzzards Bay</dd><dt><span>DEPTH_CONST :</span></dt><dd>0</dd><dt><span>COORD_SYSTEM :</span></dt><dd>GEOGRAPHICAL</dd><dt><span>keywords :</span></dt><dd>Oceans &gt; Ocean Pressure &gt; Water Pressure, Oceans &gt; Ocean Temperature &gt; Water Temperature, Oceans &gt; Salinity/Density &gt; Conductivity, Oceans &gt; Salinity/Density &gt; Salinity</dd><dt><span>COMPOSITE :</span></dt><dd>0</dd><dt><span>contributor_name :</span></dt><dd>B. Butman</dd><dt><span>project_summary :</span></dt><dd>Investigation of the near-bottom circulation in Buzzards Bay and consequent transport of fine-grained sediments that may be contaminated with PCBs from inner New Bedford Harbor.</dd><dt><span>stop_time :</span></dt><dd>31-Oct-1982 14:31:52</dd><dt><span>contributor_role :</span></dt><dd>principalInvestigator</dd><dt><span>DATA_CMNT :</span></dt><dd> BUZZARDS BAY - A. SPEEDS DIED EARLY. TRANSON&lt;.01=.01 FOR EXT_COEF.\r\n",
"</dd><dt><span>cycles :</span></dt><dd>27617</dd><dt><span>summary :</span></dt><dd>USGS-CMG time-series data from the Currents and Sediment Transport in Buzzards Bay project, mooring 265 and package 2651-A. Investigation of the near-bottom circulation in Buzzards Bay and consequent transport of fine-grained sediments that may be contaminated with PCBs from inner New Bedford Harbor.</dd><dt><span>DELTA_T :</span></dt><dd>3.75 minutes\r\n",
"</dd><dt><span>EXPERIMENT :</span></dt><dd>?</dd><dt><span>source :</span></dt><dd>USGS</dd><dt><span>DATA_ORIGIN :</span></dt><dd>USGS/WHFC</dd><dt><span>longitude :</span></dt><dd>-70.68755</dd><dt><span>original_folder :</span></dt><dd>BUZZ_BAY</dd><dt><span>WHOI_Buoy_Group_summary :</span></dt><dd>2651-A start time = 20 Aug 1982 11:31:52 cycles = 27617\n",
" stop time = 31 Oct 1982 09:31:52 # days = 71\n",
"Expt. = &#x27;USGS&#x27; sampling interval = 3.75 minutes\n",
"Lat = 41.650890\n",
"Lon = -70.687553 File created: 10:01 SEP 1,&#x27;87\n",
"depth = 14m Mag.var = -15.000000\n",
"# Variable Units Codes Depth Inst. Minimum Maximum\n",
"-- ------------ ------------ ----- ------- ------ --------- ---------\n",
" 1 TIME SECONDS T \n",
" 2 TEMPERATURE DEG.CELC R 13.00 12.436 21.954\n",
" 3 PRESSURE-I MILLIBARS R 13.00 2018.077 2204.906\n",
" 4 PRESSURE-B MILLIBARS R 13.00 2017.956 2204.963\n",
" 5 PSDEV R 13.00 0.000 10.370\n",
" 6 TRANSON VOLTS R 13.00 -0.001 4.996\n",
" 7 EXT_COEF R 13.00 0.003 24.858\n",
" 8 TRANSOFF VOLTS R 13.00 -0.203 4.996\n",
" 9 NEPHON VOLTS R 13.00 0.277 4.996\n",
"10 NEPHOFF VOLTS R 13.00 0.241 4.996\n",
"---------------------------------------------------------------------\n",
" Comments: MATHOP\n",
" BUZZARDS BAY VARIABLES LISTED IN ORDER SHOWN ABOVE\n",
"</dd><dt><span>title :</span></dt><dd>USGS-CMG time-series data: BUZZ_BAY - 265 - 2651-A</dd><dt><span>original_filename :</span></dt><dd>2651-A.cdf</dd><dt><span>VAR_FILL :</span></dt><dd></dd><dt><span>POS_CONST :</span></dt><dd>0</dd><dt><span>id :</span></dt><dd>2651-A</dd><dt><span>CREATION_DATE :</span></dt><dd>08:53 25-APR-97</dd><dt><span>creator_phone :</span></dt><dd>+1 (508) 548-8700</dd><dt><span>start_time :</span></dt><dd>20-Aug-1982 16:31:52</dd><dt><span>INST_TYPE :</span></dt><dd></dd><dt><span>FILL_FLAG :</span></dt><dd>0</dd><dt><span>magnetic_variation%28deg%29 :</span></dt><dd>-15.0</dd><dt><span>days :</span></dt><dd>71</dd><dt><span>publisher_name :</span></dt><dd>Ellyn Montgomery</dd><dt><span>creator_name :</span></dt><dd>Rich Signell</dd><dt><span>publisher_email :</span></dt><dd>emontgomery@usgs.gov</dd><dt><span>latitude :</span></dt><dd>41.65089</dd><dt><span>WATER_MASS :</span></dt><dd>?</dd><dt><span>standard_name_vocabulary :</span></dt><dd>CF-1.6</dd><dt><span>WATER_DEPTH :</span></dt><dd>14</dd><dt><span>keywords_vocabulary :</span></dt><dd>GCMD Science Keywords</dd><dt><span>DESCRIPT :</span></dt><dd>?</dd><dt><span>VAR_DESC :</span></dt><dd>u v upper lower int.p pres psdev </dd><dt><span>PROJECT :</span></dt><dd>?</dd><dt><span>MOORING :</span></dt><dd>265</dd><dt><span>naming_authority :</span></dt><dd>gov.usgs.cmgp</dd><dt><span>publisher_url :</span></dt><dd>http://www.usgs.gov</dd><dt><span>Conventions :</span></dt><dd>CF-1.6,ACDD-1.3</dd><dt><span>date_created :</span></dt><dd>2017-04-11T21:26:00Z</dd><dt><span>date_modified :</span></dt><dd>2017-04-11T21:26:00Z</dd><dt><span>date_issued :</span></dt><dd>2017-04-11T21:26:00Z</dd><dt><span>date_metadata_modified :</span></dt><dd>2017-04-11T21:26:00Z</dd><dt><span>geospatial_lat_min :</span></dt><dd>41.65089</dd><dt><span>geospatial_lat_max :</span></dt><dd>41.65089</dd><dt><span>geospatial_lat_resolution :</span></dt><dd>0</dd><dt><span>geospatial_lat_units :</span></dt><dd>degrees_north</dd><dt><span>geospatial_lon_min :</span></dt><dd>-70.68755</dd><dt><span>geospatial_lon_max :</span></dt><dd>-70.68755</dd><dt><span>geospatial_lon_resolution :</span></dt><dd>0</dd><dt><span>geospatial_lon_units :</span></dt><dd>degrees_east</dd><dt><span>geospatial_bounds :</span></dt><dd>POINT(-70.68755340576172 41.6508903503418)</dd><dt><span>geospatial_bounds_crs :</span></dt><dd>EPSG:4326</dd><dt><span>time_coverage_start :</span></dt><dd>1982-08-20T16:31:52</dd><dt><span>time_coverage_end :</span></dt><dd>1982-10-31T14:31:52</dd><dt><span>time_coverage_duration :</span></dt><dd>PT6213600S</dd><dt><span>geospatial_vertical_units :</span></dt><dd>meters</dd><dt><span>geospatial_vertical_positive :</span></dt><dd>up</dd><dt><span>featureType :</span></dt><dd>timeSeries</dd><dt><span>geospatial_vertical_resolution :</span></dt><dd>0</dd><dt><span>geospatial_vertical_min :</span></dt><dd>-13.0</dd><dt><span>geospatial_vertical_max :</span></dt><dd>-13.0</dd><dt><span>cdm_data_type :</span></dt><dd>TimeSeries</dd><dt><span>cdm_timeseries_variables :</span></dt><dd>latitude,longitude,z,feature_type_instance</dd><dt><span>ncei_template_version :</span></dt><dd>NCEI_NetCDF_TimeSeries_Orthogonal_Template_v2.0</dd><dt><span>history :</span></dt><dd>Fri Nov 1 20:15:19 2019: ncatted -a project,global,a,c,, CMG_Portal BUZZ_BAY/2651-A.cdf\n",
"Original file creation date was 10:01 SEP 1,&#x27;87\r\n",
"Converted to EPIC/NetCDF Fri Dec 6 14:18:29 1996\n",
"\n",
"Original ascii file was a2651x01.ascChanged epic code 20 to 20 on Thu Apr 24 18:16:11 1997\n",
"Changed epic code 4026 to 4022 on Thu Apr 24 18:16:11 1997\n",
"Changed epic code 4027 to 4023 on Thu Apr 24 18:16:11 1997\n",
"Changed epic code 4025 to 850 on Thu Apr 24 18:16:11 1997\n",
"Changed epic code 4530 to 4012 on Thu Apr 24 18:16:11 1997\n",
"Changed epic code 6007 to 1902 on Thu Apr 24 18:16:11 1997\n",
"\n",
"2017-04-11T21:26:00Z - pyaxiom - File created using pyaxiom</dd><dt><span>project :</span></dt><dd>U.S. Geological Survey Oceanographic Time-Series Data, CMG_Portal</dd><dt><span>NCO :</span></dt><dd>netCDF Operators version 4.8.1 (Homepage = http://nco.sf.net, Code = http://github.com/nco/nco)</dd><dt><span>DODS.strlen :</span></dt><dd>6</dd><dt><span>DODS.dimName :</span></dt><dd>feature_type_instance</dd></dl></div></li></ul></div></div>"
],
"text/plain": [
"<xarray.Dataset>\n",
"Dimensions: (time: 27617)\n",
"Coordinates:\n",
" latitude float32 ...\n",
" longitude float32 ...\n",
" * time (time) datetime64[ns] 1982-08-20T16:31:52 ... 1982...\n",
" z float32 ...\n",
"Data variables:\n",
" feature_type_instance |S64 ...\n",
" crs int32 ...\n",
" platform int32 ...\n",
" NEP_56 (time) float32 ...\n",
" P_4022 (time) float32 ...\n",
" P_4023 (time) float32 ...\n",
" SDP_850 (time) float32 ...\n",
" T_20 (time) float32 ...\n",
" V00_1900 (time) float32 ...\n",
" V01_1901 (time) float32 ...\n",
" V02_1902 (time) float32 ...\n",
" rtrn_4012 (time) float32 ...\n",
"Attributes:\n",
" creator_email: rsignell@usgs.gov\n",
" institution: USGS Coastal and Marine Geology Program\n",
" DATA_TYPE: TIME\n",
" DATA_SUBTYPE: \n",
" publisher_phone: +1 (508) 548-8700\n",
" DRIFTER: 0\n",
" creator_url: http://www.usgs.gov\n",
" project_title: Currents and Sediment Transport in Buzza...\n",
" DEPTH_CONST: 0\n",
" COORD_SYSTEM: GEOGRAPHICAL\n",
" keywords: Oceans > Ocean Pressure > Water Pressure...\n",
" COMPOSITE: 0\n",
" contributor_name: B. Butman\n",
" project_summary: Investigation of the near-bottom circula...\n",
" stop_time: 31-Oct-1982 14:31:52\n",
" contributor_role: principalInvestigator\n",
" DATA_CMNT: BUZZARDS BAY - A. SPEEDS DIED EARLY. TR...\n",
" cycles: 27617\n",
" summary: USGS-CMG time-series data from the Curre...\n",
" DELTA_T: 3.75 minutes\n",
"\\n\n",
" EXPERIMENT: ?\n",
" source: USGS\n",
" DATA_ORIGIN: USGS/WHFC\n",
" longitude: -70.68755\n",
" original_folder: BUZZ_BAY\n",
" WHOI_Buoy_Group_summary: 2651-A start time = 20 Aug 1982 ...\n",
" title: USGS-CMG time-series data: BUZZ_BAY - 26...\n",
" original_filename: 2651-A.cdf\n",
" VAR_FILL: \n",
" POS_CONST: 0\n",
" id: 2651-A\n",
" CREATION_DATE: 08:53 25-APR-97\n",
" creator_phone: +1 (508) 548-8700\n",
" start_time: 20-Aug-1982 16:31:52\n",
" INST_TYPE: \n",
" FILL_FLAG: 0\n",
" magnetic_variation%28deg%29: -15.0\n",
" days: 71\n",
" publisher_name: Ellyn Montgomery\n",
" creator_name: Rich Signell\n",
" publisher_email: emontgomery@usgs.gov\n",
" latitude: 41.65089\n",
" WATER_MASS: ?\n",
" standard_name_vocabulary: CF-1.6\n",
" WATER_DEPTH: 14\n",
" keywords_vocabulary: GCMD Science Keywords\n",
" DESCRIPT: ?\n",
" VAR_DESC: u v upper lower int.p pres psdev \n",
" PROJECT: ?\n",
" MOORING: 265\n",
" naming_authority: gov.usgs.cmgp\n",
" publisher_url: http://www.usgs.gov\n",
" Conventions: CF-1.6,ACDD-1.3\n",
" date_created: 2017-04-11T21:26:00Z\n",
" date_modified: 2017-04-11T21:26:00Z\n",
" date_issued: 2017-04-11T21:26:00Z\n",
" date_metadata_modified: 2017-04-11T21:26:00Z\n",
" geospatial_lat_min: 41.65089\n",
" geospatial_lat_max: 41.65089\n",
" geospatial_lat_resolution: 0\n",
" geospatial_lat_units: degrees_north\n",
" geospatial_lon_min: -70.68755\n",
" geospatial_lon_max: -70.68755\n",
" geospatial_lon_resolution: 0\n",
" geospatial_lon_units: degrees_east\n",
" geospatial_bounds: POINT(-70.68755340576172 41.6508903503418)\n",
" geospatial_bounds_crs: EPSG:4326\n",
" time_coverage_start: 1982-08-20T16:31:52\n",
" time_coverage_end: 1982-10-31T14:31:52\n",
" time_coverage_duration: PT6213600S\n",
" geospatial_vertical_units: meters\n",
" geospatial_vertical_positive: up\n",
" featureType: timeSeries\n",
" geospatial_vertical_resolution: 0\n",
" geospatial_vertical_min: -13.0\n",
" geospatial_vertical_max: -13.0\n",
" cdm_data_type: TimeSeries\n",
" cdm_timeseries_variables: latitude,longitude,z,feature_type_instance\n",
" ncei_template_version: NCEI_NetCDF_TimeSeries_Orthogonal_Templa...\n",
" history: Fri Nov 1 20:15:19 2019: ncatted -a pro...\n",
" project: U.S. Geological Survey Oceanographic Tim...\n",
" NCO: netCDF Operators version 4.8.1 (Homepage...\n",
" DODS.strlen: 6\n",
" DODS.dimName: feature_type_instance"
]
},
"execution_count": 13,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ds = xr.open_dataset('http://geoport.usgs.esipfed.org/thredds/dodsC/silt/usgs/Projects/stellwagen/CF-1.6/BUZZ_BAY/2651-A.cdf')\n",
"ds"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Read NetCDF data from ERDDAP's Tabledap Service"
]
},
{
"cell_type": "code",
"execution_count": 14,
"metadata": {},
"outputs": [
{
"data": {
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"</style><pre class='xr-text-repr-fallback'>&lt;xarray.Dataset&gt;\n",
"Dimensions: (s: 27617)\n",
"Dimensions without coordinates: s\n",
"Data variables:\n",
" s.time (s) datetime64[ns] ...\n",
" s.latitude (s) float64 41.6...\n",
" s.longitude (s) float64 -70....\n",
" s.z (s) float64 -13....\n",
" s.backscatter_intensity_2651_a (s) float64 2.09...\n",
" s.sea_water_velocity_to_direction_2651ds_a (s) float64 nan ...\n",
" s.sea_water_speed_2651ds_a (s) float64 nan ...\n",
" s.eastward_sea_water_velocity_2651ds_a (s) float64 nan ...\n",
" s.northward_sea_water_velocity_2651ds_a (s) float64 nan ...\n",
" s.sea_water_pressure_cm_time__standard_deviation_2651_a (s) float64 0.00...\n",
" s.sea_water_pressure_2651_a (s) float64 21.0...\n",
" s.sea_water_temperature_2651_a (s) float64 12.7...\n",
" s.station (s) |S64 b&#x27;BUZZ_...\n",
"Attributes:\n",
" cdm_altitude_proxy: z\n",
" cdm_data_type: TimeSeriesProfile\n",
" cdm_profile_variables: time\n",
" cdm_timeseries_variables: station,longitude,latitude\n",
" contributor_email: None,feedback@axiomdatascience.com\n",
" contributor_name: Mid-Atlantic Coastal Ocean Observing Syste...\n",
" contributor_role: funder,processor\n",
" contributor_role_vocabulary: NERC\n",
" contributor_url: https://maracoos.org/,https://www.axiomdat...\n",
" Conventions: IOOS-1.2, CF-1.6, ACDD-1.3, NCCSV-1.0\n",
" creator_country: USA\n",
" creator_institution: USGS Coastal and Marine Geology Program (U...\n",
" creator_name: USGS Coastal and Marine Geology Program (U...\n",
" creator_sector: gov_federal\n",
" creator_type: institution\n",
" creator_url: http://marine.usgs.gov/\n",
" defaultDataQuery: sea_water_speed_2651ds_a,backscatter_inten...\n",
" Easternmost_Easting: -70.68755340576172\n",
" featureType: TimeSeriesProfile\n",
" geospatial_lat_max: 41.6508903503418\n",
" geospatial_lat_min: 41.6508903503418\n",
" geospatial_lat_units: degrees_north\n",
" geospatial_lon_max: -70.68755340576172\n",
" geospatial_lon_min: -70.68755340576172\n",
" geospatial_lon_units: degrees_east\n",
" geospatial_vertical_max: 13.0\n",
" geospatial_vertical_min: 0.0\n",
" geospatial_vertical_positive: up\n",
" geospatial_vertical_units: m\n",
" history: Downloaded from USGS Coastal and Marine Ge...\n",
" id: 56575\n",
" infoUrl: https://sensors.ioos.us/#metadata/56575/st...\n",
" institution: USGS Coastal and Marine Geology Program (U...\n",
" license: The data may be used and redistributed for...\n",
" naming_authority: com.axiomdatascience\n",
" Northernmost_Northing: 41.6508903503418\n",
" platform: fixed\n",
" platform_name: BUZZ_BAY - 265\n",
" platform_vocabulary: http://mmisw.org/ont/ioos/platform\n",
" processing_level: Level 2\n",
" publisher_country: USA\n",
" publisher_institution: USGS Coastal and Marine Geology Program (U...\n",
" publisher_name: USGS Coastal and Marine Geology Program (U...\n",
" publisher_sector: gov_federal\n",
" publisher_type: institution\n",
" publisher_url: http://marine.usgs.gov/\n",
" references: https://stellwagen.er.usgs.gov/buzz_bay.ht...\n",
" sourceUrl: https://sensors.axds.co/api/\n",
" Southernmost_Northing: 41.6508903503418\n",
" standard_name_vocabulary: CF Standard Name Table v72\n",
" summary: Timeseries data from &#x27;BUZZ_BAY - 265&#x27; (urn...\n",
" time_coverage_end: 1982-10-31T14:31:52Z\n",
" time_coverage_start: 1982-08-20T16:31:52Z\n",
" title: BUZZ_BAY - 265\n",
" Westernmost_Easting: -70.68755340576172</pre><div class='xr-wrap' hidden><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-eeed9d76-1752-4cfe-8080-8debdcd386ae' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-eeed9d76-1752-4cfe-8080-8debdcd386ae' class='xr-section-summary' title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span>s</span>: 27617</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-946fce80-082c-45c4-a9d7-76bb4eb67414' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-946fce80-082c-45c4-a9d7-76bb4eb67414' class='xr-section-summary' title='Expand/collapse section'>Coordinates: <span>(0)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'></ul></div></li><li class='xr-section-item'><input id='section-6a464084-1495-4344-9c77-af86d7f95a00' class='xr-section-summary-in' type='checkbox' checked><label for='section-6a464084-1495-4344-9c77-af86d7f95a00' class='xr-section-summary' >Data variables: <span>(13)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>s.time</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-6ac8c6b4-0f5b-4707-bc75-f8941badb4db' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-6ac8c6b4-0f5b-4707-bc75-f8941badb4db' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-ff99e5b8-3532-4f52-9b9e-4a3c8914c916' class='xr-var-data-in' type='checkbox'><label for='data-ff99e5b8-3532-4f52-9b9e-4a3c8914c916' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_CoordinateAxisType :</span></dt><dd>Time</dd><dt><span>actual_range :</span></dt><dd>[3.98709112e+08 4.04922712e+08]</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>cf_role :</span></dt><dd>profile_id</dd><dt><span>ioos_category :</span></dt><dd>Time</dd><dt><span>long_name :</span></dt><dd>Time</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>time_origin :</span></dt><dd>01-JAN-1970 00:00:00</dd></dl></div><div class='xr-var-data'><pre>array([&#x27;1982-10-31T14:31:52.000000000&#x27;, &#x27;1982-10-31T14:28:07.000000000&#x27;,\n",
" &#x27;1982-10-31T14:24:22.000000000&#x27;, ..., &#x27;1982-08-20T16:39:22.000000000&#x27;,\n",
" &#x27;1982-08-20T16:35:37.000000000&#x27;, &#x27;1982-08-20T16:31:52.000000000&#x27;],\n",
" dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.latitude</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-b19479fc-21f5-4245-aaf1-41b5bae36ca5' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-b19479fc-21f5-4245-aaf1-41b5bae36ca5' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-2da40ae1-7828-4c46-8bd1-88bb8e433ccf' class='xr-var-data-in' type='checkbox'><label for='data-2da40ae1-7828-4c46-8bd1-88bb8e433ccf' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_CoordinateAxisType :</span></dt><dd>Lat</dd><dt><span>actual_range :</span></dt><dd>[41.65089035 41.65089035]</dd><dt><span>axis :</span></dt><dd>Y</dd><dt><span>ioos_category :</span></dt><dd>Location</dd><dt><span>long_name :</span></dt><dd>Latitude</dd><dt><span>standard_name :</span></dt><dd>latitude</dd><dt><span>units :</span></dt><dd>degrees_north</dd></dl></div><div class='xr-var-data'><pre>array([41.65089, 41.65089, 41.65089, ..., 41.65089, 41.65089, 41.65089])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.longitude</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-58407e28-d2ff-4cf9-bff7-16d6789f7455' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-58407e28-d2ff-4cf9-bff7-16d6789f7455' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-98d7d374-1851-40f3-858e-c6a38ad0377b' class='xr-var-data-in' type='checkbox'><label for='data-98d7d374-1851-40f3-858e-c6a38ad0377b' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_CoordinateAxisType :</span></dt><dd>Lon</dd><dt><span>actual_range :</span></dt><dd>[-70.68755341 -70.68755341]</dd><dt><span>axis :</span></dt><dd>X</dd><dt><span>ioos_category :</span></dt><dd>Location</dd><dt><span>long_name :</span></dt><dd>Longitude</dd><dt><span>standard_name :</span></dt><dd>longitude</dd><dt><span>units :</span></dt><dd>degrees_east</dd></dl></div><div class='xr-var-data'><pre>array([-70.687553, -70.687553, -70.687553, ..., -70.687553, -70.687553,\n",
" -70.687553])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.z</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-01af1da3-9b8a-407e-88a1-7ce004a4fe9e' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-01af1da3-9b8a-407e-88a1-7ce004a4fe9e' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-2d6e29d4-eb68-4c31-b657-6d6f03ee53a6' class='xr-var-data-in' type='checkbox'><label for='data-2d6e29d4-eb68-4c31-b657-6d6f03ee53a6' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_CoordinateAxisType :</span></dt><dd>Height</dd><dt><span>_CoordinateZisPositive :</span></dt><dd>up</dd><dt><span>actual_range :</span></dt><dd>[ 0. 13.]</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>ioos_category :</span></dt><dd>Location</dd><dt><span>long_name :</span></dt><dd>Altitude</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>standard_name :</span></dt><dd>altitude</dd><dt><span>units :</span></dt><dd>m</dd></dl></div><div class='xr-var-data'><pre>array([-13., -13., -13., ..., -13., -13., -13.])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.backscatter_intensity_2651_a</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-0319debb-ff85-4c0a-a340-2d170bcb1d9f' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-0319debb-ff85-4c0a-a340-2d170bcb1d9f' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4061ef15-c36e-4ffa-a8a8-51b8375a10f8' class='xr-var-data-in' type='checkbox'><label for='data-4061ef15-c36e-4ffa-a8a8-51b8375a10f8' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>discriminant :</span></dt><dd>2651_a</dd><dt><span>id :</span></dt><dd>423972</dd><dt><span>ioos_category :</span></dt><dd>Other</dd><dt><span>long_name :</span></dt><dd>Backscatter Intensity</dd><dt><span>platform :</span></dt><dd>station</dd><dt><span>standard_name :</span></dt><dd>backscatter_intensity</dd><dt><span>standard_name_url :</span></dt><dd>http://mmisw.org/ont/unknown/parameter/backscatter_intensity</dd><dt><span>units :</span></dt><dd>1</dd></dl></div><div class='xr-var-data'><pre>array([2.09599, 2.09599, 2.14481, ..., 0.31406, 0.30918, 0.29453])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.sea_water_velocity_to_direction_2651ds_a</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-e32f4b4a-658b-446c-9a1e-92ea4727bd74' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-e32f4b4a-658b-446c-9a1e-92ea4727bd74' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-66599360-3cef-486d-9684-ae6f4fae4728' class='xr-var-data-in' type='checkbox'><label for='data-66599360-3cef-486d-9684-ae6f4fae4728' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>discriminant :</span></dt><dd>2651ds_a</dd><dt><span>id :</span></dt><dd>423968</dd><dt><span>ioos_category :</span></dt><dd>Other</dd><dt><span>long_name :</span></dt><dd>Current To Direction</dd><dt><span>platform :</span></dt><dd>station</dd><dt><span>standard_name :</span></dt><dd>sea_water_velocity_to_direction</dd><dt><span>standard_name_url :</span></dt><dd>http://mmisw.org/ont/cf/parameter/sea_water_velocity_to_direction</dd><dt><span>units :</span></dt><dd>degrees</dd></dl></div><div class='xr-var-data'><pre>array([ nan, nan, nan, ..., 200.987, 202.841, 207.28 ])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.sea_water_speed_2651ds_a</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-b94da780-17a6-4b41-acbd-2a1171ff4c48' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-b94da780-17a6-4b41-acbd-2a1171ff4c48' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-aab6d367-03a0-439e-8d01-3f19e3c2b08c' class='xr-var-data-in' type='checkbox'><label for='data-aab6d367-03a0-439e-8d01-3f19e3c2b08c' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>discriminant :</span></dt><dd>2651ds_a</dd><dt><span>id :</span></dt><dd>423971</dd><dt><span>ioos_category :</span></dt><dd>Other</dd><dt><span>long_name :</span></dt><dd>Current Speed</dd><dt><span>platform :</span></dt><dd>station</dd><dt><span>standard_name :</span></dt><dd>sea_water_speed</dd><dt><span>standard_name_url :</span></dt><dd>http://mmisw.org/ont/cf/parameter/sea_water_speed</dd><dt><span>units :</span></dt><dd>m.s-1</dd></dl></div><div class='xr-var-data'><pre>array([ nan, nan, nan, ..., 0.222773, 0.213547, 0.204052])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.eastward_sea_water_velocity_2651ds_a</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-9e4c9f1e-544a-449d-8a1c-c34dfb2f8a9c' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-9e4c9f1e-544a-449d-8a1c-c34dfb2f8a9c' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-5dd23516-865d-4da5-a076-6a6557715608' class='xr-var-data-in' type='checkbox'><label for='data-5dd23516-865d-4da5-a076-6a6557715608' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>discriminant :</span></dt><dd>2651ds_a</dd><dt><span>id :</span></dt><dd>423981</dd><dt><span>ioos_category :</span></dt><dd>Other</dd><dt><span>long_name :</span></dt><dd>Eastward Sea Water Velocity</dd><dt><span>platform :</span></dt><dd>station</dd><dt><span>standard_name :</span></dt><dd>eastward_sea_water_velocity</dd><dt><span>standard_name_url :</span></dt><dd>http://mmisw.org/ont/cf/parameter/eastward_sea_water_velocity</dd><dt><span>units :</span></dt><dd>m.s-1</dd></dl></div><div class='xr-var-data'><pre>array([ nan, nan, nan, ..., -0.079787, -0.082895, -0.093525])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.northward_sea_water_velocity_2651ds_a</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-e5a24743-fbc7-4257-ba54-9505ec11ffd1' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-e5a24743-fbc7-4257-ba54-9505ec11ffd1' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-23743ed5-f9fe-4e36-87cf-2fd9c4665344' class='xr-var-data-in' type='checkbox'><label for='data-23743ed5-f9fe-4e36-87cf-2fd9c4665344' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>discriminant :</span></dt><dd>2651ds_a</dd><dt><span>id :</span></dt><dd>423973</dd><dt><span>ioos_category :</span></dt><dd>Other</dd><dt><span>long_name :</span></dt><dd>Northward Sea Water Velocity</dd><dt><span>platform :</span></dt><dd>station</dd><dt><span>standard_name :</span></dt><dd>northward_sea_water_velocity</dd><dt><span>standard_name_url :</span></dt><dd>http://mmisw.org/ont/cf/parameter/northward_sea_water_velocity</dd><dt><span>units :</span></dt><dd>m.s-1</dd></dl></div><div class='xr-var-data'><pre>array([ nan, nan, nan, ..., -0.207994, -0.196801, -0.181357])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.sea_water_pressure_cm_time__standard_deviation_2651_a</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-04b0b4ef-d91e-41fc-ba5e-340e931db98b' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-04b0b4ef-d91e-41fc-ba5e-340e931db98b' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-912968b0-e990-4264-b2e1-c026e6b2a97d' class='xr-var-data-in' type='checkbox'><label for='data-912968b0-e990-4264-b2e1-c026e6b2a97d' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>cell_methods :</span></dt><dd>time: standard deviation</dd><dt><span>discriminant :</span></dt><dd>2651_a</dd><dt><span>id :</span></dt><dd>423982</dd><dt><span>ioos_category :</span></dt><dd>Other</dd><dt><span>long_name :</span></dt><dd>Sea Water Pressure</dd><dt><span>platform :</span></dt><dd>station</dd><dt><span>standard_name :</span></dt><dd>sea_water_pressure</dd><dt><span>standard_name_url :</span></dt><dd>http://mmisw.org/ont/cf/parameter/sea_water_pressure</dd><dt><span>units :</span></dt><dd>decibars</dd></dl></div><div class='xr-var-data'><pre>array([0.00885 , 0.008073, 0.008755, ..., 0.027254, 0.016747, 0.031155])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.sea_water_pressure_2651_a</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-14563c8a-59c3-449a-bbb8-4b8f61165411' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-14563c8a-59c3-449a-bbb8-4b8f61165411' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-0c0622b1-16fc-47a8-8219-e9f7734e619a' class='xr-var-data-in' type='checkbox'><label for='data-0c0622b1-16fc-47a8-8219-e9f7734e619a' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>discriminant :</span></dt><dd>2651_a</dd><dt><span>id :</span></dt><dd>423969</dd><dt><span>ioos_category :</span></dt><dd>Other</dd><dt><span>long_name :</span></dt><dd>Sea Water Pressure</dd><dt><span>platform :</span></dt><dd>station</dd><dt><span>standard_name :</span></dt><dd>sea_water_pressure</dd><dt><span>standard_name_url :</span></dt><dd>http://mmisw.org/ont/cf/parameter/sea_water_pressure</dd><dt><span>units :</span></dt><dd>decibars</dd></dl></div><div class='xr-var-data'><pre>array([21.0294 , 21.051699, 21.0789 , ..., 20.8445 , 20.8741 , 20.901299])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.sea_water_temperature_2651_a</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>float64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-01e169e0-6028-4039-9145-8dfaac1f7a3a' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-01e169e0-6028-4039-9145-8dfaac1f7a3a' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-829e7496-f0fb-40c8-904c-ace42ac309c5' class='xr-var-data-in' type='checkbox'><label for='data-829e7496-f0fb-40c8-904c-ace42ac309c5' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>discriminant :</span></dt><dd>2651_a</dd><dt><span>id :</span></dt><dd>423980</dd><dt><span>ioos_category :</span></dt><dd>Other</dd><dt><span>long_name :</span></dt><dd>Water Temperature</dd><dt><span>platform :</span></dt><dd>station</dd><dt><span>standard_name :</span></dt><dd>sea_water_temperature</dd><dt><span>standard_name_url :</span></dt><dd>http://mmisw.org/ont/cf/parameter/sea_water_temperature</dd><dt><span>units :</span></dt><dd>degree_Celsius</dd></dl></div><div class='xr-var-data'><pre>array([12.723206, 12.723206, 12.74231 , ..., 21.919098, 21.936493, 21.953888])</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>s.station</span></div><div class='xr-var-dims'>(s)</div><div class='xr-var-dtype'>|S64</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-960e8731-61fe-4077-a002-bab4b6d8f14d' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-960e8731-61fe-4077-a002-bab4b6d8f14d' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-3bddb65f-502e-4205-88ba-fb2c29efb92e' class='xr-var-data-in' type='checkbox'><label for='data-3bddb65f-502e-4205-88ba-fb2c29efb92e' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>cf_role :</span></dt><dd>timeseries_id</dd><dt><span>ioos_category :</span></dt><dd>Identifier</dd><dt><span>ioos_code :</span></dt><dd>urn:ioos:station:com.axiomdatascience:56575</dd><dt><span>long_name :</span></dt><dd>BUZZ_BAY - 265</dd><dt><span>short_name :</span></dt><dd>urn:ioos:station:gov.usgs.cmgp:BUZZ_BAY_265</dd><dt><span>type :</span></dt><dd>fixed</dd></dl></div><div class='xr-var-data'><pre>array([b&#x27;BUZZ_BAY - 265&#x27;, b&#x27;BUZZ_BAY - 265&#x27;, b&#x27;BUZZ_BAY - 265&#x27;, ...,\n",
" b&#x27;BUZZ_BAY - 265&#x27;, b&#x27;BUZZ_BAY - 265&#x27;, b&#x27;BUZZ_BAY - 265&#x27;], dtype=&#x27;|S64&#x27;)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-3b291dc9-8ca1-47a1-b2c5-e9734d374657' class='xr-section-summary-in' type='checkbox' ><label for='section-3b291dc9-8ca1-47a1-b2c5-e9734d374657' class='xr-section-summary' >Attributes: <span>(55)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>cdm_altitude_proxy :</span></dt><dd>z</dd><dt><span>cdm_data_type :</span></dt><dd>TimeSeriesProfile</dd><dt><span>cdm_profile_variables :</span></dt><dd>time</dd><dt><span>cdm_timeseries_variables :</span></dt><dd>station,longitude,latitude</dd><dt><span>contributor_email :</span></dt><dd>None,feedback@axiomdatascience.com</dd><dt><span>contributor_name :</span></dt><dd>Mid-Atlantic Coastal Ocean Observing System (MARACOOS),Axiom Data Science</dd><dt><span>contributor_role :</span></dt><dd>funder,processor</dd><dt><span>contributor_role_vocabulary :</span></dt><dd>NERC</dd><dt><span>contributor_url :</span></dt><dd>https://maracoos.org/,https://www.axiomdatascience.com</dd><dt><span>Conventions :</span></dt><dd>IOOS-1.2, CF-1.6, ACDD-1.3, NCCSV-1.0</dd><dt><span>creator_country :</span></dt><dd>USA</dd><dt><span>creator_institution :</span></dt><dd>USGS Coastal and Marine Geology Program (USGS-CMGP)</dd><dt><span>creator_name :</span></dt><dd>USGS Coastal and Marine Geology Program (USGS-CMGP)</dd><dt><span>creator_sector :</span></dt><dd>gov_federal</dd><dt><span>creator_type :</span></dt><dd>institution</dd><dt><span>creator_url :</span></dt><dd>http://marine.usgs.gov/</dd><dt><span>defaultDataQuery :</span></dt><dd>sea_water_speed_2651ds_a,backscatter_intensity_2651_a,sea_water_temperature_2651_a,sea_water_pressure_2651_a,sea_water_pressure_cm_time__standard_deviation_2651_a,z,northward_sea_water_velocity_2651ds_a,time,sea_water_velocity_to_direction_2651ds_a,eastward_sea_water_velocity_2651ds_a&amp;time&gt;=max(time)-3days</dd><dt><span>Easternmost_Easting :</span></dt><dd>-70.68755340576172</dd><dt><span>featureType :</span></dt><dd>TimeSeriesProfile</dd><dt><span>geospatial_lat_max :</span></dt><dd>41.6508903503418</dd><dt><span>geospatial_lat_min :</span></dt><dd>41.6508903503418</dd><dt><span>geospatial_lat_units :</span></dt><dd>degrees_north</dd><dt><span>geospatial_lon_max :</span></dt><dd>-70.68755340576172</dd><dt><span>geospatial_lon_min :</span></dt><dd>-70.68755340576172</dd><dt><span>geospatial_lon_units :</span></dt><dd>degrees_east</dd><dt><span>geospatial_vertical_max :</span></dt><dd>13.0</dd><dt><span>geospatial_vertical_min :</span></dt><dd>0.0</dd><dt><span>geospatial_vertical_positive :</span></dt><dd>up</dd><dt><span>geospatial_vertical_units :</span></dt><dd>m</dd><dt><span>history :</span></dt><dd>Downloaded from USGS Coastal and Marine Geology Program (USGS-CMGP) at \n",
"2021-02-18T11:39:58Z https://sensors.axds.co/api/\n",
"2021-02-18T11:39:58Z http://erddap.sensors.ioos.us/erddap/tabledap/gov_usgs_cmgp_buzz_bay_265.das</dd><dt><span>id :</span></dt><dd>56575</dd><dt><span>infoUrl :</span></dt><dd>https://sensors.ioos.us/#metadata/56575/station</dd><dt><span>institution :</span></dt><dd>USGS Coastal and Marine Geology Program (USGS-CMGP)</dd><dt><span>license :</span></dt><dd>The data may be used and redistributed for free but is not intended\n",
"for legal use, since it may contain inaccuracies. Neither the data\n",
"Contributor, ERD, NOAA, nor the United States Government, nor any\n",
"of their employees or contractors, makes any warranty, express or\n",
"implied, including warranties of merchantability and fitness for a\n",
"particular purpose, or assumes any legal liability for the accuracy,\n",
"completeness, or usefulness, of this information.</dd><dt><span>naming_authority :</span></dt><dd>com.axiomdatascience</dd><dt><span>Northernmost_Northing :</span></dt><dd>41.6508903503418</dd><dt><span>platform :</span></dt><dd>fixed</dd><dt><span>platform_name :</span></dt><dd>BUZZ_BAY - 265</dd><dt><span>platform_vocabulary :</span></dt><dd>http://mmisw.org/ont/ioos/platform</dd><dt><span>processing_level :</span></dt><dd>Level 2</dd><dt><span>publisher_country :</span></dt><dd>USA</dd><dt><span>publisher_institution :</span></dt><dd>USGS Coastal and Marine Geology Program (USGS-CMGP)</dd><dt><span>publisher_name :</span></dt><dd>USGS Coastal and Marine Geology Program (USGS-CMGP)</dd><dt><span>publisher_sector :</span></dt><dd>gov_federal</dd><dt><span>publisher_type :</span></dt><dd>institution</dd><dt><span>publisher_url :</span></dt><dd>http://marine.usgs.gov/</dd><dt><span>references :</span></dt><dd>https://stellwagen.er.usgs.gov/buzz_bay.html,,</dd><dt><span>sourceUrl :</span></dt><dd>https://sensors.axds.co/api/</dd><dt><span>Southernmost_Northing :</span></dt><dd>41.6508903503418</dd><dt><span>standard_name_vocabulary :</span></dt><dd>CF Standard Name Table v72</dd><dt><span>summary :</span></dt><dd>Timeseries data from &#x27;BUZZ_BAY - 265&#x27; (urn:ioos:station:gov.usgs.cmgp:BUZZ_BAY_265)</dd><dt><span>time_coverage_end :</span></dt><dd>1982-10-31T14:31:52Z</dd><dt><span>time_coverage_start :</span></dt><dd>1982-08-20T16:31:52Z</dd><dt><span>title :</span></dt><dd>BUZZ_BAY - 265</dd><dt><span>Westernmost_Easting :</span></dt><dd>-70.68755340576172</dd></dl></div></li></ul></div></div>"
],
"text/plain": [
"<xarray.Dataset>\n",
"Dimensions: (s: 27617)\n",
"Dimensions without coordinates: s\n",
"Data variables:\n",
" s.time (s) datetime64[ns] ...\n",
" s.latitude (s) float64 ...\n",
" s.longitude (s) float64 ...\n",
" s.z (s) float64 ...\n",
" s.backscatter_intensity_2651_a (s) float64 ...\n",
" s.sea_water_velocity_to_direction_2651ds_a (s) float64 ...\n",
" s.sea_water_speed_2651ds_a (s) float64 ...\n",
" s.eastward_sea_water_velocity_2651ds_a (s) float64 ...\n",
" s.northward_sea_water_velocity_2651ds_a (s) float64 ...\n",
" s.sea_water_pressure_cm_time__standard_deviation_2651_a (s) float64 ...\n",
" s.sea_water_pressure_2651_a (s) float64 ...\n",
" s.sea_water_temperature_2651_a (s) float64 ...\n",
" s.station (s) |S64 ...\n",
"Attributes:\n",
" cdm_altitude_proxy: z\n",
" cdm_data_type: TimeSeriesProfile\n",
" cdm_profile_variables: time\n",
" cdm_timeseries_variables: station,longitude,latitude\n",
" contributor_email: None,feedback@axiomdatascience.com\n",
" contributor_name: Mid-Atlantic Coastal Ocean Observing Syste...\n",
" contributor_role: funder,processor\n",
" contributor_role_vocabulary: NERC\n",
" contributor_url: https://maracoos.org/,https://www.axiomdat...\n",
" Conventions: IOOS-1.2, CF-1.6, ACDD-1.3, NCCSV-1.0\n",
" creator_country: USA\n",
" creator_institution: USGS Coastal and Marine Geology Program (U...\n",
" creator_name: USGS Coastal and Marine Geology Program (U...\n",
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" creator_type: institution\n",
" creator_url: http://marine.usgs.gov/\n",
" defaultDataQuery: sea_water_speed_2651ds_a,backscatter_inten...\n",
" Easternmost_Easting: -70.68755340576172\n",
" featureType: TimeSeriesProfile\n",
" geospatial_lat_max: 41.6508903503418\n",
" geospatial_lat_min: 41.6508903503418\n",
" geospatial_lat_units: degrees_north\n",
" geospatial_lon_max: -70.68755340576172\n",
" geospatial_lon_min: -70.68755340576172\n",
" geospatial_lon_units: degrees_east\n",
" geospatial_vertical_max: 13.0\n",
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" geospatial_vertical_positive: up\n",
" geospatial_vertical_units: m\n",
" history: Downloaded from USGS Coastal and Marine Ge...\n",
" id: 56575\n",
" infoUrl: https://sensors.ioos.us/#metadata/56575/st...\n",
" institution: USGS Coastal and Marine Geology Program (U...\n",
" license: The data may be used and redistributed for...\n",
" naming_authority: com.axiomdatascience\n",
" Northernmost_Northing: 41.6508903503418\n",
" platform: fixed\n",
" platform_name: BUZZ_BAY - 265\n",
" platform_vocabulary: http://mmisw.org/ont/ioos/platform\n",
" processing_level: Level 2\n",
" publisher_country: USA\n",
" publisher_institution: USGS Coastal and Marine Geology Program (U...\n",
" publisher_name: USGS Coastal and Marine Geology Program (U...\n",
" publisher_sector: gov_federal\n",
" publisher_type: institution\n",
" publisher_url: http://marine.usgs.gov/\n",
" references: https://stellwagen.er.usgs.gov/buzz_bay.ht...\n",
" sourceUrl: https://sensors.axds.co/api/\n",
" Southernmost_Northing: 41.6508903503418\n",
" standard_name_vocabulary: CF Standard Name Table v72\n",
" summary: Timeseries data from 'BUZZ_BAY - 265' (urn...\n",
" time_coverage_end: 1982-10-31T14:31:52Z\n",
" time_coverage_start: 1982-08-20T16:31:52Z\n",
" title: BUZZ_BAY - 265\n",
" Westernmost_Easting: -70.68755340576172"
]
},
"execution_count": 14,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ds = xr.open_dataset('http://erddap.sensors.ioos.us/erddap/tabledap/gov_usgs_cmgp_buzz_bay_265')\n",
"ds"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Read NetCDF data from ERDDAP's griddap Service"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [],
"source": [
"url = 'https://geoport.usgs.esipfed.org/erddap/griddap/adcp_grid_5d6e_e2f9_148d'\n",
"\n",
"ds = xr.open_dataset(url)"
]
},
{
"cell_type": "code",
"execution_count": 16,
"metadata": {},
"outputs": [
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"</style><pre class='xr-text-repr-fallback'>&lt;xarray.Dataset&gt;\n",
"Dimensions: (altitude: 16, time: 8992)\n",
"Coordinates:\n",
" * time (time) datetime64[ns] 2009-09-08T04:14:36 ... 2009-11-09T14:44:36\n",
" * altitude (altitude) float32 -6.57 -6.07 -5.57 ... -0.06964 0.4304 0.9304\n",
"Data variables:\n",
" AGC_1202 (time, altitude) float32 ...\n",
" CD_310 (time, altitude) float32 ...\n",
" CS_300 (time, altitude) float32 ...\n",
" PGd_1203 (time, altitude) float32 ...\n",
" Werr_1201 (time, altitude) float32 ...\n",
" u_1205 (time, altitude) float32 ...\n",
" v_1206 (time, altitude) float32 ...\n",
" w_1204 (time, altitude) float32 ...\n",
"Attributes:\n",
" beam_angle: 20\n",
" beam_pattern: convex\n",
" beam_width: 2\n",
" beams_in_velocity_calculation: 4\n",
" bin_count: 37\n",
" bin_size: 0.5\n",
" blanking_distance: 0.44\n",
" cdm_data_type: Grid\n",
" center_first_bin: 1.06\n",
" code_repetitions: 5\n",
" COMPOSITE: 0\n",
" conductivity_sensor: NO\n",
" contributor_name: N. Ganju\n",
" contributor_role: principalInvestigator\n",
" Conventions: CF-1.6,ACDD-1.3, COARDS\n",
" COORD_SYSTEM: GEOGRAPHIC\n",
" creation_date: 01-Mar-2011 15:26:49\n",
" creator_email: rsignell@usgs.gov\n",
" creator_name: Rich Signell\n",
" creator_phone: +1 (508) 548-8700\n",
" creator_url: https://www.usgs.gov\n",
" DATA_CMNT: 1200 kHz ADCP on north micropod\n",
" DATA_ORIGIN: USGS WHSC Sed Trans Group\n",
" DATA_SUB_TYPE: MOORED\n",
" DATA_TYPE: ADCP\n",
" date_created: 2017-02-06T18:53:00Z\n",
" date_issued: 2017-02-06T18:53:00Z\n",
" date_metadata_modified: 2017-02-06T18:53:00Z\n",
" date_modified: 2017-02-06T18:53:00Z\n",
" DELTA_T: 600\n",
" Deployment_date: 13-Aug-2009\n",
" DEPTH_CONST: 0\n",
" depth_sensor: YES\n",
" DESCRIPT: Tripod at north Buzzards Bay Site\n",
" description: WFAL - 859 - 8591wh-a.nc\n",
" DRIFTER: 0\n",
" ED_taken_from_depth_sensor: YES\n",
" EH_taken_from_transducer_heading_sensor: YES\n",
" ending_water_layer: 5\n",
" EP_taken_from_transducer_pitch_sensor: YES\n",
" ER_taken_from_transducer_roll_sensor: YES\n",
" error_velocity_threshold: 2000\n",
" ET_taken_from_temperature_sensor: YES\n",
" EXPERIMENT: Buzzards Bay Ecosystem Studies\n",
" false_target_reject_values: [255 255]\n",
" FILL_FLAG: 0\n",
" firmware_version: 16.31\n",
" frequency: 1200\n",
" geospatial_bounds: POINT(-70.72550201416016 41.634...\n",
" geospatial_bounds_crs: 4326\n",
" geospatial_vertical_max: 0.9303613\n",
" geospatial_vertical_min: -6.569639\n",
" geospatial_vertical_positive: up\n",
" geospatial_vertical_resolution: 0.50000002\n",
" geospatial_vertical_units: m\n",
" heading_sensor: YES\n",
" history: Trimmed using trunc_cdf, SVN $...\n",
" id: 8591wh-a\n",
" infoUrl: https://www.usgs.gov\n",
" initial_instrument_height: 1.25\n",
" initial_instrument_height_note: height in meters above bottom: ...\n",
" INST_TYPE: RD Instruments ADCP\n",
" institution: USGS Coastal and Marine Geology...\n",
" janus: 4 Beam\n",
" keywords: 8591wh, 8591wh-a, agc, AGC_1202...\n",
" keywords_vocabulary: GCMD Science Keywords\n",
" lag_length: 53\n",
" latitude: 41.6346\n",
" license: The data may be used and redist...\n",
" longitude: -70.7255\n",
" magnetic_variation_applied: -15.0333\n",
" magnetic_variation_at_site: -15.0333\n",
" minmax_percent_good: [ 0 100]\n",
" modification_date: 06-Aug-2010 16:34:12\n",
" MOORING: 859.0\n",
" naming_authority: gov.usgs.cmgp\n",
" ncei_template_version: NCEI_NetCDF_TimeSeriesProfile_O...\n",
" nominal_sensor_depth: 7.6296387\n",
" nominal_sensor_depth_note: inst_depth = (water_depth - ins...\n",
" NOTE_1: transmit_pulse_length units are cm\n",
" NOTE_2: transmit_lag_distance units are cm\n",
" NOTE_3: bin depths are relative to the ...\n",
" orientation: UP\n",
" original_filename: 8591wh-a.nc\n",
" original_folder: WFAL\n",
" pings_per_ensemble: 180\n",
" pitch_sensor: YES\n",
" platform_type: Tripod\n",
" POS_CONST: 0\n",
" pred_accuracy: 0.52\n",
" profiling_mode: 1\n",
" PROJECT: USGS Coastal Marine Geology Pro...\n",
" project: U.S. Geological Survey Oceanogr...\n",
" project_summary: Oceanographic and water-quality...\n",
" project_title: West Falmouth Harbor Fluxes\n",
" publisher_email: emontgomery@usgs.gov\n",
" publisher_name: Ellyn Montgomery\n",
" publisher_phone: +1 (508) 548-8700\n",
" publisher_url: https://www.usgs.gov\n",
" Recovery_date: 9-Nov-2009\n",
" roll_sensor: YES\n",
" salinity_set_by_user: 35.0\n",
" salinity_set_by_user_units: PPT\n",
" SciPi: N. Ganju\n",
" sensor_configuration: 1\n",
" serial_number: 6983\n",
" simulated_data: 0\n",
" Sound_speed_computed_from_ED_ES_ET: YES\n",
" source: USGS\n",
" sourceUrl: (local files)\n",
" standard_name_vocabulary: CF Standard Name Table v29\n",
" starting_water_layer: 1\n",
" summary: United States Geological Survey...\n",
" temperature_sensor: YES\n",
" time_between_ping_groups: 1.0\n",
" time_coverage_duration: PT5394600S\n",
" time_coverage_end: 2009-11-09T14:44:36Z\n",
" time_coverage_start: 2009-09-08T04:14:36Z\n",
" title: USGS-CMG time-series data: West...\n",
" transducer_attached: 49\n",
" transducer_offset_from_bottom: 1.25\n",
" transform: EARTH\n",
" transmit_lag_distance: 12\n",
" transmit_pulse_length_cm: 61\n",
" valid_correlation_range: [ 64 255]\n",
" VAR_DESC: bindist:ensemble:u:v:w:Werr:AGC...\n",
" VAR_FILL: 1e+35\n",
" WATER_DEPTH: 8.879639\n",
" WATER_DEPTH_datum: not yet assigned\n",
" WATER_DEPTH_source: water depth = MSL from pressure...</pre><div class='xr-wrap' hidden><div class='xr-header'><div class='xr-obj-type'>xarray.Dataset</div></div><ul class='xr-sections'><li class='xr-section-item'><input id='section-70f71fb8-d2aa-4b74-a280-b1a7f04dec6a' class='xr-section-summary-in' type='checkbox' disabled ><label for='section-70f71fb8-d2aa-4b74-a280-b1a7f04dec6a' class='xr-section-summary' title='Expand/collapse section'>Dimensions:</label><div class='xr-section-inline-details'><ul class='xr-dim-list'><li><span class='xr-has-index'>altitude</span>: 16</li><li><span class='xr-has-index'>time</span>: 8992</li></ul></div><div class='xr-section-details'></div></li><li class='xr-section-item'><input id='section-1da579fc-a95f-47e0-bfdf-91f7d85d9a44' class='xr-section-summary-in' type='checkbox' checked><label for='section-1da579fc-a95f-47e0-bfdf-91f7d85d9a44' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2009-09-08T04:14:36 ... 2009-11-...</div><input id='attrs-b54039b4-bb50-4534-885d-0837ffcd73d9' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-b54039b4-bb50-4534-885d-0837ffcd73d9' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c2817c8e-3b33-461d-9392-2e2a7c7cd127' class='xr-var-data-in' type='checkbox'><label for='data-c2817c8e-3b33-461d-9392-2e2a7c7cd127' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_CoordinateAxisType :</span></dt><dd>Time</dd><dt><span>actual_range :</span></dt><dd>[1.25238328e+09 1.25777788e+09]</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>ioos_category :</span></dt><dd>Time</dd><dt><span>long_name :</span></dt><dd>time of measurement</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>time_origin :</span></dt><dd>01-JAN-1970 00:00:00</dd></dl></div><div class='xr-var-data'><pre>array([&#x27;2009-09-08T04:14:36.000000000&#x27;, &#x27;2009-09-08T04:24:36.000000000&#x27;,\n",
" &#x27;2009-09-08T04:34:36.000000000&#x27;, ..., &#x27;2009-11-09T14:24:36.000000000&#x27;,\n",
" &#x27;2009-11-09T14:34:36.000000000&#x27;, &#x27;2009-11-09T14:44:36.000000000&#x27;],\n",
" dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>altitude</span></div><div class='xr-var-dims'>(altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>-6.57 -6.07 -5.57 ... 0.4304 0.9304</div><input id='attrs-1a01e243-4ef0-4c8e-9f34-aa80a754ef0b' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-1a01e243-4ef0-4c8e-9f34-aa80a754ef0b' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-8960a3b8-acc7-4e3d-b756-7f5d626121e6' class='xr-var-data-in' type='checkbox'><label for='data-8960a3b8-acc7-4e3d-b756-7f5d626121e6' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_CoordinateAxisType :</span></dt><dd>Height</dd><dt><span>_CoordinateZisPositive :</span></dt><dd>up</dd><dt><span>actual_range :</span></dt><dd>[-6.569639 0.9303613]</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>ioos_category :</span></dt><dd>Location</dd><dt><span>long_name :</span></dt><dd>Altitude</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>standard_name :</span></dt><dd>altitude</dd><dt><span>units :</span></dt><dd>m</dd><dt><span>valid_max :</span></dt><dd>0.9303613</dd><dt><span>valid_min :</span></dt><dd>-6.5696387</dd></dl></div><div class='xr-var-data'><pre>array([-6.569639, -6.069639, -5.569639, -5.069639, -4.569639, -4.069639,\n",
" -3.569639, -3.069639, -2.569639, -2.069639, -1.569639, -1.069639,\n",
" -0.569639, -0.069639, 0.430361, 0.930361], dtype=float32)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-927cc2c0-4958-4b58-90e3-9b4570e4432c' class='xr-section-summary-in' type='checkbox' checked><label for='section-927cc2c0-4958-4b58-90e3-9b4570e4432c' class='xr-section-summary' >Data variables: <span>(8)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span>AGC_1202</span></div><div class='xr-var-dims'>(time, altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-c24055e4-0b51-4c04-932c-ef0f924bc86c' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-c24055e4-0b51-4c04-932c-ef0f924bc86c' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-8d506c44-b0c2-4b01-9254-6075aaa5d6dc' class='xr-var-data-in' type='checkbox'><label for='data-8d506c44-b0c2-4b01-9254-6075aaa5d6dc' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>epic_code :</span></dt><dd>1202</dd><dt><span>FORTRAN_format :</span></dt><dd>F5.1</dd><dt><span>generic_name :</span></dt><dd>AGC</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>height_depth_units :</span></dt><dd>m</dd><dt><span>initial_sensor_height :</span></dt><dd>1.25</dd><dt><span>ioos_category :</span></dt><dd>Statistics</dd><dt><span>long_name :</span></dt><dd>Average Echo Intensity (AGC)</dd><dt><span>norm_factor :</span></dt><dd>0.44999998807907104</dd><dt><span>NOTE :</span></dt><dd>normalization to db</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>sensor_depth :</span></dt><dd>7.6296</dd><dt><span>sensor_type :</span></dt><dd>RD Instruments ADCP</dd><dt><span>serial_number :</span></dt><dd>6983</dd><dt><span>units :</span></dt><dd>counts</dd></dl></div><div class='xr-var-data'><pre>[143872 values with dtype=float32]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>CD_310</span></div><div class='xr-var-dims'>(time, altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-3d97d820-7cf4-40a8-8bd2-f3793a40cbdf' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-3d97d820-7cf4-40a8-8bd2-f3793a40cbdf' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-2c57946f-c8be-4981-a9ce-ce06e4ec0255' class='xr-var-data-in' type='checkbox'><label for='data-2c57946f-c8be-4981-a9ce-ce06e4ec0255' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>colorBarMaximum :</span></dt><dd>360.0</dd><dt><span>colorBarMinimum :</span></dt><dd>0.0</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>epic_code :</span></dt><dd>310</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>ioos_category :</span></dt><dd>Currents</dd><dt><span>long_name :</span></dt><dd>Current direction</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>standard_name :</span></dt><dd>direction_of_sea_water_velocity</dd><dt><span>units :</span></dt><dd>degree</dd></dl></div><div class='xr-var-data'><pre>[143872 values with dtype=float32]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>CS_300</span></div><div class='xr-var-dims'>(time, altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-4e341835-0229-4fe1-9a28-2fead68913b5' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-4e341835-0229-4fe1-9a28-2fead68913b5' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-9c648c15-2038-45ab-9bab-8e4175a660fd' class='xr-var-data-in' type='checkbox'><label for='data-9c648c15-2038-45ab-9bab-8e4175a660fd' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>colorBarMaximum :</span></dt><dd>0.5</dd><dt><span>colorBarMinimum :</span></dt><dd>0.0</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>epic_code :</span></dt><dd>300</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>ioos_category :</span></dt><dd>Currents</dd><dt><span>long_name :</span></dt><dd>Current speed</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>standard_name :</span></dt><dd>sea_water_speed</dd><dt><span>units :</span></dt><dd>m/s</dd></dl></div><div class='xr-var-data'><pre>[143872 values with dtype=float32]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>PGd_1203</span></div><div class='xr-var-dims'>(time, altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-93c09bb4-8f08-479b-a64b-e1f425553676' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-93c09bb4-8f08-479b-a64b-e1f425553676' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-20f09a54-a653-4737-a6b3-37f4212982bf' class='xr-var-data-in' type='checkbox'><label for='data-20f09a54-a653-4737-a6b3-37f4212982bf' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>colorBarMaximum :</span></dt><dd>100.0</dd><dt><span>colorBarMinimum :</span></dt><dd>0.0</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>epic_code :</span></dt><dd>1203</dd><dt><span>generic_name :</span></dt><dd>PGd</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>height_depth_units :</span></dt><dd>m</dd><dt><span>initial_sensor_height :</span></dt><dd>1.25</dd><dt><span>ioos_category :</span></dt><dd>Unknown</dd><dt><span>long_name :</span></dt><dd>Percent Good Pings</dd><dt><span>NOTE :</span></dt><dd>Average of values</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>sensor_depth :</span></dt><dd>7.6296</dd><dt><span>sensor_type :</span></dt><dd>RD Instruments ADCP</dd><dt><span>serial_number :</span></dt><dd>6983</dd><dt><span>units :</span></dt><dd>percent</dd></dl></div><div class='xr-var-data'><pre>[143872 values with dtype=float32]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>Werr_1201</span></div><div class='xr-var-dims'>(time, altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-1c9be58e-3fd7-4f3c-ab01-c19e23887883' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-1c9be58e-3fd7-4f3c-ab01-c19e23887883' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-13d113bc-5cec-430d-bd88-caf32cd56d88' class='xr-var-data-in' type='checkbox'><label for='data-13d113bc-5cec-430d-bd88-caf32cd56d88' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>colorBarMaximum :</span></dt><dd>50.0</dd><dt><span>colorBarMinimum :</span></dt><dd>0.0</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>epic_code :</span></dt><dd>1201</dd><dt><span>FORTRAN_format :</span></dt><dd>F8.1</dd><dt><span>generic_name :</span></dt><dd>w</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>height_depth_units :</span></dt><dd>m</dd><dt><span>initial_sensor_height :</span></dt><dd>1.25</dd><dt><span>ioos_category :</span></dt><dd>Statistics</dd><dt><span>long_name :</span></dt><dd>Error Velocity</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>sensor_depth :</span></dt><dd>7.6296</dd><dt><span>sensor_type :</span></dt><dd>RD Instruments ADCP</dd><dt><span>serial_number :</span></dt><dd>6983</dd><dt><span>units :</span></dt><dd>cm/s</dd></dl></div><div class='xr-var-data'><pre>[143872 values with dtype=float32]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>u_1205</span></div><div class='xr-var-dims'>(time, altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-fbbbaa7a-aef9-4947-902c-f75c515b8f46' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-fbbbaa7a-aef9-4947-902c-f75c515b8f46' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-7b022778-6e2e-4bbc-9f4a-feb0010018b3' class='xr-var-data-in' type='checkbox'><label for='data-7b022778-6e2e-4bbc-9f4a-feb0010018b3' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>colorBarMaximum :</span></dt><dd>0.5</dd><dt><span>colorBarMinimum :</span></dt><dd>-0.5</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>epic_code :</span></dt><dd>1205</dd><dt><span>generic_name :</span></dt><dd>u</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>height_depth_units :</span></dt><dd>m</dd><dt><span>initial_sensor_height :</span></dt><dd>1.25</dd><dt><span>ioos_category :</span></dt><dd>Currents</dd><dt><span>long_name :</span></dt><dd>Eastward (u) velocity</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>sensor_depth :</span></dt><dd>7.6296</dd><dt><span>sensor_type :</span></dt><dd>RD Instruments ADCP</dd><dt><span>serial_number :</span></dt><dd>6983</dd><dt><span>standard_name :</span></dt><dd>eastward_sea_water_velocity</dd><dt><span>units :</span></dt><dd>m/s</dd></dl></div><div class='xr-var-data'><pre>[143872 values with dtype=float32]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>v_1206</span></div><div class='xr-var-dims'>(time, altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-a1d9b785-f563-4502-87f5-2f0c5d7dc4f5' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-a1d9b785-f563-4502-87f5-2f0c5d7dc4f5' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-fb01397a-06c3-44ce-aea3-ac610f04caf0' class='xr-var-data-in' type='checkbox'><label for='data-fb01397a-06c3-44ce-aea3-ac610f04caf0' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>colorBarMaximum :</span></dt><dd>0.5</dd><dt><span>colorBarMinimum :</span></dt><dd>-0.5</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>epic_code :</span></dt><dd>1206</dd><dt><span>generic_name :</span></dt><dd>v</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>initial_sensor_height :</span></dt><dd>1.25</dd><dt><span>ioos_category :</span></dt><dd>Currents</dd><dt><span>long_name :</span></dt><dd>Northward (v) velocity</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>sensor_depth :</span></dt><dd>7.6296</dd><dt><span>sensor_type :</span></dt><dd>RD Instruments ADCP</dd><dt><span>serial_number :</span></dt><dd>6983</dd><dt><span>standard_name :</span></dt><dd>northward_sea_water_velocity</dd><dt><span>units :</span></dt><dd>m/s</dd></dl></div><div class='xr-var-data'><pre>[143872 values with dtype=float32]</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span>w_1204</span></div><div class='xr-var-dims'>(time, altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>...</div><input id='attrs-6ed18fa7-25f8-4ea7-83ca-1a1bd19b34c5' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-6ed18fa7-25f8-4ea7-83ca-1a1bd19b34c5' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-4c2050cd-5eda-4d94-81af-53b2f11828a0' class='xr-var-data-in' type='checkbox'><label for='data-4c2050cd-5eda-4d94-81af-53b2f11828a0' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>colorBarMaximum :</span></dt><dd>0.5</dd><dt><span>colorBarMinimum :</span></dt><dd>-0.5</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>epic_code :</span></dt><dd>1204</dd><dt><span>generic_name :</span></dt><dd>w</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>initial_sensor_height :</span></dt><dd>1.25</dd><dt><span>ioos_category :</span></dt><dd>Currents</dd><dt><span>long_name :</span></dt><dd>Upward (w) velocity</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>sensor_depth :</span></dt><dd>7.6296</dd><dt><span>sensor_type :</span></dt><dd>RD Instruments ADCP</dd><dt><span>serial_number :</span></dt><dd>6983</dd><dt><span>standard_name :</span></dt><dd>upward_sea_water_velocity</dd><dt><span>units :</span></dt><dd>m/s</dd></dl></div><div class='xr-var-data'><pre>[143872 values with dtype=float32]</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-1bc8185c-c93b-43e7-9ef8-22762752195c' class='xr-section-summary-in' type='checkbox' ><label for='section-1bc8185c-c93b-43e7-9ef8-22762752195c' class='xr-section-summary' >Attributes: <span>(130)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>beam_angle :</span></dt><dd>20</dd><dt><span>beam_pattern :</span></dt><dd>convex</dd><dt><span>beam_width :</span></dt><dd>2</dd><dt><span>beams_in_velocity_calculation :</span></dt><dd>4</dd><dt><span>bin_count :</span></dt><dd>37</dd><dt><span>bin_size :</span></dt><dd>0.5</dd><dt><span>blanking_distance :</span></dt><dd>0.44</dd><dt><span>cdm_data_type :</span></dt><dd>Grid</dd><dt><span>center_first_bin :</span></dt><dd>1.06</dd><dt><span>code_repetitions :</span></dt><dd>5</dd><dt><span>COMPOSITE :</span></dt><dd>0</dd><dt><span>conductivity_sensor :</span></dt><dd>NO</dd><dt><span>contributor_name :</span></dt><dd>N. Ganju</dd><dt><span>contributor_role :</span></dt><dd>principalInvestigator</dd><dt><span>Conventions :</span></dt><dd>CF-1.6,ACDD-1.3, COARDS</dd><dt><span>COORD_SYSTEM :</span></dt><dd>GEOGRAPHIC</dd><dt><span>creation_date :</span></dt><dd>01-Mar-2011 15:26:49</dd><dt><span>creator_email :</span></dt><dd>rsignell@usgs.gov</dd><dt><span>creator_name :</span></dt><dd>Rich Signell</dd><dt><span>creator_phone :</span></dt><dd>+1 (508) 548-8700</dd><dt><span>creator_url :</span></dt><dd>https://www.usgs.gov</dd><dt><span>DATA_CMNT :</span></dt><dd>1200 kHz ADCP on north micropod</dd><dt><span>DATA_ORIGIN :</span></dt><dd>USGS WHSC Sed Trans Group</dd><dt><span>DATA_SUB_TYPE :</span></dt><dd>MOORED</dd><dt><span>DATA_TYPE :</span></dt><dd>ADCP</dd><dt><span>date_created :</span></dt><dd>2017-02-06T18:53:00Z</dd><dt><span>date_issued :</span></dt><dd>2017-02-06T18:53:00Z</dd><dt><span>date_metadata_modified :</span></dt><dd>2017-02-06T18:53:00Z</dd><dt><span>date_modified :</span></dt><dd>2017-02-06T18:53:00Z</dd><dt><span>DELTA_T :</span></dt><dd>600</dd><dt><span>Deployment_date :</span></dt><dd>13-Aug-2009</dd><dt><span>DEPTH_CONST :</span></dt><dd>0</dd><dt><span>depth_sensor :</span></dt><dd>YES</dd><dt><span>DESCRIPT :</span></dt><dd>Tripod at north Buzzards Bay Site</dd><dt><span>description :</span></dt><dd>WFAL - 859 - 8591wh-a.nc</dd><dt><span>DRIFTER :</span></dt><dd>0</dd><dt><span>ED_taken_from_depth_sensor :</span></dt><dd>YES</dd><dt><span>EH_taken_from_transducer_heading_sensor :</span></dt><dd>YES</dd><dt><span>ending_water_layer :</span></dt><dd>5</dd><dt><span>EP_taken_from_transducer_pitch_sensor :</span></dt><dd>YES</dd><dt><span>ER_taken_from_transducer_roll_sensor :</span></dt><dd>YES</dd><dt><span>error_velocity_threshold :</span></dt><dd>2000</dd><dt><span>ET_taken_from_temperature_sensor :</span></dt><dd>YES</dd><dt><span>EXPERIMENT :</span></dt><dd>Buzzards Bay Ecosystem Studies</dd><dt><span>false_target_reject_values :</span></dt><dd>[255 255]</dd><dt><span>FILL_FLAG :</span></dt><dd>0</dd><dt><span>firmware_version :</span></dt><dd>16.31</dd><dt><span>frequency :</span></dt><dd>1200</dd><dt><span>geospatial_bounds :</span></dt><dd>POINT(-70.72550201416016 41.63460159301758)</dd><dt><span>geospatial_bounds_crs :</span></dt><dd>4326</dd><dt><span>geospatial_vertical_max :</span></dt><dd>0.9303613</dd><dt><span>geospatial_vertical_min :</span></dt><dd>-6.569639</dd><dt><span>geospatial_vertical_positive :</span></dt><dd>up</dd><dt><span>geospatial_vertical_resolution :</span></dt><dd>0.50000002</dd><dt><span>geospatial_vertical_units :</span></dt><dd>m</dd><dt><span>heading_sensor :</span></dt><dd>YES</dd><dt><span>history :</span></dt><dd>Trimmed using trunc_cdf, SVN $Revision: 2554 $ to select records in the range 1 to 8992. :Transformed to earth coordinates by bm2geo, transformation matrix in 8591dlg;\n",
"\n",
" Written to an EPIC standard data file by adcp2ep SVN $Revision: 2075 $; \n",
"Bins were trimmed by trimbins SVN $Revision: 1664 $ based on depth sensor input information.\n",
"Converted to netCDF via MATLAB by rdi2cdf SVN $Revision: 2072 $\n",
"\n",
"2017-02-06T18:53:00Z - pyaxiom - File created using pyaxiom\n",
"2021-02-18T11:40:21Z (local files)\n",
"2021-02-18T11:40:21Z https://geoport.usgs.esipfed.org/erddap/griddap/adcp_grid_5d6e_e2f9_148d.das</dd><dt><span>id :</span></dt><dd>8591wh-a</dd><dt><span>infoUrl :</span></dt><dd>https://www.usgs.gov</dd><dt><span>initial_instrument_height :</span></dt><dd>1.25</dd><dt><span>initial_instrument_height_note :</span></dt><dd>height in meters above bottom: accurate for tripod mounted instruments</dd><dt><span>INST_TYPE :</span></dt><dd>RD Instruments ADCP</dd><dt><span>institution :</span></dt><dd>USGS Coastal and Marine Geology Program</dd><dt><span>janus :</span></dt><dd>4 Beam</dd><dt><span>keywords :</span></dt><dd>8591wh, 8591wh-a, agc, AGC_1202, average, CD_310, circulation, cmg, coastal, conductivity, CS_300, current, currents, data, density, direction, direction_of_sea_water_velocity, Earth Science &gt; Oceans &gt; Ocean Circulation &gt; Ocean Currents, Earth Science &gt; Oceans &gt; Ocean Pressure &gt; Water Pressure, Earth Science &gt; Oceans &gt; Ocean Temperature &gt; Water Temperature, Earth Science &gt; Oceans &gt; Salinity/Density &gt; Conductivity, Earth Science &gt; Oceans &gt; Salinity/Density &gt; Salinity, eastward, eastward_sea_water_velocity, echo, error, falmouth, fluxes, geological, geology, good, harbor, intensity, marine, northward, northward_sea_water_velocity, ocean, oceans, percent, PGd_1203, pings, pressure, program, salinity, sea, sea_water_speed, seawater, series, speed, states, statistics, survey, temperature, time, time-series, u, u_1205, united, upward, upward_sea_water_velocity, usgs, usgs-cmg, v, v_1206, velocity, w, w_1204, water, Werr_1201, west</dd><dt><span>keywords_vocabulary :</span></dt><dd>GCMD Science Keywords</dd><dt><span>lag_length :</span></dt><dd>53</dd><dt><span>latitude :</span></dt><dd>41.6346</dd><dt><span>license :</span></dt><dd>The data may be used and redistributed for free but is not intended\n",
"for legal use, since it may contain inaccuracies. Neither the data\n",
"Contributor, ERD, NOAA, nor the United States Government, nor any\n",
"of their employees or contractors, makes any warranty, express or\n",
"implied, including warranties of merchantability and fitness for a\n",
"particular purpose, or assumes any legal liability for the accuracy,\n",
"completeness, or usefulness, of this information.</dd><dt><span>longitude :</span></dt><dd>-70.7255</dd><dt><span>magnetic_variation_applied :</span></dt><dd>-15.0333</dd><dt><span>magnetic_variation_at_site :</span></dt><dd>-15.0333</dd><dt><span>minmax_percent_good :</span></dt><dd>[ 0 100]</dd><dt><span>modification_date :</span></dt><dd>06-Aug-2010 16:34:12</dd><dt><span>MOORING :</span></dt><dd>859.0</dd><dt><span>naming_authority :</span></dt><dd>gov.usgs.cmgp</dd><dt><span>ncei_template_version :</span></dt><dd>NCEI_NetCDF_TimeSeriesProfile_Orthogonal_Template_v2.0</dd><dt><span>nominal_sensor_depth :</span></dt><dd>7.6296387</dd><dt><span>nominal_sensor_depth_note :</span></dt><dd>inst_depth = (water_depth - inst_height); nominal depth below surface, meters</dd><dt><span>NOTE_1 :</span></dt><dd>transmit_pulse_length units are cm</dd><dt><span>NOTE_2 :</span></dt><dd>transmit_lag_distance units are cm</dd><dt><span>NOTE_3 :</span></dt><dd>bin depths are relative to the seabed</dd><dt><span>orientation :</span></dt><dd>UP</dd><dt><span>original_filename :</span></dt><dd>8591wh-a.nc</dd><dt><span>original_folder :</span></dt><dd>WFAL</dd><dt><span>pings_per_ensemble :</span></dt><dd>180</dd><dt><span>pitch_sensor :</span></dt><dd>YES</dd><dt><span>platform_type :</span></dt><dd>Tripod</dd><dt><span>POS_CONST :</span></dt><dd>0</dd><dt><span>pred_accuracy :</span></dt><dd>0.52</dd><dt><span>profiling_mode :</span></dt><dd>1</dd><dt><span>PROJECT :</span></dt><dd>USGS Coastal Marine Geology Program</dd><dt><span>project :</span></dt><dd>U.S. Geological Survey Oceanographic Time-Series Data</dd><dt><span>project_summary :</span></dt><dd>Oceanographic and water-quality observations made at six locations in West Falmouth Harbor and Buzzards Bay.</dd><dt><span>project_title :</span></dt><dd>West Falmouth Harbor Fluxes</dd><dt><span>publisher_email :</span></dt><dd>emontgomery@usgs.gov</dd><dt><span>publisher_name :</span></dt><dd>Ellyn Montgomery</dd><dt><span>publisher_phone :</span></dt><dd>+1 (508) 548-8700</dd><dt><span>publisher_url :</span></dt><dd>https://www.usgs.gov</dd><dt><span>Recovery_date :</span></dt><dd>9-Nov-2009</dd><dt><span>roll_sensor :</span></dt><dd>YES</dd><dt><span>salinity_set_by_user :</span></dt><dd>35.0</dd><dt><span>salinity_set_by_user_units :</span></dt><dd>PPT</dd><dt><span>SciPi :</span></dt><dd>N. Ganju</dd><dt><span>sensor_configuration :</span></dt><dd>1</dd><dt><span>serial_number :</span></dt><dd>6983</dd><dt><span>simulated_data :</span></dt><dd>0</dd><dt><span>Sound_speed_computed_from_ED_ES_ET :</span></dt><dd>YES</dd><dt><span>source :</span></dt><dd>USGS</dd><dt><span>sourceUrl :</span></dt><dd>(local files)</dd><dt><span>standard_name_vocabulary :</span></dt><dd>CF Standard Name Table v29</dd><dt><span>starting_water_layer :</span></dt><dd>1</dd><dt><span>summary :</span></dt><dd>United States Geological Survey (USGS)-CMG time-series data: West Falmouth Harbor Fluxes - 8591wh-a. USGS-CMG time-series data from West Falmouth Harbor Fluxes</dd><dt><span>temperature_sensor :</span></dt><dd>YES</dd><dt><span>time_between_ping_groups :</span></dt><dd>1.0</dd><dt><span>time_coverage_duration :</span></dt><dd>PT5394600S</dd><dt><span>time_coverage_end :</span></dt><dd>2009-11-09T14:44:36Z</dd><dt><span>time_coverage_start :</span></dt><dd>2009-09-08T04:14:36Z</dd><dt><span>title :</span></dt><dd>USGS-CMG time-series data: West Falmouth Harbor Fluxes, 8591wh-a</dd><dt><span>transducer_attached :</span></dt><dd>49</dd><dt><span>transducer_offset_from_bottom :</span></dt><dd>1.25</dd><dt><span>transform :</span></dt><dd>EARTH</dd><dt><span>transmit_lag_distance :</span></dt><dd>12</dd><dt><span>transmit_pulse_length_cm :</span></dt><dd>61</dd><dt><span>valid_correlation_range :</span></dt><dd>[ 64 255]</dd><dt><span>VAR_DESC :</span></dt><dd>bindist:ensemble:u:v:w:Werr:AGC:PGd:brange:Tx:SV:Hdg:Ptch:Roll:P:SDP</dd><dt><span>VAR_FILL :</span></dt><dd>1e+35</dd><dt><span>WATER_DEPTH :</span></dt><dd>8.879639</dd><dt><span>WATER_DEPTH_datum :</span></dt><dd>not yet assigned</dd><dt><span>WATER_DEPTH_source :</span></dt><dd>water depth = MSL from pressure sensor, by trimbins</dd></dl></div></li></ul></div></div>"
],
"text/plain": [
"<xarray.Dataset>\n",
"Dimensions: (altitude: 16, time: 8992)\n",
"Coordinates:\n",
" * time (time) datetime64[ns] 2009-09-08T04:14:36 ... 2009-11-09T14:44:36\n",
" * altitude (altitude) float32 -6.57 -6.07 -5.57 ... -0.06964 0.4304 0.9304\n",
"Data variables:\n",
" AGC_1202 (time, altitude) float32 ...\n",
" CD_310 (time, altitude) float32 ...\n",
" CS_300 (time, altitude) float32 ...\n",
" PGd_1203 (time, altitude) float32 ...\n",
" Werr_1201 (time, altitude) float32 ...\n",
" u_1205 (time, altitude) float32 ...\n",
" v_1206 (time, altitude) float32 ...\n",
" w_1204 (time, altitude) float32 ...\n",
"Attributes:\n",
" beam_angle: 20\n",
" beam_pattern: convex\n",
" beam_width: 2\n",
" beams_in_velocity_calculation: 4\n",
" bin_count: 37\n",
" bin_size: 0.5\n",
" blanking_distance: 0.44\n",
" cdm_data_type: Grid\n",
" center_first_bin: 1.06\n",
" code_repetitions: 5\n",
" COMPOSITE: 0\n",
" conductivity_sensor: NO\n",
" contributor_name: N. Ganju\n",
" contributor_role: principalInvestigator\n",
" Conventions: CF-1.6,ACDD-1.3, COARDS\n",
" COORD_SYSTEM: GEOGRAPHIC\n",
" creation_date: 01-Mar-2011 15:26:49\n",
" creator_email: rsignell@usgs.gov\n",
" creator_name: Rich Signell\n",
" creator_phone: +1 (508) 548-8700\n",
" creator_url: https://www.usgs.gov\n",
" DATA_CMNT: 1200 kHz ADCP on north micropod\n",
" DATA_ORIGIN: USGS WHSC Sed Trans Group\n",
" DATA_SUB_TYPE: MOORED\n",
" DATA_TYPE: ADCP\n",
" date_created: 2017-02-06T18:53:00Z\n",
" date_issued: 2017-02-06T18:53:00Z\n",
" date_metadata_modified: 2017-02-06T18:53:00Z\n",
" date_modified: 2017-02-06T18:53:00Z\n",
" DELTA_T: 600\n",
" Deployment_date: 13-Aug-2009\n",
" DEPTH_CONST: 0\n",
" depth_sensor: YES\n",
" DESCRIPT: Tripod at north Buzzards Bay Site\n",
" description: WFAL - 859 - 8591wh-a.nc\n",
" DRIFTER: 0\n",
" ED_taken_from_depth_sensor: YES\n",
" EH_taken_from_transducer_heading_sensor: YES\n",
" ending_water_layer: 5\n",
" EP_taken_from_transducer_pitch_sensor: YES\n",
" ER_taken_from_transducer_roll_sensor: YES\n",
" error_velocity_threshold: 2000\n",
" ET_taken_from_temperature_sensor: YES\n",
" EXPERIMENT: Buzzards Bay Ecosystem Studies\n",
" false_target_reject_values: [255 255]\n",
" FILL_FLAG: 0\n",
" firmware_version: 16.31\n",
" frequency: 1200\n",
" geospatial_bounds: POINT(-70.72550201416016 41.634...\n",
" geospatial_bounds_crs: 4326\n",
" geospatial_vertical_max: 0.9303613\n",
" geospatial_vertical_min: -6.569639\n",
" geospatial_vertical_positive: up\n",
" geospatial_vertical_resolution: 0.50000002\n",
" geospatial_vertical_units: m\n",
" heading_sensor: YES\n",
" history: Trimmed using trunc_cdf, SVN $...\n",
" id: 8591wh-a\n",
" infoUrl: https://www.usgs.gov\n",
" initial_instrument_height: 1.25\n",
" initial_instrument_height_note: height in meters above bottom: ...\n",
" INST_TYPE: RD Instruments ADCP\n",
" institution: USGS Coastal and Marine Geology...\n",
" janus: 4 Beam\n",
" keywords: 8591wh, 8591wh-a, agc, AGC_1202...\n",
" keywords_vocabulary: GCMD Science Keywords\n",
" lag_length: 53\n",
" latitude: 41.6346\n",
" license: The data may be used and redist...\n",
" longitude: -70.7255\n",
" magnetic_variation_applied: -15.0333\n",
" magnetic_variation_at_site: -15.0333\n",
" minmax_percent_good: [ 0 100]\n",
" modification_date: 06-Aug-2010 16:34:12\n",
" MOORING: 859.0\n",
" naming_authority: gov.usgs.cmgp\n",
" ncei_template_version: NCEI_NetCDF_TimeSeriesProfile_O...\n",
" nominal_sensor_depth: 7.6296387\n",
" nominal_sensor_depth_note: inst_depth = (water_depth - ins...\n",
" NOTE_1: transmit_pulse_length units are cm\n",
" NOTE_2: transmit_lag_distance units are cm\n",
" NOTE_3: bin depths are relative to the ...\n",
" orientation: UP\n",
" original_filename: 8591wh-a.nc\n",
" original_folder: WFAL\n",
" pings_per_ensemble: 180\n",
" pitch_sensor: YES\n",
" platform_type: Tripod\n",
" POS_CONST: 0\n",
" pred_accuracy: 0.52\n",
" profiling_mode: 1\n",
" PROJECT: USGS Coastal Marine Geology Pro...\n",
" project: U.S. Geological Survey Oceanogr...\n",
" project_summary: Oceanographic and water-quality...\n",
" project_title: West Falmouth Harbor Fluxes\n",
" publisher_email: emontgomery@usgs.gov\n",
" publisher_name: Ellyn Montgomery\n",
" publisher_phone: +1 (508) 548-8700\n",
" publisher_url: https://www.usgs.gov\n",
" Recovery_date: 9-Nov-2009\n",
" roll_sensor: YES\n",
" salinity_set_by_user: 35.0\n",
" salinity_set_by_user_units: PPT\n",
" SciPi: N. Ganju\n",
" sensor_configuration: 1\n",
" serial_number: 6983\n",
" simulated_data: 0\n",
" Sound_speed_computed_from_ED_ES_ET: YES\n",
" source: USGS\n",
" sourceUrl: (local files)\n",
" standard_name_vocabulary: CF Standard Name Table v29\n",
" starting_water_layer: 1\n",
" summary: United States Geological Survey...\n",
" temperature_sensor: YES\n",
" time_between_ping_groups: 1.0\n",
" time_coverage_duration: PT5394600S\n",
" time_coverage_end: 2009-11-09T14:44:36Z\n",
" time_coverage_start: 2009-09-08T04:14:36Z\n",
" title: USGS-CMG time-series data: West...\n",
" transducer_attached: 49\n",
" transducer_offset_from_bottom: 1.25\n",
" transform: EARTH\n",
" transmit_lag_distance: 12\n",
" transmit_pulse_length_cm: 61\n",
" valid_correlation_range: [ 64 255]\n",
" VAR_DESC: bindist:ensemble:u:v:w:Werr:AGC...\n",
" VAR_FILL: 1e+35\n",
" WATER_DEPTH: 8.879639\n",
" WATER_DEPTH_datum: not yet assigned\n",
" WATER_DEPTH_source: water depth = MSL from pressure..."
]
},
"execution_count": 16,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ds"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
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"</style><pre class='xr-text-repr-fallback'>&lt;xarray.DataArray &#x27;CS_300&#x27; (time: 8992, altitude: 16)&gt;\n",
"[143872 values with dtype=float32]\n",
"Coordinates:\n",
" * time (time) datetime64[ns] 2009-09-08T04:14:36 ... 2009-11-09T14:44:36\n",
" * altitude (altitude) float32 -6.57 -6.07 -5.57 ... -0.06964 0.4304 0.9304\n",
"Attributes:\n",
" ancillary_variables: platform\n",
" colorBarMaximum: 0.5\n",
" colorBarMinimum: 0.0\n",
" coverage_content_type: physicalMeasurement\n",
" epic_code: 300\n",
" grid_mapping: crs\n",
" ioos_category: Currents\n",
" long_name: Current speed\n",
" platform: platform\n",
" standard_name: sea_water_speed\n",
" units: m/s</pre><div class='xr-wrap' hidden><div class='xr-header'><div class='xr-obj-type'>xarray.DataArray</div><div class='xr-array-name'>'CS_300'</div><ul class='xr-dim-list'><li><span class='xr-has-index'>time</span>: 8992</li><li><span class='xr-has-index'>altitude</span>: 16</li></ul></div><ul class='xr-sections'><li class='xr-section-item'><div class='xr-array-wrap'><input id='section-b4121351-5df7-4cf7-9fa5-7c48e7784dd4' class='xr-array-in' type='checkbox' checked><label for='section-b4121351-5df7-4cf7-9fa5-7c48e7784dd4' title='Show/hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-array-preview xr-preview'><span>...</span></div><div class='xr-array-data'><pre>[143872 values with dtype=float32]</pre></div></div></li><li class='xr-section-item'><input id='section-fd9fbc8a-d317-432b-aa54-4bb9dfeb1bd6' class='xr-section-summary-in' type='checkbox' checked><label for='section-fd9fbc8a-d317-432b-aa54-4bb9dfeb1bd6' class='xr-section-summary' >Coordinates: <span>(2)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><ul class='xr-var-list'><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>time</span></div><div class='xr-var-dims'>(time)</div><div class='xr-var-dtype'>datetime64[ns]</div><div class='xr-var-preview xr-preview'>2009-09-08T04:14:36 ... 2009-11-...</div><input id='attrs-371c2795-4b3e-4f5f-84cc-2cfde444db36' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-371c2795-4b3e-4f5f-84cc-2cfde444db36' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-c3a3a579-5d9a-4601-bbaa-9c6d6fd1c2cc' class='xr-var-data-in' type='checkbox'><label for='data-c3a3a579-5d9a-4601-bbaa-9c6d6fd1c2cc' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_CoordinateAxisType :</span></dt><dd>Time</dd><dt><span>actual_range :</span></dt><dd>[1.25238328e+09 1.25777788e+09]</dd><dt><span>axis :</span></dt><dd>T</dd><dt><span>ioos_category :</span></dt><dd>Time</dd><dt><span>long_name :</span></dt><dd>time of measurement</dd><dt><span>standard_name :</span></dt><dd>time</dd><dt><span>time_origin :</span></dt><dd>01-JAN-1970 00:00:00</dd></dl></div><div class='xr-var-data'><pre>array([&#x27;2009-09-08T04:14:36.000000000&#x27;, &#x27;2009-09-08T04:24:36.000000000&#x27;,\n",
" &#x27;2009-09-08T04:34:36.000000000&#x27;, ..., &#x27;2009-11-09T14:24:36.000000000&#x27;,\n",
" &#x27;2009-11-09T14:34:36.000000000&#x27;, &#x27;2009-11-09T14:44:36.000000000&#x27;],\n",
" dtype=&#x27;datetime64[ns]&#x27;)</pre></div></li><li class='xr-var-item'><div class='xr-var-name'><span class='xr-has-index'>altitude</span></div><div class='xr-var-dims'>(altitude)</div><div class='xr-var-dtype'>float32</div><div class='xr-var-preview xr-preview'>-6.57 -6.07 -5.57 ... 0.4304 0.9304</div><input id='attrs-ec15daf8-814d-4e3e-96a0-5cf84a1630f7' class='xr-var-attrs-in' type='checkbox' ><label for='attrs-ec15daf8-814d-4e3e-96a0-5cf84a1630f7' title='Show/Hide attributes'><svg class='icon xr-icon-file-text2'><use xlink:href='#icon-file-text2'></use></svg></label><input id='data-5155cdfb-8d95-47ea-9b33-123717205cce' class='xr-var-data-in' type='checkbox'><label for='data-5155cdfb-8d95-47ea-9b33-123717205cce' title='Show/Hide data repr'><svg class='icon xr-icon-database'><use xlink:href='#icon-database'></use></svg></label><div class='xr-var-attrs'><dl class='xr-attrs'><dt><span>_CoordinateAxisType :</span></dt><dd>Height</dd><dt><span>_CoordinateZisPositive :</span></dt><dd>up</dd><dt><span>actual_range :</span></dt><dd>[-6.569639 0.9303613]</dd><dt><span>axis :</span></dt><dd>Z</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>ioos_category :</span></dt><dd>Location</dd><dt><span>long_name :</span></dt><dd>Altitude</dd><dt><span>positive :</span></dt><dd>up</dd><dt><span>standard_name :</span></dt><dd>altitude</dd><dt><span>units :</span></dt><dd>m</dd><dt><span>valid_max :</span></dt><dd>0.9303613</dd><dt><span>valid_min :</span></dt><dd>-6.5696387</dd></dl></div><div class='xr-var-data'><pre>array([-6.569639, -6.069639, -5.569639, -5.069639, -4.569639, -4.069639,\n",
" -3.569639, -3.069639, -2.569639, -2.069639, -1.569639, -1.069639,\n",
" -0.569639, -0.069639, 0.430361, 0.930361], dtype=float32)</pre></div></li></ul></div></li><li class='xr-section-item'><input id='section-c5fc7fe6-ec99-4508-b5b1-9a17f279696c' class='xr-section-summary-in' type='checkbox' ><label for='section-c5fc7fe6-ec99-4508-b5b1-9a17f279696c' class='xr-section-summary' >Attributes: <span>(11)</span></label><div class='xr-section-inline-details'></div><div class='xr-section-details'><dl class='xr-attrs'><dt><span>ancillary_variables :</span></dt><dd>platform</dd><dt><span>colorBarMaximum :</span></dt><dd>0.5</dd><dt><span>colorBarMinimum :</span></dt><dd>0.0</dd><dt><span>coverage_content_type :</span></dt><dd>physicalMeasurement</dd><dt><span>epic_code :</span></dt><dd>300</dd><dt><span>grid_mapping :</span></dt><dd>crs</dd><dt><span>ioos_category :</span></dt><dd>Currents</dd><dt><span>long_name :</span></dt><dd>Current speed</dd><dt><span>platform :</span></dt><dd>platform</dd><dt><span>standard_name :</span></dt><dd>sea_water_speed</dd><dt><span>units :</span></dt><dd>m/s</dd></dl></div></li></ul></div></div>"
],
"text/plain": [
"<xarray.DataArray 'CS_300' (time: 8992, altitude: 16)>\n",
"[143872 values with dtype=float32]\n",
"Coordinates:\n",
" * time (time) datetime64[ns] 2009-09-08T04:14:36 ... 2009-11-09T14:44:36\n",
" * altitude (altitude) float32 -6.57 -6.07 -5.57 ... -0.06964 0.4304 0.9304\n",
"Attributes:\n",
" ancillary_variables: platform\n",
" colorBarMaximum: 0.5\n",
" colorBarMinimum: 0.0\n",
" coverage_content_type: physicalMeasurement\n",
" epic_code: 300\n",
" grid_mapping: crs\n",
" ioos_category: Currents\n",
" long_name: Current speed\n",
" platform: platform\n",
" standard_name: sea_water_speed\n",
" units: m/s"
]
},
"execution_count": 17,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"ds['CS_300']"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"List items on a Requester Pays bucket"
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"['esip-qhub/noaa/nwm/.zattrs',\n",
" 'esip-qhub/noaa/nwm/.zgroup',\n",
" 'esip-qhub/noaa/nwm/.zmetadata',\n",
" 'esip-qhub/noaa/nwm/elevation',\n",
" 'esip-qhub/noaa/nwm/feature_id',\n",
" 'esip-qhub/noaa/nwm/latitude',\n",
" 'esip-qhub/noaa/nwm/longitude',\n",
" 'esip-qhub/noaa/nwm/order',\n",
" 'esip-qhub/noaa/nwm/qBtmVertRunoff',\n",
" 'esip-qhub/noaa/nwm/qBucket',\n",
" 'esip-qhub/noaa/nwm/qSfcLatRunoff',\n",
" 'esip-qhub/noaa/nwm/q_lateral',\n",
" 'esip-qhub/noaa/nwm/streamflow',\n",
" 'esip-qhub/noaa/nwm/time',\n",
" 'esip-qhub/noaa/nwm/velocity']"
]
},
"execution_count": 18,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"fs = fsspec.filesystem('s3', anon=False, requester_pays=True)\n",
"fs.ls('esip-qhub/noaa/nwm/')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Read Zarr dataset from a Requester Pays S3 bucket"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"In Zarr datasets, each chunk is a separate object, so instead of opening a file, we use a mapper"
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {},
"outputs": [],
"source": [
"ds = xr.open_zarr(fsspec.get_mapper('s3://esip-qhub/noaa/nwm', \n",
" anon=False, requester_pays=True), consolidated=True)"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"#### Write Zarr dataset to S3 using LocalCluster"
]
},
{
"cell_type": "code",
"execution_count": 20,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<table style=\"border: 2px solid white;\">\n",
"<tr>\n",
"<td style=\"vertical-align: top; border: 0px solid white\">\n",
"<h3 style=\"text-align: left;\">Client</h3>\n",
"<ul style=\"text-align: left; list-style: none; margin: 0; padding: 0;\">\n",
" <li><b>Scheduler: </b>tcp://127.0.0.1:38649</li>\n",
" <li><b>Dashboard: </b><a href='http://127.0.0.1:8787/status' target='_blank'>http://127.0.0.1:8787/status</a>\n",
"</ul>\n",
"</td>\n",
"<td style=\"vertical-align: top; border: 0px solid white\">\n",
"<h3 style=\"text-align: left;\">Cluster</h3>\n",
"<ul style=\"text-align: left; list-style:none; margin: 0; padding: 0;\">\n",
" <li><b>Workers: </b>4</li>\n",
" <li><b>Cores: </b>4</li>\n",
" <li><b>Memory: </b>7.52 GB</li>\n",
"</ul>\n",
"</td>\n",
"</tr>\n",
"</table>"
],
"text/plain": [
"<Client: 'tcp://127.0.0.1:38649' processes=4 threads=4, memory=7.52 GB>"
]
},
"execution_count": 20,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from dask.distributed import Client\n",
"client = Client()\n",
"client"
]
},
{
"cell_type": "code",
"execution_count": 21,
"metadata": {},
"outputs": [],
"source": [
"s3store = fsspec.get_mapper(f's3://esip-qhub/usgs/testing/zarr_test', \n",
" anon=False, profile='esip-qhub')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"Write first time step of Zarr dataset to Bucket"
]
},
{
"cell_type": "code",
"execution_count": 22,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"CPU times: user 7.35 s, sys: 890 ms, total: 8.24 s\n",
"Wall time: 1min 39s\n"
]
},
{
"data": {
"text/plain": [
"<xarray.backends.zarr.ZarrStore at 0x7fc82aac6640>"
]
},
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%%time\n",
"ds.isel(time=0).load().to_zarr(store=s3store, mode='w', consolidated=True) #fails without .load()"
]
},
{
"cell_type": "code",
"execution_count": 23,
"metadata": {},
"outputs": [],
"source": [
"client.close() # close the LocalCluster client "
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Write Zarr Dataset to S3 using a remote cluster\n",
"Here we spin up a Qhub Dask Gateway cluster."
]
},
{
"cell_type": "code",
"execution_count": 24,
"metadata": {},
"outputs": [
{
"data": {
"application/vnd.jupyter.widget-view+json": {
"model_id": "2443a5df25f145cdb6b3a8af56e7cfb3",
"version_major": 2,
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"VBox(children=(HTML(value='<h2>GatewayCluster</h2>'), HBox(children=(HTML(value='\\n<div>\\n<style scoped>\\n …"
]
},
"metadata": {},
"output_type": "display_data"
}
],
"source": [
"from dask_gateway import Gateway\n",
"from dask.distributed import Client\n",
"gateway = Gateway()\n",
"# see Gateway options to use in new_cluster by doing: gateway.cluster_options()\n",
"cluster = gateway.new_cluster(environment='pangeo', profile='Pangeo Worker') \n",
"cluster.scale(4)\n",
"client = Client(cluster)\n",
"cluster"
]
},
{
"cell_type": "code",
"execution_count": 25,
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"CPU times: user 2.66 s, sys: 435 ms, total: 3.09 s\n",
"Wall time: 1min 43s\n"
]
},
{
"data": {
"text/plain": [
"<xarray.backends.zarr.ZarrStore at 0x7fc82b0b27c0>"
]
},
"execution_count": 25,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"%%time\n",
"ds.isel(time=0).load().to_zarr(store=s3store, mode='w', consolidated=True) #fails without .load()"
]
},
{
"cell_type": "code",
"execution_count": 26,
"metadata": {},
"outputs": [],
"source": [
"client.close(); cluster.close()"
]
}
],
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"display_name": "Python [conda env:pangeo]",
"language": "python",
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"file_extension": ".py",
"mimetype": "text/x-python",
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