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Last active December 10, 2023 14:30
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ee_landsat_8_mean_composite
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{
"cells": [
{
"cell_type": "markdown",
"metadata": {
"id": "view-in-github",
"colab_type": "text"
},
"source": [
"<a href=\"https://colab.research.google.com/gist/jdbcode/794875b4fb7f28bf5ec6eee5e917e0c9/ee_landsat_8_mean_composite.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {
"id": "lIYdn1woOS1n"
},
"outputs": [],
"source": [
"import ee\n",
"import geemap\n",
"geemap.ee_initialize()"
]
},
{
"cell_type": "code",
"source": [
"def prepare_sr(image):\n",
" qa_mask = image.select('QA_PIXEL').bitwiseAnd(int('11111', 2)).eq(0)\n",
" optical_bands = image.select('SR_B.').multiply(0.0000275).add(-0.2)\n",
" return image.select().addBands(optical_bands).updateMask(qa_mask)\n",
"\n",
"composite = ee.ImageCollection('LANDSAT/LC08/C02/T1_L2').filterDate(\n",
" '2020-06-01', '2021-10-01').map(prepare_sr).mean()\n",
"\n",
"m = geemap.Map()\n",
"m.set_center(-122.3645, 37.7978, 12)\n",
"m.add_layer(composite, {'bands': ['SR_B4', 'SR_B3', 'SR_B2'], 'min': 0, 'max': 0.3})\n",
"m"
],
"metadata": {
"id": "PSThvVd7VYKU"
},
"execution_count": null,
"outputs": []
}
],
"metadata": {
"colab": {
"name": "ee_landsat_8_mean_composite.ipynb",
"provenance": [],
"include_colab_link": true
},
"kernelspec": {
"display_name": "Python 3",
"name": "python3"
}
},
"nbformat": 4,
"nbformat_minor": 0
}
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