NetCDF CDL sample for hydrological (flood simulation) data

sample.cdl

netcdf BP001 {
  dimensions:
    //lon = 519;
    lon = 13;
    //lat = 623;
    lat = 17;
    time = 39;
    nv = 2;
    bp = 1;
    ctime = 1;
    depth_threshold = 4;
    meshcode_level = 2;
    strlen = 16;

  variables:

    double lon(lon);
      lon:standard_name = "longitude";
      lon:long_name = "経度";
      lon:units = "degrees_east";

    double lat(lat);
      lat:standard_name = "latitude";
      lat:long_name = "緯度";
      lat:units = "degrees_north";

    short time(time);
      time:standard_name = "time";
      time:long_name = "時間";
      time:units = "minute since 1-1-1 0:0:0";
      time:calendar = "none";

    short depth(time, lat, lon);
      depth:standard_name = "flood_water_thickness";
      depth:long_name = "浸水深";
      depth:units = "m";
      depth:add_offset = 0.0;
      depth:scale_factor = 0.001;
      depth:valid_min = 0.0;
      depth:cell_methods = "time: point";

    short speed(time, lat, lon);
      speed:standard_name = "flood_water_speed";
      speed:long_name = "流速";
      speed:units = "m/s";
      speed:add_offset = 0.0;
      speed:scale_factor = 0.001;
      speed:valid_min = 0.0;
      speed:cell_methods = "time: point";

    short u(time, lat, lon);
      u:standard_name = "eastward_flood_water_velocity";
      u:long_name = "東西方向流速";
      u:units = "m/s";
      u:add_offset = 0.0;
      u:scale_factor = 0.001;
      u:cell_methods = "time: point";

    short v(time, lat, lon);
      v:standard_name = "northward_flood_water_velocity";
      v:long_name = "南北方向流速";
      v:units = "m/s";
      v:add_offset = 0.0;
      v:scale_factor = 0.001;
      v:cell_methods = "time: point";

    double ctimebnd(ctime, nv);
      ctimebnd:standard_name = "time";
      ctimebnd:long_name = "氾濫計算期間の両端";
      ctimebnd:units = "minute since 1-1-1 0:0:0";

    double ctime(ctime);
      ctime:standard_name = "time";
      ctime:long_name = "氾濫計算期間についての最大";
      ctime:units = "minute since 1-1-1 0:0:0";
      ctime:bounds = "ctimebnd";
      ctime:calendar = "none";

    int bpbnd(bp, nv);
      bpbnd:standard_name = "realization";
      bpbnd:long_name = "破堤点番号の両端";
      bpbnd:units = "1";

    int bp(bp);
      bp:standard_name = "realization";
      bp:long_name = "破堤点番号についての最大";
      bp:bounds = "bpbnd";
      bp:units = "1";

    short depthMax(ctime, bp, lat, lon);
      depthMax:standard_name = "flood_water_thickness";
      depthMax:long_name = "最大浸水深";
      depthMax:units = "m";
      depthMax:add_offset = 0.0;
      depthMax:scale_factor = 0.001;
      depthMax:valid_min = 0.0;
      depthMax:cell_methods = "ctime: maximum bp: maximum";

    short speedMax(ctime, bp, lat, lon);
      speedMax:standard_name = "flood_water_speed";
      speedMax:long_name = "最大流速";
      speedMax:units = "m/s";
      speedMax:add_offset = 0.0;
      speedMax:scale_factor = 0.001;
      speedMax:valid_min = 0.0;
      speedMax:cell_methods = "ctime: maximum bp: maximum";

    float glev(lat, lon);
      glev:standard_name = "ground_level_altitude";
      glev:long_name = "地盤高標高";
      glev:units = "m";
      glev:valid_min = -100.0f;

    int tArrival(lat, lon);
      tArrival:coordinates = "depth_threshold0";
      tArrival:standard_name = "time_when_flood_water_rises_above_threshold";
      tArrival:long_name = "浸水開始時間";
      tArrival:units = "minute";
      tArrival:valid_min = 0;

    int tMax(lat, lon);
      tMax:standard_name = "time_of_maximum_flood_depth";
      tMax:long_name = "最大浸水発生時間";
      tMax:units = "minute";
      tMax:valid_min = 0;

    float depth_threshold(depth_threshold);
      depth_threshold:standard_name = "flood_water_thickness";
      depth_threshold:long_name = "排水時間のしきい値浸水深";
      depth_threshold:units = "m";

    short tDrain(depth_threshold, lat, lon);
      tDrain:standard_name = "time_when_flood_water_falls_below_threshold";
      tDrain:long_name = "排水時間";
      tDrain:units = "minute";
      tDrain:scale_factor = 10.0;
      tDrain:valid_min = 0.0;

    float depth_threshold0;
      depth_threshold0:standard_name = "flood_water_thickness";
      depth_threshold0:long_name = "浸水開始時間のしきい値浸水深";
      depth_threshold0:units = "m";

    float depth_threshold50;
      depth_threshold50:standard_name = "flood_water_thickness";
      depth_threshold50:long_name = "浸水継続時間のしきい値浸水深";
      depth_threshold50:units = "m";

    short t50duration(lat, lon);
      t50duration:coordinates = "depth_threshold50";
      t50duration:standard_name = "flood_water_duration_above_threshold";
      t50duration:long_name = "0.5m 浸水継続時間";
      t50duration:units = "minute";
      t50duration:scale_factor = 10.0;
      t50duration:valid_min = 0.0;

    char meshcode_level_name(meshcode_level, strlen);
      meshcode_level_name:long_name = "メッシュコード割当機関";

    int meshcode(meshcode_level, lat, lon);
      meshcode:units = "1";
      meshcode:standard_name = "platform_name";
      meshcode:long_name = "メッシュコード";
      meshcode:valid_min = 0;

    byte dzone(lat, lon);
      dzone:long_name = "危険区域種別";
      dzone:units = "1";
      dzone:valid_min = 0b;
      dzone:valid_max = 3b;
      dzone:flag_masks = 1b, 2b;
      dzone:flag_meanings = "swept_away undermined";

 // global attributes:
 :title = "Flood simulation for *** River (breach at 2.2 km left bank)";
 :Conventions = "CF-1.6";
 :institution = "*** River Office, *** Regional Development Bureau";
 :history = "2014-03-14 00:00:00 +9:00 Created";
 :source = "*** Analysis system by *** Consultants K.K.";
 :references = "Flood area simulation report for *** River, *** Consultants, /date/";
 :breakpoint_id = "BP001";
 :breakpoint_position_center_lat = 32.773755;
 :breakpoint_position_center_lon = 130.627762;
 :breakpoint_position_name = "2.2 km left bank";
 :breakpoint_waterlevelobservatory_name = "*** bridge";
 :breakpoint_waterlevelobservatory_office_code = 12345;
 :breakpoint_waterlevelobservatory_code = 67890;
 :breakpoint_waterlevelobservatory_river_name = "*** River";

 data:

 lon = 130.5940625, 130.5943750, 130.5946875, 130.5950000, 130.5953125,
  130.5956250, 130.5959375, 130.5962500, 130.5965625, 130.5968750,
  130.5971875, 130.5975000, 130.5978125;
 lat = 32.7093750, 32.7095833, 32.7097917, 32.7100000, 32.7102083,
  32.7104167, 32.7106250, 32.7108333, 32.7110417, 32.7112500,
  32.7114583, 32.7116667, 32.7118750, 32.7120833, 32.7122917, 32.7125000, 32.7127083;
 time = 0, 10, 20, 30, 40, 50, 60, 70, 80, 90,
  100, 110, 120, 130, 140, 150, 160, 170, 180, 190,
  200, 210, 220, 230, 240, 250, 260, 270, 280, 290,
  300, 310, 320, 330, 340, 350, 360, 370, 380;
 depth_threshold = 0.5, 0.3, 0.05, 0.01;
 depth_threshold0 = 0.0;
 depth_threshold50 = 0.5;
 meshcode_level_name = "JISX0410:2002", "MLIT/WDMB";
 ctime = 1440.0;
 ctimebnd = 0.0, 1440.0;
 bp = 0; // dummy
 bpbnd = 0, 171;

}