netcdf MODIS_snowline/raster/2009_snowline.nc {
  dimensions:
    yc = 2010;
    xc = 2180;
    time = UNLIMITED;   // (1 currently)
  variables:
    int Polar_Stereographic_Grid;
      :grid_mapping_name = "polar_stereographic";
      :earth_shape = "elliptical";
      :straight_vertical_longitude_from_pole = 0.0f; // float
      :latitude_of_projection_origin = 90.0f; // float
      :standard_parallel = 60.0f; // float
      :false_easting = 0.0f; // float
      :false_northing = 0.0f; // float
      :proj4_string = "+proj=stere +ellps=WGS84 +datum=WGS84 +lon_0=0.0 +lat_0=90.0 +lat_ts=60.0";

    float yc(yc=2010);
      :axis = "Y";
      :units = "m";
      :long_name = "y coordinate of projection (northings)";
      :standard_name = "projection_y_coordinate";
      :grid_spacing = "1000 m";

    float xc(xc=2180);
      :axis = "X";
      :units = "m";
      :long_name = "x coordinate of projection (eastings)";
      :standard_name = "projection_x_coordinate";
      :grid_spacing = "1000 m";

    double time(time=1);
      :units = "seconds since 1970-01-01 00:00:00";
      :bounds = "time_bounds";
      :axis = "T";
      :standard_name = "time";

    float lat(yc=2010, xc=2180);
      :standard_name = "latitude";
      :long_name = "latitude coordinate";
      :units = "degrees north";

    float lon(yc=2010, xc=2180);
      :standard_name = "longitude";
      :long_name = "longitude coordinate";
      :units = "degrees east";

    float snowline(time=1, yc=2010, xc=2180);
      :units = "1";
      :coordinates = "lon lat";
      :grid_mapping = "Polar_Stereographic_Grid";
      :comment = " 2 = ocean, 5 = land, 3 = cloud, 4 = No data, 11 = ice, 14 = snow";

    float nobs(time=1, yc=2010, xc=2180);
      :units = "1";
      :coordinates = "lon lat";
      :grid_mapping = "Polar_Stereographic_Grid";
      :comment = "Number of classifications based on snowline";

  // global attributes:
  :title = "Greenland Surface Type Product";
  :abstract = "Greenland surface type using MODIS";
  :topiccategory = "ClimatologyMeteorologyAtmosphere";
  :keywords = "Greenland ice sheet,Snow Cover,Terrestrial Snow,Meteorology,Climate,Remote Sensing";
  :gcmd_keywords = "Climate indicator";
  :activity_type = "Space borne instrument";
  :Conventions = "CF-1.0";
  :product_name = "greenland_surface_type";
  :history = "Monthly products comprising april to september from 2000-2014";
  :area = "Greenland Ice Sheet";
  :southernmost_latitude = 58.932407f; // float
  :northernmost_latitude = 86.39557f; // float
  :westernmost_longitude = -81.73283f; // float
  :easternmost_longitude = -3.894978f; // float
  :start_date = "2009-08-01 00:00:00";
  :stop_date = "2009-08-31 00:00:00";
  :institution = "Geological Survey of Denmark and Greenland (GEUS)";
  :PI_name = "CryoClim Snow and Ice Manager";
  :contact = "Robert S. Fausto, rsf@geus.dk";
  :distribution_statement = "Free";
  :project_name = "CryoClim";
  :Source = "Moderate Resolution Imaging Spectroradiometer (MODIS)";
  :Comments = "Monthly surface type classification for the Greenland Ice Sheet";
  :References = "Fausto et al. 2007";
  :Sampling_Period = "daily";
  :MapProjection = "PolarStereographic";
  :Spheroid = "WGS84";
  :Datum = "WGS84";
  :LongitudeBelowPoleOfMap = " 0 E";
  :LatitudeOfTrueScale = " 90 N";
  :FalseEasting = " 0";
  :FalseNorthing = " 0";
  :CoordinateSystemUnit = "m";
  :PixelSize = " 1000.0";
  :PixelSizeUnit = "m";
  :NumberOfColumns = " 2180";
  :NumberOfRows = " 2010";
  :NumberOfBands = " 5";
  :SensorType = " MODIS (from AQUA and TERRA)";
  :DataType = " Product classification";
  :BandNames = "{snowline, ncounts}";
}