netcdf IVData/IV_ROTR_Agg.nc {
  dimensions:
    y = 13500;
    x = 7500;
    bnds = 2;
    time = 15;
  variables:
    char crs;
      :grid_mapping_name = "polar_stereographic";
      :standard_parallel = 70.0; // double
      :longitude_of_prime_meridian = 0.0; // double
      :straight_vertical_longitude_from_pole = -45.0; // double
      :semi_major_axis = 6378137.0; // double
      :inverse_flattening = 298.257223563; // double
      :latitude_of_projection_origin = 90.0; // double
      :false_easting = 0.0; // double
      :false_northing = 0.0; // double

    double y(y=13500);
      :units = "m";
      :axis = "Y";
      :long_name = "y coordinate of projection";
      :standard_name = "projection_y_coordinate";

    double x(x=7500);
      :units = "m";
      :axis = "X";
      :long_name = "x coordinate of projection";
      :standard_name = "projection_x_coordinate";

    double time(time=15);
      :standard_name = "time";
      :units = "days since 1990-1-1 0:0:0";
      :long_name = "Midpoint time of acquisitons used";
      :bounds = "time_bnds";
      :calendar = "standard";
      :_ChunkSizes = 512U; // uint

    double time_bnds(time=15, bnds=2);
      :units = "days since 1990-1-1 0:0:0";
      :_ChunkSizes = 1U, 2U; // uint

    float land_ice_surface_easting_velocity(time=15, y=13500, x=7500);
      :_FillValue = 1.0E20f; // float
      :units = "m/day";
      :description = "easting ice velocity";
      :grid_mapping = "crs";
      :coordinates = "time y x";
      :cell_methods = "time: mean (weighted average (based on error estimates) over contributing acquisitons)";
      :missing_value = 1.0E20f; // float
      :long_name = "easting ice velocity";
      :standard_name = "land_ice_surface_x_velocity";
      :_ChunkSizes = 1U, 2700U, 1500U; // uint

    float land_ice_surface_northing_velocity(time=15, y=13500, x=7500);
      :_FillValue = 1.0E20f; // float
      :units = "m/day";
      :description = "northing ice velocity";
      :grid_mapping = "crs";
      :coordinates = "time y x";
      :cell_methods = "time: mean (weighted average (based on error estimates) over contributing acquisitons)";
      :missing_value = 1.0E20f; // float
      :long_name = "northing ice velocity";
      :standard_name = "land_ice_surface_y_velocity";
      :_ChunkSizes = 1U, 2700U, 1500U; // uint

    float land_ice_surface_vertical_velocity(time=15, y=13500, x=7500);
      :_FillValue = 1.0E20f; // float
      :units = "m/day";
      :standard_name = "land_ice_surface_vertical_velocity";
      :grid_mapping = "crs";
      :coordinates = "time y x";
      :cell_methods = "time: mean (weighted average (based on error estimates) over contributing acquisitons)";
      :missing_value = 1.0E20f; // float
      :description = "vertical velocity derived assuming surface parallel flow";
      :long_name = "vertical velocity derived assuming surface parallel flow";
      :_ChunkSizes = 1U, 2700U, 1500U; // uint

    float land_ice_surface_velocity_magnitude(time=15, y=13500, x=7500);
      :_FillValue = 1.0E20f; // float
      :units = "m/day";
      :description = "magnitude of horizontal ice velocity";
      :standard_name = "land_ice_surface_velocity_magnitude";
      :grid_mapping = "crs";
      :coordinates = "time y x";
      :cell_methods = "time: mean (weighted average (based on error estimates) over contributing acquisitons)";
      :missing_value = 1.0E20f; // float
      :long_name = "magnitude of horizontal ice velocity";
      :_ChunkSizes = 1U, 2700U, 1500U; // uint

    float land_ice_surface_easting_velocity_std(time=15, y=13500, x=7500);
      :_FillValue = 1.0E20f; // float
      :units = "m/day";
      :description = "easting ice velocity error estimate ";
      :grid_mapping = "crs";
      :coordinates = "time y x";
      :cell_methods = "time: mean (weighted average (based on error estimates) over contributing acquisitons)";
      :missing_value = 1.0E20f; // float
      :long_name = "easting ice velocity error estimate ";
      :standard_name = "land_ice_surface_x_velocity standard_error";
      :_ChunkSizes = 1U, 2700U, 1500U; // uint

    float land_ice_surface_northing_velocity_std(time=15, y=13500, x=7500);
      :_FillValue = 1.0E20f; // float
      :units = "m/day";
      :description = "northing ice velocity error estimate";
      :grid_mapping = "crs";
      :coordinates = "time y x";
      :cell_methods = "time: mean (weighted average (based on error estimates) over contributing acquisitons)";
      :missing_value = 1.0E20f; // float
      :long_name = "northing ice velocity error estimate";
      :standard_name = "land_ice_surface_y_velocity standard_error";
      :_ChunkSizes = 1U, 2700U, 1500U; // uint

    float land_ice_surface_velocity_magnitude_std(time=15, y=13500, x=7500);
      :_FillValue = 1.0E20f; // float
      :units = "m/day";
      :description = "horizontal ice velocity error magnitude estimate";
      :standard_name = "land_ice_surface_velocity_magnitude_std";
      :grid_mapping = "crs";
      :coordinates = "time y x";
      :cell_methods = "time: mean (weighted average (based on error estimates) over contributing acquisitons)";
      :missing_value = 1.0E20f; // float
      :long_name = "horizontal ice velocity error magnitude estimate";
      :_ChunkSizes = 1U, 2700U, 1500U; // uint

  // global attributes:
  :Conventions = "CF-1.5";
  :time_coverage_start = "2025-12-06";
  :time_coverage_end = "2025-12-30";
  :sensors_used = "Sentinel-1A,Sentinel-1C";
  :institution = "GEUS";
  :methods_used = "Offset-tracking";
  :calibration_method = "None";
  :title = "Greenland Ice Velocity from 2025-12-06 to 2025-12-30";
  :summary = "Greenland Ice Velocity from Sentinel-1 offset tracking for the period 2025-12-06 to 2025-12-30";
  :product_version = "1.0";
}