Dataset {
  Grid {
    ARRAY:
      Float32 sfdate[time = 40][lat = 1][lon = 106];
    MAPS:
      Float64 time[time = 40];
      Float64 lat[lat = 1];
      Float64 lon[lon = 106];
  } sfdate;
  Grid {
    ARRAY:
      Float32 efdate[time = 40][lat = 1][lon = 106];
    MAPS:
      Float64 time[time = 40];
      Float64 lat[lat = 1];
      Float64 lon[lon = 106];
  } efdate;
  Float64 time[time = 40];
  Float64 lat[lat = 1];
  Float64 lon[lon = 106];
} gswp/field/HIRDR_freeze_yr;