Dataset {
  Grid {
    ARRAY:
      Float32 z0surf[time = 12][lat = 150][lon = 360];
    MAPS:
      Float64 time[time = 12];
      Float64 lat[lat = 150];
      Float64 lon[lon = 360];
  } z0surf;
  Float64 time[time = 12];
  Float64 lat[lat = 150];
  Float64 lon[lon = 360];
} gswp/grid/annual/z0surf_uk;