Dataset {
    Grid {
      Array:
        Int16 elevation[lat = 21600][lon = 43200];
      Maps:
        Float64 lat[lat = 21600];
        Float64 lon[lon = 43200];
    } elevation;
    Float64 lat[lat = 21600];
    Float64 lon[lon = 43200];
} GEBCO_2014_2D.nc;