Dataset {
  Grid {
    ARRAY:
      Float32 st[time = 2400][lat = 1000][lon = 1000];
    MAPS:
      Float64 time[time = 2400];
      Float64 lat[lat = 1000];
      Float64 lon[lon = 1000];
  } st;
  Float64 time[time = 2400];
  Float64 lat[lat = 1000];
  Float64 lon[lon = 1000];
} public_data/Tohoku/NGSST;