Dataset {
    Float32 Y[Y = 120];
    Float32 X[X = 90];
    Float32 T[T = 12];
    Grid {
     ARRAY:
        Float32 ssha[T = 12][Y = 120][X = 90];
     MAPS:
        Float32 T[T = 12];
        Float32 Y[Y = 120];
        Float32 X[X = 90];
    } ssha;
} ssha;