Dataset {
    Float32 X[X = 180];
    Float32 T[T = 1937];
    Float32 zlev[zlev = 1];
    Grid {
     ARRAY:
        Float64 partial_X[T = 1937][zlev = 1][X = 180];
     MAPS:
        Float32 T[T = 1937];
        Float32 zlev[zlev = 1];
        Float32 X[X = 180];
    } partial_X;
} partial_X;