Dataset {
    Float32 zlev[zlev = 1];
    Float32 Y[Y = 88];
    Grid {
     ARRAY:
        Float64 partial_X[zlev = 1][Y = 88];
     MAPS:
        Float32 zlev[zlev = 1];
        Float32 Y[Y = 88];
    } partial_X;
} partial_X;