Dataset {
    Float32 zlev[zlev = 1];
    Float32 Y[Y = 87];
    Grid {
     ARRAY:
        Float64 partial_Y[zlev = 1][Y = 87];
     MAPS:
        Float32 zlev[zlev = 1];
        Float32 Y[Y = 87];
    } partial_Y;
} partial_Y;