Dataset {
    Float32 zlev[zlev = 1];
    Float32 T[T = 1966];
    Grid {
     ARRAY:
        Float64 partial_X[T = 1966][zlev = 1];
     MAPS:
        Float32 T[T = 1966];
        Float32 zlev[zlev = 1];
    } partial_X;
} partial_X;