Dataset {
    Float64 s_rho[s_rho = 32];
    Float64 eta_rho[eta_rho = 324];
    Grid {
     ARRAY:
        Float64 salt[s_rho = 32][eta_rho = 324];
     MAPS:
        Float64 s_rho[s_rho = 32];
        Float64 eta_rho[eta_rho = 324];
    } salt;
} salt;