Dataset {
    Float32 ID[ID = 129];
    Float32 T[T = 2220];
    Grid {
     ARRAY:
        Int32 catch_area[ID = 129];
     MAPS:
        Float32 ID[ID = 129];
    } catch_area;
    Byte country[ID = 129][2];
    Grid {
     ARRAY:
        Int32 elev[ID = 129];
     MAPS:
        Float32 ID[ID = 129];
    } elev;
    Grid {
     ARRAY:
        Int32 first_water_year[ID = 129];
     MAPS:
        Float32 ID[ID = 129];
    } first_water_year;
    Grid {
     ARRAY:
        Float32 flow[ID = 129][T = 2220];
     MAPS:
        Float32 ID[ID = 129];
        Float32 T[T = 2220];
    } flow;
    Grid {
     ARRAY:
        Int32 GRDC_gauge_id[ID = 129];
     MAPS:
        Float32 ID[ID = 129];
    } GRDC_gauge_id;
    Grid {
     ARRAY:
        Int32 last_water_year[ID = 129];
     MAPS:
        Float32 ID[ID = 129];
    } last_water_year;
    Grid {
     ARRAY:
        Float32 lat[ID = 129];
     MAPS:
        Float32 ID[ID = 129];
    } lat;
    Grid {
     ARRAY:
        Float32 lon[ID = 129];
     MAPS:
        Float32 ID[ID = 129];
    } lon;
    Byte monthly_daily[ID = 129][2];
    Byte river[ID = 129][40];
    Byte station[ID = 129][41];
} river_flow;