{
    "Header": {
        "data_specs_version": "01.00.33", 
        "cmor_version": "3.5", 
        "table_id": "Table Ofx", 
        "realm": "ocean", 
        "table_date": "18 November 2020", 
        "missing_value": "1e20", 
        "int_missing_value": "-999", 
        "product": "model-output", 
        "approx_interval": "0.00000", 
        "generic_levels": "olevel", 
        "mip_era": "CMIP6", 
        "Conventions": "CF-1.7 CMIP-6.2"
    }, 
    "variable_entry": {
        "areacello": {
            "frequency": "fx", 
            "modeling_realm": "ocean", 
            "standard_name": "cell_area", 
            "units": "m2", 
            "cell_methods": "area: sum", 
            "cell_measures": "", 
            "long_name": "Grid-Cell Area for Ocean Variables", 
            "comment": "Horizontal area of ocean grid cells", 
            "dimensions": "longitude latitude", 
            "out_name": "areacello", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "basin": {
            "frequency": "fx", 
            "modeling_realm": "ocean", 
            "standard_name": "region", 
            "units": "1", 
            "cell_methods": "area: mean", 
            "cell_measures": "area: areacello", 
            "long_name": "Region Selection Index", 
            "comment": "A variable with the standard name of region contains strings which indicate geographical regions. These strings must be chosen from the standard region list.", 
            "dimensions": "longitude latitude", 
            "out_name": "basin", 
            "type": "integer", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "flag_values": "0 1 2 3 4 5 6 7 8 9 10", 
            "flag_meanings": "global_land southern_ocean atlantic_ocean pacific_ocean arctic_ocean indian_ocean mediterranean_sea black_sea hudson_bay baltic_sea red_sea", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "deptho": {
            "frequency": "fx", 
            "modeling_realm": "ocean", 
            "standard_name": "sea_floor_depth_below_geoid", 
            "units": "m", 
            "cell_methods": "area: mean where sea", 
            "cell_measures": "area: areacello", 
            "long_name": "Sea Floor Depth Below Geoid", 
            "comment": "Ocean bathymetry.   Reported here is the sea floor depth for present day relative to z=0 geoid. Reported as missing for land grid cells.", 
            "dimensions": "longitude latitude", 
            "out_name": "deptho", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hfgeou": {
            "frequency": "fx", 
            "modeling_realm": "ocean", 
            "standard_name": "upward_geothermal_heat_flux_at_sea_floor", 
            "units": "W m-2", 
            "cell_methods": "area: mean where sea", 
            "cell_measures": "area: areacello", 
            "long_name": "Upward Geothermal Heat Flux at Sea Floor", 
            "comment": "Upward geothermal heat flux per unit area on the sea floor", 
            "dimensions": "longitude latitude", 
            "out_name": "hfgeou", 
            "type": "real", 
            "positive": "up", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "masscello": {
            "frequency": "fx", 
            "modeling_realm": "ocean", 
            "standard_name": "sea_water_mass_per_unit_area", 
            "units": "kg m-2", 
            "cell_methods": "area: sum", 
            "cell_measures": "area: areacello volume: volcello", 
            "long_name": "Ocean Grid-Cell Mass per Area", 
            "comment": "Tracer grid-cell mass per unit area used for computing tracer budgets. For Boussinesq models with static ocean grid cell thickness, masscello = rhozero*thickcello, where thickcello is static cell thickness and rhozero is constant Boussinesq reference density. More generally, masscello is time dependent and reported as part of Omon.", 
            "dimensions": "longitude latitude olevel", 
            "out_name": "masscello", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sftof": {
            "frequency": "fx", 
            "modeling_realm": "ocean", 
            "standard_name": "sea_area_fraction", 
            "units": "%", 
            "cell_methods": "area: mean", 
            "cell_measures": "area: areacello", 
            "long_name": "Sea Area Percentage", 
            "comment": "Percentage of horizontal area occupied by ocean.", 
            "dimensions": "longitude latitude", 
            "out_name": "sftof", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "thkcello": {
            "frequency": "fx", 
            "modeling_realm": "ocean", 
            "standard_name": "cell_thickness", 
            "units": "m", 
            "cell_methods": "area: mean", 
            "cell_measures": "area: areacello volume: volcello", 
            "long_name": "Ocean Model Cell Thickness", 
            "comment": "'Thickness' means the vertical extent of a layer. 'Cell' refers to a model grid-cell.", 
            "dimensions": "longitude latitude olevel", 
            "out_name": "thkcello", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "ugrido": {
            "frequency": "fx", 
            "modeling_realm": "ocean", 
            "standard_name": "longitude", 
            "units": "", 
            "cell_methods": "", 
            "cell_measures": "--UGRID", 
            "long_name": "UGRID Grid Specification", 
            "comment": "Ony required for models with unstructured grids: this label should be used for a file containing information about the grid structure, following the UGRID convention.", 
            "dimensions": "longitude latitude", 
            "out_name": "ugrido", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "volcello": {
            "frequency": "fx", 
            "modeling_realm": "ocean", 
            "standard_name": "ocean_volume", 
            "units": "m3", 
            "cell_methods": "area: sum", 
            "cell_measures": "area: areacello volume: volcello", 
            "long_name": "Ocean Grid-Cell Volume", 
            "comment": "grid-cell volume ca. 2000.", 
            "dimensions": "longitude latitude olevel", 
            "out_name": "volcello", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }
    }
}
