{
    "Header": {
        "data_specs_version": "01.00.33", 
        "cmor_version": "3.5", 
        "table_id": "Table SIday", 
        "realm": "seaIce", 
        "table_date": "18 November 2020", 
        "missing_value": "1e20", 
        "int_missing_value": "-999", 
        "product": "model-output", 
        "approx_interval": "1.00000", 
        "generic_levels": "", 
        "mip_era": "CMIP6", 
        "Conventions": "CF-1.7 CMIP-6.2"
    }, 
    "variable_entry": {
        "siconc": {
            "frequency": "day", 
            "modeling_realm": "seaIce", 
            "standard_name": "sea_ice_area_fraction", 
            "units": "%", 
            "cell_methods": "area: mean where sea time: mean", 
            "cell_measures": "area: areacello", 
            "long_name": "Sea-Ice Area Percentage (Ocean Grid)", 
            "comment": "Percentage of grid cell covered by sea ice", 
            "dimensions": "longitude latitude time typesi", 
            "out_name": "siconc", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "siconca": {
            "frequency": "day", 
            "modeling_realm": "seaIce", 
            "standard_name": "sea_ice_area_fraction", 
            "units": "%", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Sea-Ice Area Percentage (Atmospheric Grid)", 
            "comment": "Percentage of grid cell covered by sea ice", 
            "dimensions": "longitude latitude time typesi", 
            "out_name": "siconca", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sisnthick": {
            "frequency": "day", 
            "modeling_realm": "seaIce", 
            "standard_name": "surface_snow_thickness", 
            "units": "m", 
            "cell_methods": "area: mean where snow over sea_ice area: time: mean where sea_ice", 
            "cell_measures": "area: areacello", 
            "long_name": "Snow Thickness", 
            "comment": "Actual thickness of snow (snow volume divided by snow-covered area)", 
            "dimensions": "longitude latitude time", 
            "out_name": "sisnthick", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sispeed": {
            "frequency": "day", 
            "modeling_realm": "seaIce", 
            "standard_name": "sea_ice_speed", 
            "units": "m s-1", 
            "cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", 
            "cell_measures": "area: areacello", 
            "long_name": "Sea-Ice Speed", 
            "comment": "Speed of ice (i.e. mean absolute velocity) to account for back-and-forth movement of the ice", 
            "dimensions": "longitude latitude time", 
            "out_name": "sispeed", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sitemptop": {
            "frequency": "day", 
            "modeling_realm": "seaIce", 
            "standard_name": "sea_ice_surface_temperature", 
            "units": "K", 
            "cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", 
            "cell_measures": "area: areacello", 
            "long_name": "Surface Temperature of Sea Ice", 
            "comment": "Report surface temperature of snow where snow covers the sea ice.", 
            "dimensions": "longitude latitude time", 
            "out_name": "sitemptop", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sithick": {
            "frequency": "day", 
            "modeling_realm": "seaIce ocean", 
            "standard_name": "sea_ice_thickness", 
            "units": "m", 
            "cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", 
            "cell_measures": "area: areacello", 
            "long_name": "Sea Ice Thickness", 
            "comment": "Actual (floe) thickness of sea ice (NOT volume divided by grid area as was done in CMIP5)", 
            "dimensions": "longitude latitude time", 
            "out_name": "sithick", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sitimefrac": {
            "frequency": "day", 
            "modeling_realm": "seaIce", 
            "standard_name": "fraction_of_time_with_sea_ice_area_fraction_above_threshold", 
            "units": "1", 
            "cell_methods": "area: mean where sea time: mean", 
            "cell_measures": "area: areacello", 
            "long_name": "Fraction of Time Steps with Sea Ice", 
            "comment": "Fraction of time steps of the averaging period during which sea ice is present (siconc >0 ) in a grid cell", 
            "dimensions": "longitude latitude time", 
            "out_name": "sitimefrac", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "siu": {
            "frequency": "day", 
            "modeling_realm": "seaIce", 
            "standard_name": "sea_ice_x_velocity", 
            "units": "m s-1", 
            "cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", 
            "cell_measures": "--MODEL", 
            "long_name": "X-Component of Sea-Ice Velocity", 
            "comment": "The x-velocity of ice on native model grid", 
            "dimensions": "longitude latitude time", 
            "out_name": "siu", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "siv": {
            "frequency": "day", 
            "modeling_realm": "seaIce", 
            "standard_name": "sea_ice_y_velocity", 
            "units": "m s-1", 
            "cell_methods": "area: time: mean where sea_ice (comment: mask=siconc)", 
            "cell_measures": "--MODEL", 
            "long_name": "Y-Component of Sea-Ice Velocity", 
            "comment": "The y-velocity of ice on native model grid", 
            "dimensions": "longitude latitude time", 
            "out_name": "siv", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }
    }
}
