{
    "Header": {
        "data_specs_version": "01.00.33", 
        "cmor_version": "3.5", 
        "table_id": "Table Eday", 
        "realm": "land", 
        "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": {
        "agesno": {
            "frequency": "day", 
            "modeling_realm": "landIce land", 
            "standard_name": "age_of_surface_snow", 
            "units": "day", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Mean Age of Snow", 
            "comment": "Age of Snow (when computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.  Reported as missing data in regions free of snow on land.", 
            "dimensions": "longitude latitude time", 
            "out_name": "agesno", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "albc": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "canopy_albedo", 
            "units": "1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Canopy Albedo", 
            "comment": "Albedo of the vegetation: fraction of incoming solar radiation which is reflected before reaching the ground.", 
            "dimensions": "longitude latitude time", 
            "out_name": "albc", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "albsn": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "surface_albedo", 
            "units": "1", 
            "cell_methods": "area: time: mean where snow (comment: mask=snc)", 
            "cell_measures": "area: areacella", 
            "long_name": "Snow Albedo", 
            "comment": "Albedo of the snow-covered surface, averaged over the grid cell.", 
            "dimensions": "longitude latitude time", 
            "out_name": "albsn", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "aod550volso4": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "stratosphere_optical_thickness_due_to_volcanic_ambient_aerosol_particles", 
            "units": "1e-09", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Aerosol Optical Depth at 550nm Due to Stratospheric Volcanic Aerosols", 
            "comment": "Aerosol optical depth at 550nm due to stratospheric volcanic aerosols", 
            "dimensions": "longitude latitude time lambda550nm", 
            "out_name": "aod550volso4", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "ares": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "aerodynamic_resistance", 
            "units": "s m-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Aerodynamic Resistance", 
            "comment": "The 'aerodynamic_resistance' is the resistance to mixing through the boundary layer toward the surface by means of the dominant process, turbulent transport. Reference: Wesely, M. L., 1989,  doi:10.1016/0004-6981(89)90153-4.", 
            "dimensions": "longitude latitude time", 
            "out_name": "ares", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "ccldncl": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "number_concentration_of_convective_cloud_liquid_water_particles_at_convective_liquid_water_cloud_top", 
            "units": "m-3", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Cloud Droplet Number Concentration of Convective Cloud Tops", 
            "comment": "Droplets are liquid only.  Report concentration 'as seen from space' over convective liquid cloudy portion of grid cell.  This is the value from uppermost model layer with liquid cloud or, if available, it is better to sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Weight by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean.", 
            "dimensions": "longitude latitude time", 
            "out_name": "ccldncl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "cldnci": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "number_concentration_of_ice_crystals_in_air_at_ice_cloud_top", 
            "units": "m-3", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Ice Crystal Number Concentration of Cloud Tops", 
            "comment": "Concentration 'as seen from space' over ice-cloud portion of grid cell.  This is the value from uppermost model layer with ice cloud or, if available, it is the sum over all ice cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Weight by total ice cloud top fraction (as seen from TOA) of each time sample when computing monthly mean.", 
            "dimensions": "longitude latitude time", 
            "out_name": "cldnci", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "cldnvi": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_number_content_of_cloud_droplets", 
            "units": "m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Column Integrated Cloud Droplet Number", 
            "comment": "Droplets are liquid only.  Values are weighted by liquid cloud fraction in each layer when vertically integrating, and for monthly means the samples are weighted by total liquid cloud fraction (as seen from TOA).", 
            "dimensions": "longitude latitude time", 
            "out_name": "cldnvi", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "clivic": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_convective_cloud_ice", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Convective Ice Water Path", 
            "comment": "calculate mass of convective ice water in the column divided by the area of the column (not just the area of the cloudy portion of the column). This includes precipitating frozen hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model.", 
            "dimensions": "longitude latitude time", 
            "out_name": "clivic", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "clt": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "cloud_area_fraction", 
            "units": "%", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Total Cloud Cover Percentage", 
            "comment": "Total cloud area fraction (reported as a percentage) for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud.", 
            "dimensions": "longitude latitude time", 
            "out_name": "clt", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "clwvic": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_convective_cloud_condensed_water", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Convective Condensed Water Path", 
            "comment": "calculate mass of convective condensed (liquid + ice) water in the column divided by the area of the column (not just the area of the cloudy portion of the column). This includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model.", 
            "dimensions": "longitude latitude time", 
            "out_name": "clwvic", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "cnc": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "vegetation_area_fraction", 
            "units": "%", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Canopy Covered Area Percentage", 
            "comment": "Percentage of area covered by vegetation.", 
            "dimensions": "longitude latitude time", 
            "out_name": "cnc", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "cw": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "canopy_water_amount", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Total Canopy Water Storage", 
            "comment": "'Amount' means mass per unit area. 'Water' means water in all phases, including frozen i.e. ice and snow. 'Canopy' means the plant or vegetation canopy. The canopy water is the water on the canopy.", 
            "dimensions": "longitude latitude time", 
            "out_name": "cw", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "dcw": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "change_over_time_in_canopy_water_amount", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Change in Interception Storage", 
            "comment": "The phrase 'change_over_time_in_X' means change in a quantity X over a time-interval, which should be defined by the bounds of the time coordinate. 'Canopy' means the plant or vegetation canopy. Canopy water is the water on the canopy. 'Water' means water in all phases, including frozen, i.e. ice and snow. 'Amount' means mass per unit area.", 
            "dimensions": "longitude latitude time", 
            "out_name": "dcw", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "dgw": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "change_over_time_in_groundwater_amount", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacellr", 
            "long_name": "Change in Groundwater", 
            "comment": "Groundwater is subsurface water below the depth of the water table.", 
            "dimensions": "longitude latitude time", 
            "out_name": "dgw", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "dmlt": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "depth_at_shallowest_isotherm_defined_by_soil_temperature", 
            "units": "m", 
            "cell_methods": "area: time: mean where unfrozen_soil", 
            "cell_measures": "area: areacella", 
            "long_name": "Depth to Soil Thaw", 
            "comment": "Depth from surface to the zero degree isotherm. Above this isotherm T > 0o, and below this line T < 0o. Missing if surface is frozen or if soil is unfrozen at all depths.", 
            "dimensions": "longitude latitude time stempzero", 
            "out_name": "dmlt", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "drivw": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "change_over_time_in_river_water_amount", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacellr", 
            "long_name": "Change in River Storage", 
            "comment": "Change over time of the mass of water per unit area in the fluvial system (stream and floodplain).", 
            "dimensions": "longitude latitude time", 
            "out_name": "drivw", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "dslw": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "change_over_time_in_mass_content_of_water_in_soil", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Change in Soil Moisture", 
            "comment": "The phrase 'change_over_time_in_X' means change in a quantity X over a time-interval, which should be defined by the bounds of the time coordinate. 'Content' indicates a quantity per unit area. The mass content of water in soil refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including 'content_of_soil_layer' are used. 'Water' means water in all phases.", 
            "dimensions": "longitude latitude time", 
            "out_name": "dslw", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "dsn": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "change_over_time_in_amount_of_ice_and_snow_on_land", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Change in Snow Water Equivalent", 
            "comment": "Change in time of the mass per unit area of ice in glaciers, ice caps, ice sheets and shelves, river and lake ice, any other ice on a land surface, such as frozen flood water, and snow lying on such ice or on the land surface.", 
            "dimensions": "longitude latitude time", 
            "out_name": "dsn", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "dsw": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "change_over_time_in_land_water_amount", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Change in Surface Water Storage", 
            "comment": "The phrase 'land_water_amount', often known as 'Terrestrial Water Storage', includes: surface liquid water (water in rivers, wetlands, lakes, reservoirs, rainfall intercepted by the canopy); surface ice and snow (glaciers, ice caps, grounded ice sheets not displacing sea water, river and lake ice, other surface ice such as frozen flood water, snow lying on the surface and intercepted by the canopy); subsurface water (liquid and frozen soil water, groundwater).", 
            "dimensions": "longitude latitude time", 
            "out_name": "dsw", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "dtes": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "change_over_time_in_thermal_energy_content_of_vegetation_and_litter_and_soil", 
            "units": "J m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Change in Surface Heat Storage", 
            "comment": "Change in heat storage over the soil layer and the vegetation for which the energy balance is calculated, accumulated over the sampling time interval.", 
            "dimensions": "longitude latitude time", 
            "out_name": "dtes", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "dtesn": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "change_over_time_in_thermal_energy_content_of_ice_and_snow_on_land", 
            "units": "J m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Change in Snow and Ice Cold Content", 
            "comment": "Change in cold content over the snow layer for which the energy balance is calculated, accumulated over the sampling time interval. This should also include the energy contained in the liquid water in the snow pack.", 
            "dimensions": "longitude latitude time", 
            "out_name": "dtesn", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "ec": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "water_evaporation_flux_from_canopy", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Interception Evaporation", 
            "comment": "Evaporation flux from water in all phases on the vegetation canopy.", 
            "dimensions": "longitude latitude time", 
            "out_name": "ec", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "eow": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "surface_water_evaporation_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Open Water Evaporation", 
            "comment": "Evaporation (conversion of liquid or solid into vapor) from open water. ", 
            "dimensions": "longitude latitude time", 
            "out_name": "eow", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "es": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "water_evaporation_flux_from_soil", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Bare Soil Evaporation", 
            "comment": "Water here means water in all phases. Evaporation is the conversion of liquid or solid into vapor. (The conversion of solid alone into vapor is called 'sublimation'.) In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.", 
            "dimensions": "longitude latitude time", 
            "out_name": "es", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "esn": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "water_evapotranspiration_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Snow Evaporation", 
            "comment": "Water here means water in all phases. Evaporation is the conversion of liquid or solid into vapor. (The conversion of solid alone into vapor is called 'sublimation'.) In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. Unless indicated in the cell_methods attribute, a quantity is assumed to apply to the whole area of each horizontal grid box. Previously, the qualifier where_type was used to specify that the quantity applies only to the part of the grid box of the named type.  Names containing the where_type qualifier are deprecated and newly created data should use the cell_methods attribute to indicate the horizontal area to which the quantity applies.", 
            "dimensions": "longitude latitude time", 
            "out_name": "esn", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "evspsbl": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "water_evapotranspiration_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Evaporation Including Sublimation and Transpiration", 
            "comment": "Evaporation at surface (also known as evapotranspiration): flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)", 
            "dimensions": "longitude latitude time", 
            "out_name": "evspsbl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "evspsblpot": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "water_potential_evaporation_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Potential Evapotranspiration", 
            "comment": "at surface; potential flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)", 
            "dimensions": "longitude latitude time", 
            "out_name": "evspsblpot", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hfdsl": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_downward_heat_flux_in_air", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Downward Heat Flux at Land Surface", 
            "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Downward' indicates a vector component which is positive when directed downward (negative upward). The vertical heat flux in air is the sum of all heat fluxes i.e. radiative, latent and sensible. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.", 
            "dimensions": "longitude latitude time", 
            "out_name": "hfdsl", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hfdsn": {
            "frequency": "day", 
            "modeling_realm": "landIce land", 
            "standard_name": "surface_downward_heat_flux_in_snow", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Downward Heat Flux into Snow Where Land over Land", 
            "comment": "the net downward heat flux from the atmosphere into the snow that lies on land divided by the land area in the grid cell; reported as 0.0 for snow-free land regions or where the land fraction is 0.", 
            "dimensions": "longitude latitude time", 
            "out_name": "hfdsn", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hfdsnb": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "downward_heat_flux_at_ground_level_in_snow", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Downward Heat Flux at Snow Base", 
            "comment": "Heat flux from snow into the ice or land under the snow.", 
            "dimensions": "longitude latitude time", 
            "out_name": "hfdsnb", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hfls": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_upward_latent_heat_flux", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Upward Latent Heat Flux", 
            "comment": "The surface called 'surface' means the lower boundary of the atmosphere. 'Upward' indicates a vector component which is positive when directed upward (negative downward). The surface latent heat flux is the exchange of heat between the surface and the air on account of evaporation (including sublimation). In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.", 
            "dimensions": "longitude latitude time", 
            "out_name": "hfls", 
            "type": "real", 
            "positive": "up", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hfmlt": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_snow_and_ice_melt_heat_flux", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Energy of Fusion", 
            "comment": "Energy consumed or released during liquid/solid phase changes.", 
            "dimensions": "longitude latitude time", 
            "out_name": "hfmlt", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hfrs": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "tendency_of_thermal_energy_content_of_surface_snow_due_to_rainfall_temperature_excess_above_freezing", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Heat Transferred to Snowpack by Rainfall", 
            "comment": "Heat transferred to a snow cover by rain..", 
            "dimensions": "longitude latitude time", 
            "out_name": "hfrs", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hfsbl": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_upward_latent_heat_flux_due_to_sublimation", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Energy of Sublimation", 
            "comment": "Energy consumed or released during vapor/solid phase changes.", 
            "dimensions": "longitude latitude time", 
            "out_name": "hfsbl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hfss": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_upward_sensible_heat_flux", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Upward Sensible Heat Flux", 
            "comment": "The surface sensible heat flux, also called turbulent heat flux, is the exchange of heat between the surface and the air by motion of air.", 
            "dimensions": "longitude latitude time", 
            "out_name": "hfss", 
            "type": "real", 
            "positive": "up", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hursminCrop": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "relative_humidity", 
            "units": "%", 
            "cell_methods": "area: mean where crops time: minimum", 
            "cell_measures": "area: areacella", 
            "long_name": "Daily Minimum Near-Surface Relative Humidity over Crop Tile", 
            "comment": "The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C.", 
            "dimensions": "longitude latitude time height2m", 
            "out_name": "hursminCrop", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hus": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "specific_humidity", 
            "units": "1", 
            "cell_methods": "time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Specific Humidity", 
            "comment": "Specific humidity is the mass fraction of water vapor in (moist) air.", 
            "dimensions": "longitude latitude plev19 time", 
            "out_name": "hus", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "hus850": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "specific_humidity", 
            "units": "1", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Specific Humidity", 
            "comment": "Specific humidity is the mass fraction of water vapor in (moist) air.", 
            "dimensions": "longitude latitude time p850", 
            "out_name": "hus850", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "jpdftaureicemodis": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "cloud_area_fraction_in_atmosphere_layer", 
            "units": "%", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "MODIS Joint Distribution of Optical Thickness and Particle Size, Ice", 
            "comment": "Joint probability distribution function, giving probability of cloud as a function of optical thickness and particle size, as measured by MODIS. For cloud ice particles.", 
            "dimensions": "longitude latitude effectRadIc tau time", 
            "out_name": "jpdftaureicemodis", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "jpdftaureliqmodis": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "cloud_area_fraction_in_atmosphere_layer", 
            "units": "%", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "MODIS Optical Thickness-Particle Size Joint Distribution, Liquid", 
            "comment": "Joint probability distribution function, giving probability of cloud as a function of optical thickness and particle size, as measured by MODIS. For liquid cloud particles.", 
            "dimensions": "longitude latitude effectRadLi tau time", 
            "out_name": "jpdftaureliqmodis", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "lai": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "leaf_area_index", 
            "units": "1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Leaf Area Index", 
            "comment": "A ratio obtained by dividing the total upper leaf surface area of vegetation by the (horizontal) surface area of the land on which it grows.", 
            "dimensions": "longitude latitude time", 
            "out_name": "lai", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "loadbc": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_elemental_carbon_dry_aerosol_particles", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Load of Black Carbon Aerosol", 
            "comment": "The total dry mass of black carbon aerosol particles per unit area.", 
            "dimensions": "longitude latitude time", 
            "out_name": "loadbc", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "loaddust": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_dust_dry_aerosol_particles", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Load of Dust", 
            "comment": "The total dry mass of dust aerosol particles per unit area.", 
            "dimensions": "longitude latitude time", 
            "out_name": "loaddust", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "loadnh4": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_ammonium_dry_aerosol_particles", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Load of NH4", 
            "comment": "The total dry mass of ammonium aerosol particles per unit area.", 
            "dimensions": "longitude latitude time", 
            "out_name": "loadnh4", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "loadno3": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_nitrate_dry_aerosol_particles", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Load of NO3", 
            "comment": "The total dry mass of nitrate aerosol particles per unit area.", 
            "dimensions": "longitude latitude time", 
            "out_name": "loadno3", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "loadoa": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_particles", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Load of Dry Aerosol Organic Matter", 
            "comment": "atmosphere dry organic content: This is the vertically integrated sum of atmosphere_primary_organic_content and atmosphere_secondary_organic_content (see next two table entries).", 
            "dimensions": "longitude latitude time", 
            "out_name": "loadoa", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "loadpoa": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_primary_particulate_organic_matter_dry_aerosol_particles", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Load of Dry Aerosol Primary Organic Matter", 
            "comment": "The total dry mass of primary particulate organic aerosol particles per unit area.", 
            "dimensions": "longitude latitude time", 
            "out_name": "loadpoa", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "loadso4": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_sulfate_dry_aerosol_particles", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Load of SO4", 
            "comment": "The total dry mass of sulfate aerosol particles per unit area.", 
            "dimensions": "longitude latitude time", 
            "out_name": "loadso4", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "loadsoa": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_particles", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Load of Dry Aerosol Secondary Organic Matter", 
            "comment": "The total dry mass of secondary particulate organic aerosol particles per unit area.", 
            "dimensions": "longitude latitude time", 
            "out_name": "loadsoa", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "loadss": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_sea_salt_dry_aerosol_particles", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Load of Sea-Salt Aerosol", 
            "comment": "The total dry mass of sea salt aerosol particles per unit area.", 
            "dimensions": "longitude latitude time", 
            "out_name": "loadss", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "lwsnl": {
            "frequency": "day", 
            "modeling_realm": "landIce land", 
            "standard_name": "liquid_water_content_of_surface_snow", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Liquid Water Content of Snow Layer", 
            "comment": "The total mass of liquid water contained interstitially within the whole depth of the snow layer of the land portion of a grid cell divided by the area of the land portion of the cell.", 
            "dimensions": "longitude latitude time", 
            "out_name": "lwsnl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mlotst": {
            "frequency": "day", 
            "modeling_realm": "ocean", 
            "standard_name": "ocean_mixed_layer_thickness_defined_by_sigma_t", 
            "units": "m", 
            "cell_methods": "area: mean where sea time: mean", 
            "cell_measures": "area: areacello", 
            "long_name": "Ocean Mixed Layer Thickness Defined by Sigma T", 
            "comment": "Sigma T is potential density referenced to ocean surface.", 
            "dimensions": "longitude latitude time", 
            "out_name": "mlotst", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mrfsofr": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "mass_fraction_of_frozen_water_in_soil_moisture", 
            "units": "1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Average Layer Fraction of Frozen Moisture", 
            "comment": "Fraction of soil moisture mass in the solid phase in each user-defined soil layer (3D variable)", 
            "dimensions": "longitude latitude sdepth time", 
            "out_name": "mrfsofr", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mrlqso": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "mass_fraction_of_unfrozen_water_in_soil_moisture", 
            "units": "1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Average Layer Fraction of Liquid Moisture", 
            "comment": "Fraction of soil moisture mass in the liquid phase in each user-defined soil layer (3D variable)", 
            "dimensions": "longitude latitude sdepth time", 
            "out_name": "mrlqso", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mrrob": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "subsurface_runoff_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Subsurface Runoff", 
            "comment": "Runoff is the liquid water which drains from land. If not specified, 'runoff' refers to the sum of surface runoff and subsurface drainage. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.", 
            "dimensions": "longitude latitude time", 
            "out_name": "mrrob", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mrros": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "surface_runoff_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Runoff", 
            "comment": "The total surface run off leaving the land portion of the grid cell (excluding drainage through the base of the soil model).", 
            "dimensions": "longitude latitude time", 
            "out_name": "mrros", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mrsfl": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "frozen_water_content_of_soil_layer", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Frozen Water Content of Soil Layer", 
            "comment": "in each soil layer, the mass of water in ice phase.  Reported as 'missing' for grid cells occupied entirely by 'sea'", 
            "dimensions": "longitude latitude sdepth time", 
            "out_name": "mrsfl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mrsll": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "liquid_water_content_of_soil_layer", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Liquid Water Content of Soil Layer", 
            "comment": "in each soil layer, the mass of water in liquid phase.  Reported as 'missing' for grid cells occupied entirely by 'sea'", 
            "dimensions": "longitude latitude sdepth time", 
            "out_name": "mrsll", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mrsol": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "mass_content_of_water_in_soil_layer", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Total Water Content of Soil Layer", 
            "comment": "in each soil layer, the mass of water in all phases, including ice.  Reported as 'missing' for grid cells occupied entirely by 'sea'", 
            "dimensions": "longitude latitude sdepth time", 
            "out_name": "mrsol", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mrsow": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "volume_fraction_of_condensed_water_in_soil_at_field_capacity", 
            "units": "1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Total Soil Wetness", 
            "comment": "Vertically integrated soil moisture divided by maximum allowable soil moisture above wilting point.", 
            "dimensions": "longitude latitude time", 
            "out_name": "mrsow", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "mrtws": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "land_water_amount", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Terrestrial Water Storage", 
            "comment": "Mass of water in all phases and in all components including soil, canopy, vegetation, ice sheets, rivers and ground water.", 
            "dimensions": "longitude latitude time", 
            "out_name": "mrtws", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "nudgincsm": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "nudging_increment_in_mass_content_of_water_in_soil", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Nudging Increment of Water in Soil Moisture", 
            "comment": "A nudging increment refers to an amount added to parts of a model system. The phrase 'nudging_increment_in_X' refers to an increment in quantity X over a time period which should be defined in the bounds of the time coordinate. 'Content' indicates a quantity per unit area. 'Water' means water in all phases. The mass content of water in soil refers to the vertical integral from the surface down to the bottom of the soil model. The 'soil content' of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including 'content_of_soil_layer' are used.", 
            "dimensions": "longitude latitude time", 
            "out_name": "nudgincsm", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "nudgincswe": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "nudging_increment_in_snow_and_ice_amount_on_land", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Nudging Increment of Water in Snow", 
            "comment": "A nudging increment refers to an amount added to parts of a model system. The phrase 'nudging_increment_in_X' refers to an increment in quantity X over a time period which should be defined in the bounds of the time coordinate. The surface called 'surface' means the lower boundary of the atmosphere. 'Amount' means mass per unit area. 'Snow and ice on land' means ice in glaciers, ice caps, ice sheets & shelves, river and lake ice, any other ice on a land surface, such as frozen flood water, and snow lying on such ice or on the land surface.", 
            "dimensions": "longitude latitude time", 
            "out_name": "nudgincswe", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "parasolRefl": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "toa_bidirectional_reflectance", 
            "units": "1", 
            "cell_methods": "area: mean where sea time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "PARASOL Reflectance", 
            "comment": "Simulated reflectance from PARASOL as seen at the top of the atmosphere for 5 solar zenith angles. Valid only over ocean and for one viewing direction (viewing zenith angle of 30 degrees and relative azimuth angle 320 degrees).", 
            "dimensions": "longitude latitude sza5 time", 
            "out_name": "parasolRefl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "pflw": {
            "frequency": "day", 
            "modeling_realm": "landIce land", 
            "standard_name": "liquid_water_content_of_permafrost_layer", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Liquid Water Content of Permafrost Layer", 
            "comment": "*where land over land*, i.e., this is the total mass of liquid water contained within the permafrost layer within the land portion of a grid cell divided by the area of the land portion of the cell.", 
            "dimensions": "longitude latitude time", 
            "out_name": "pflw", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "prCrop": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "precipitation_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: time: mean where crops (comment: mask=cropFrac)", 
            "cell_measures": "area: areacella", 
            "long_name": "Precipitation over Crop Tile", 
            "comment": "includes both liquid and solid phases", 
            "dimensions": "longitude latitude time", 
            "out_name": "prCrop", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "prhmax": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "precipitation_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean time: mean within hours time: maximum over hours", 
            "cell_measures": "area: areacella", 
            "long_name": "Maximum Hourly Precipitation Rate", 
            "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.", 
            "dimensions": "longitude latitude time", 
            "out_name": "prhmax", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "prra": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "rainfall_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Rainfall Flux over Land", 
            "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.", 
            "dimensions": "longitude latitude time", 
            "out_name": "prra", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "prrc": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "convective_rainfall_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Convective Rainfall Rate", 
            "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.", 
            "dimensions": "longitude latitude time", 
            "out_name": "prrc", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "prrsn": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "mass_fraction_of_rainfall_falling_onto_surface_snow", 
            "units": "1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Fraction of Rainfall on Snow", 
            "comment": "The fraction of the grid averaged rainfall which falls on the snow pack", 
            "dimensions": "longitude latitude time", 
            "out_name": "prrsn", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "prsnc": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "convective_snowfall_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Convective Snowfall Flux", 
            "comment": "convective precipitation of all forms of water in the solid phase.", 
            "dimensions": "longitude latitude time", 
            "out_name": "prsnc", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "prsnsn": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "mass_fraction_of_solid_precipitation_falling_onto_surface_snow", 
            "units": "1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Fraction of Snowfall (Including Hail and Graupel) on Snow", 
            "comment": "The fraction of the snowfall which falls on the snow pack", 
            "dimensions": "longitude latitude time", 
            "out_name": "prsnsn", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "prveg": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "precipitation_flux_onto_canopy", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Precipitation onto Canopy", 
            "comment": "The precipitation flux that is intercepted by the vegetation canopy (if present in model) before reaching the ground.", 
            "dimensions": "longitude latitude time", 
            "out_name": "prveg", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "prw": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_mass_content_of_water_vapor", 
            "units": "kg m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Water Vapor Path", 
            "comment": "vertically integrated through the atmospheric column", 
            "dimensions": "longitude latitude time", 
            "out_name": "prw", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "qgwr": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "downward_liquid_water_mass_flux_into_groundwater", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacellr", 
            "long_name": "Groundwater Recharge from Soil Layer", 
            "comment": "Mass flux of water from the soil layer into ground water.", 
            "dimensions": "longitude latitude time", 
            "out_name": "qgwr", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "reffcclwtop": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "effective_radius_of_convective_cloud_liquid_water_particles_at_convective_liquid_water_cloud_top", 
            "units": "m", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Cloud-Top Effective Droplet Radius in Convective Cloud", 
            "comment": "Droplets are liquid only.  This is the effective radius 'as seen from space' over convective liquid cloudy portion of grid cell.  This is the value from uppermost model layer with liquid cloud or, if available, or for some models it is the sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Reported values are weighted by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean.daily data, separated to large-scale clouds, convective clouds. If any of the cloud is from more than one process (i.e. shallow convection), please provide them separately.", 
            "dimensions": "longitude latitude time", 
            "out_name": "reffcclwtop", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "reffsclwtop": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "effective_radius_of_stratiform_cloud_liquid_water_particles_at_stratiform_liquid_water_cloud_top", 
            "units": "m", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Cloud-Top Effective Droplet Radius in Stratiform Cloud", 
            "comment": "Droplets are liquid only.  This is the effective radius 'as seen from space' over liquid stratiform cloudy portion of grid cell.  This is the value from uppermost model layer with liquid cloud or, if available, or for some models it is the sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Reported values are weighted by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean.daily data, separated to large-scale clouds, convective clouds. If any of the cloud is from more than one process (i.e. shallow convection), please provide them separately.", 
            "dimensions": "longitude latitude time", 
            "out_name": "reffsclwtop", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "rivi": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "incoming_water_volume_transport_along_river_channel", 
            "units": "m3 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacellr", 
            "long_name": "River Inflow", 
            "comment": "Inflow of River Water into Cell", 
            "dimensions": "longitude latitude time", 
            "out_name": "rivi", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "rivo": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "outgoing_water_volume_transport_along_river_channel", 
            "units": "m3 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacellr", 
            "long_name": "River Discharge", 
            "comment": "Outflow of River Water from Cell", 
            "dimensions": "longitude latitude time", 
            "out_name": "rivo", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "rls": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_net_downward_longwave_flux", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Net Longwave Surface Radiation", 
            "comment": "Net longwave surface radiation", 
            "dimensions": "longitude latitude time", 
            "out_name": "rls", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "rsdscsdiff": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_diffuse_downwelling_shortwave_flux_in_air_assuming_clear_sky", 
            "units": "W m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Diffuse Downwelling Clear Sky Shortwave Radiation", 
            "comment": "Surface downwelling solar irradiance from diffuse radiation for UV calculations in clear sky conditions", 
            "dimensions": "longitude latitude time", 
            "out_name": "rsdscsdiff", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "rsdsdiff": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_diffuse_downwelling_shortwave_flux_in_air", 
            "units": "W m-2", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Diffuse Downwelling Shortwave Radiation", 
            "comment": "Surface downwelling solar irradiance from diffuse radiation for UV calculations.", 
            "dimensions": "longitude latitude time", 
            "out_name": "rsdsdiff", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "rss": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_net_downward_shortwave_flux", 
            "units": "W m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Net Shortwave Surface Radiation", 
            "comment": "Net downward shortwave radiation at the surface", 
            "dimensions": "longitude latitude time", 
            "out_name": "rss", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "rzwc": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "mass_content_of_water_in_soil_layer_defined_by_root_depth", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Root Zone Soil Moisture", 
            "comment": "'Content' indicates a quantity per unit area. The content of a soil layer is the vertical integral of the specified quantity within the layer. The quantity with standard name mass_content_of_water_in_soil_layer_defined_by_root_depth is the vertical integral between the surface and the depth to which plant roots penetrate. A coordinate variable or scalar coordinate variable with standard name root_depth can be used to specify the extent of the layer. 'Water' means water in all phases.", 
            "dimensions": "longitude latitude time", 
            "out_name": "rzwc", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sbl": {
            "frequency": "day", 
            "modeling_realm": "landIce", 
            "standard_name": "tendency_of_atmosphere_mass_content_of_water_vapor_due_to_sublimation_of_surface_snow_and_ice", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Snow and Ice Sublimation Flux", 
            "comment": "The snow and ice sublimation flux is the loss of snow and ice mass per unit area from the surface resulting from their direct conversion to water vapor that enters the atmosphere.", 
            "dimensions": "longitude latitude time", 
            "out_name": "sbl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sblnosn": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "tendency_of_atmosphere_mass_content_of_water_vapor_due_to_sublimation_of_surface_ice", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Sublimation of the Snow Free Area", 
            "comment": "Rate of sublimation of ice into the atmosphere from areas with no snow.", 
            "dimensions": "longitude latitude time", 
            "out_name": "sblnosn", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "scldncl": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "number_concentration_of_stratiform_cloud_liquid_water_particles_at_stratiform_liquid_water_cloud_top", 
            "units": "m-3", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Cloud Droplet Number Concentration of Stratiform Cloud Tops", 
            "comment": "Droplets are liquid only.  Report concentration 'as seen from space' over stratiform liquid cloudy portion of grid cell.  This is the value from uppermost model layer with liquid cloud or, if available, it is better to sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere. Weight by total liquid cloud top fraction of  (as seen from TOA) each time sample when computing monthly mean.", 
            "dimensions": "longitude latitude time", 
            "out_name": "scldncl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "snd": {
            "frequency": "day", 
            "modeling_realm": "landIce land", 
            "standard_name": "surface_snow_thickness", 
            "units": "m", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Snow Depth", 
            "comment": "where land over land, this is computed as the mean thickness of snow in the land portion of the grid cell (averaging over the entire land portion, including the snow-free fraction).  Reported as 0.0 where the land fraction is 0.", 
            "dimensions": "longitude latitude time", 
            "out_name": "snd", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "snm": {
            "frequency": "day", 
            "modeling_realm": "landIce land", 
            "standard_name": "surface_snow_melt_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Snow Melt", 
            "comment": "The total surface snow melt rate on the land portion of the grid cell divided by the land area in the grid cell; report as zero for snow-free land regions and missing where there is no land.", 
            "dimensions": "longitude latitude time", 
            "out_name": "snm", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "snmsl": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "liquid_water_mass_flux_into_soil_due_to_surface_snow_melt", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Water Flowing out of Snowpack", 
            "comment": "Mass flow rate of water draining out of the snow pack.", 
            "dimensions": "longitude latitude time", 
            "out_name": "snmsl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "snrefr": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_snow_and_ice_refreezing_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Refreezing of Water in the Snow", 
            "comment": "In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics. The surface called 'surface' means the lower boundary of the atmosphere. 'Surface snow and ice refreezing flux' means the mass flux of surface  meltwater which refreezes within the snow or firn.", 
            "dimensions": "longitude latitude time", 
            "out_name": "snrefr", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "snwc": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "canopy_snow_amount", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Snow Water Equivalent Intercepted by the Vegetation", 
            "comment": "Total water mass of the snowpack (liquid or frozen), averaged over a grid cell and intercepted by the canopy.", 
            "dimensions": "longitude latitude time", 
            "out_name": "snwc", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sootsn": {
            "frequency": "day", 
            "modeling_realm": "landIce land", 
            "standard_name": "soot_content_of_surface_snow", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Snow Soot Content", 
            "comment": "the entire land portion of the grid cell is considered, with snow soot content set to 0.0 in regions free of snow.", 
            "dimensions": "longitude latitude time", 
            "out_name": "sootsn", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "sw": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "land_surface_liquid_water_amount", 
            "units": "kg m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Water Storage", 
            "comment": "Total liquid water storage, other than soil, snow or interception storage (i.e. lakes, river channel or depression storage).", 
            "dimensions": "longitude latitude time", 
            "out_name": "sw", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "t20d": {
            "frequency": "day", 
            "modeling_realm": "ocean", 
            "standard_name": "depth_of_isosurface_of_sea_water_potential_temperature", 
            "units": "m", 
            "cell_methods": "area: mean where sea time: mean", 
            "cell_measures": "area: areacello", 
            "long_name": "Depth of 20 degree Celsius Isotherm", 
            "comment": "This quantity, sometimes called the 'isotherm depth', is the depth (if it exists) at which the sea water potential temperature equals some specified value. This value should be specified in a scalar coordinate variable. Depth is the vertical distance below the surface. Potential temperature is the temperature a parcel of air or sea water would have if moved adiabatically to sea level pressure.", 
            "dimensions": "longitude latitude time", 
            "out_name": "t20d", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "ta": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "air_temperature", 
            "units": "K", 
            "cell_methods": "time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Air Temperature", 
            "comment": "Air Temperature", 
            "dimensions": "longitude latitude plev19 time", 
            "out_name": "ta", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "ta500": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "air_temperature", 
            "units": "K", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Air Temperature", 
            "comment": "Temperature on the 500 hPa surface", 
            "dimensions": "longitude latitude time p500", 
            "out_name": "ta500", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "ta850": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "air_temperature", 
            "units": "K", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Air Temperature", 
            "comment": "Air temperature at 850hPa", 
            "dimensions": "longitude latitude time p850", 
            "out_name": "ta850", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tasmaxCrop": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "air_temperature", 
            "units": "K", 
            "cell_methods": "area: mean where crops time: maximum", 
            "cell_measures": "area: areacella", 
            "long_name": "Daily Maximum Near-Surface Air Temperature over Crop Tile", 
            "comment": "maximum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: max')", 
            "dimensions": "longitude latitude time height2m", 
            "out_name": "tasmaxCrop", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tasminCrop": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "air_temperature", 
            "units": "K", 
            "cell_methods": "area: mean where crops time: minimum", 
            "cell_measures": "area: areacella", 
            "long_name": "Daily Minimum Near-Surface Air Temperature over Crop Tile", 
            "comment": "minimum near-surface (usually, 2 meter) air temperature (add cell_method attribute 'time: min')", 
            "dimensions": "longitude latitude time height2m", 
            "out_name": "tasminCrop", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tau": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "magnitude_of_surface_downward_stress", 
            "units": "N m-2", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Momentum Flux", 
            "comment": "module of the momentum lost by the atmosphere to the surface.", 
            "dimensions": "longitude latitude time", 
            "out_name": "tau", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tauu": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_downward_eastward_stress", 
            "units": "Pa", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Downward Eastward Wind Stress", 
            "comment": "Downward eastward wind stress at the surface", 
            "dimensions": "longitude latitude time", 
            "out_name": "tauu", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tauupbl": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_downward_eastward_stress_due_to_boundary_layer_mixing", 
            "units": "Pa", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Eastward Surface Stress from Planetary Boundary Layer Scheme", 
            "comment": "The  downward eastward stress associated with the models parameterization of the planetary boundary layer. (This request is related to a WGNE effort to understand how models parameterize the surface stresses.)", 
            "dimensions": "longitude latitude time", 
            "out_name": "tauupbl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tauv": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_downward_northward_stress", 
            "units": "Pa", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Downward Northward Wind Stress", 
            "comment": "Downward northward wind stress at the surface", 
            "dimensions": "longitude latitude time", 
            "out_name": "tauv", 
            "type": "real", 
            "positive": "down", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tauvpbl": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_downward_northward_stress_due_to_boundary_layer_mixing", 
            "units": "Pa", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Northward Surface Stress from Planetary Boundary Layer Scheme", 
            "comment": "The  downward northward stress associated with the models parameterization of the planetary boundary layer. (This request is related to a WGNE effort to understand how models parameterize the surface stresses.)", 
            "dimensions": "longitude latitude time", 
            "out_name": "tauvpbl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tcs": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "canopy_temperature", 
            "units": "K", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Vegetation Canopy Temperature", 
            "comment": "Vegetation temperature, averaged over all vegetation types", 
            "dimensions": "longitude latitude time", 
            "out_name": "tcs", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tdps": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "dew_point_temperature", 
            "units": "K", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "2m Dewpoint Temperature", 
            "comment": "Dew point temperature is the temperature at which a parcel of air reaches saturation upon being cooled at constant pressure and specific humidity.", 
            "dimensions": "longitude latitude time", 
            "out_name": "tdps", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tgs": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "surface_temperature", 
            "units": "K", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Temperature of Bare Soil", 
            "comment": "Surface bare soil temperature", 
            "dimensions": "longitude latitude time", 
            "out_name": "tgs", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tpf": {
            "frequency": "day", 
            "modeling_realm": "landIce land", 
            "standard_name": "permafrost_layer_thickness", 
            "units": "m", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Permafrost Layer Thickness", 
            "comment": "The mean thickness of the permafrost layer in the land portion of the grid cell.  Reported as zero in permafrost-free regions.", 
            "dimensions": "longitude latitude time", 
            "out_name": "tpf", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tr": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_temperature", 
            "units": "K", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Radiative Temperature", 
            "comment": "Effective radiative surface temperature, averaged over the grid cell", 
            "dimensions": "longitude latitude time", 
            "out_name": "tr", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tran": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "transpiration_flux", 
            "units": "kg m-2 s-1", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Transpiration", 
            "comment": "Transpiration (may include dew formation as a negative flux).", 
            "dimensions": "longitude latitude time", 
            "out_name": "tran", 
            "type": "real", 
            "positive": "up", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "ts": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_temperature", 
            "units": "K", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Surface Temperature", 
            "comment": "Temperature of the lower boundary of the atmosphere", 
            "dimensions": "longitude latitude time", 
            "out_name": "ts", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tsl": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "soil_temperature", 
            "units": "K", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Temperature of Soil", 
            "comment": "Temperature of soil. Reported as missing for grid cells with no land.", 
            "dimensions": "longitude latitude sdepth time", 
            "out_name": "tsl", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tsland": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_temperature", 
            "units": "K", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Land Surface Temperature", 
            "comment": "Temperature of the lower boundary of the atmosphere", 
            "dimensions": "longitude latitude time", 
            "out_name": "tsland", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tsn": {
            "frequency": "day", 
            "modeling_realm": "landIce land", 
            "standard_name": "temperature_in_surface_snow", 
            "units": "K", 
            "cell_methods": "area: mean where land time: mean (with samples weighted by snow mass)", 
            "cell_measures": "area: areacella", 
            "long_name": "Snow Internal Temperature", 
            "comment": "This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as missing in regions free of snow on land.", 
            "dimensions": "longitude latitude time", 
            "out_name": "tsn", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "tsns": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "surface_temperature", 
            "units": "K", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Snow Surface Temperature", 
            "comment": "Temperature of the snow surface as it interacts with the atmosphere, averaged over a grid cell.", 
            "dimensions": "longitude latitude time", 
            "out_name": "tsns", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "ua": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "eastward_wind", 
            "units": "m s-1", 
            "cell_methods": "time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Eastward Wind", 
            "comment": "Zonal wind (positive in a eastward direction).", 
            "dimensions": "longitude latitude plev19 time", 
            "out_name": "ua", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "va": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "northward_wind", 
            "units": "m s-1", 
            "cell_methods": "time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Northward Wind", 
            "comment": "Meridional wind (positive in a northward direction).", 
            "dimensions": "longitude latitude plev19 time", 
            "out_name": "va", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "wap": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "lagrangian_tendency_of_air_pressure", 
            "units": "Pa s-1", 
            "cell_methods": "time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Omega (=dp/dt)", 
            "comment": "Omega (vertical velocity in pressure coordinates, positive downwards)", 
            "dimensions": "longitude latitude plev19 time", 
            "out_name": "wap", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "wtd": {
            "frequency": "day", 
            "modeling_realm": "land", 
            "standard_name": "water_table_depth", 
            "units": "m", 
            "cell_methods": "area: mean where land time: mean", 
            "cell_measures": "area: areacellr", 
            "long_name": "Water Table Depth", 
            "comment": "Depth is the vertical distance below the surface. The water table is the surface below which the soil is saturated with water such that all pore spaces are filled.", 
            "dimensions": "longitude latitude time", 
            "out_name": "wtd", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "zg": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "geopotential_height", 
            "units": "m", 
            "cell_methods": "time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Geopotential Height", 
            "comment": "Geopotential is the sum of the specific gravitational potential energy relative to the geoid and the specific centripetal potential energy. Geopotential height is the geopotential divided by the standard acceleration due to gravity. It is numerically similar to the altitude (or geometric height) and not to the quantity with standard name height, which is relative to the surface.", 
            "dimensions": "longitude latitude plev19 time", 
            "out_name": "zg", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }, 
        "zmla": {
            "frequency": "day", 
            "modeling_realm": "atmos", 
            "standard_name": "atmosphere_boundary_layer_thickness", 
            "units": "m", 
            "cell_methods": "area: time: mean", 
            "cell_measures": "area: areacella", 
            "long_name": "Height of Boundary Layer", 
            "comment": "The atmosphere boundary layer thickness is the 'depth' or 'height' of the (atmosphere) planetary boundary layer.", 
            "dimensions": "longitude latitude time", 
            "out_name": "zmla", 
            "type": "real", 
            "positive": "", 
            "valid_min": "", 
            "valid_max": "", 
            "ok_min_mean_abs": "", 
            "ok_max_mean_abs": ""
        }
    }
}
