"long_name":"Air Pressure at Convective Cloud Base",
"comment":"Where convective cloud is present in the grid cell, the instantaneous cloud base altitude should be that of the bottom of the lowest level containing convective cloud. Missing data should be reported in the absence of convective cloud. The time mean should be calculated from these quantities averaging over occasions when convective cloud is present only, and should contain missing data for occasions when no convective cloud is present during the meaning period.",
"long_name":"Air Pressure at Convective Cloud Top",
"comment":"Where convective cloud is present in the grid cell, the instantaneous cloud top altitude should be that of the top of the highest level containing convective cloud. Missing data should be reported in the absence of convective cloud. The time mean should be calculated from these quantities averaging over occasions when convective cloud is present only, and should contain missing data for occasions when no convective cloud is present during the meaning period.",
"dimensions":"longitude latitude time",
"out_name":"cct",
"type":"real",
"positive":"",
"valid_min":"",
"valid_max":"",
"ok_min_mean_abs":"",
"ok_max_mean_abs":""
},
"cfc113global":{
"frequency":"mon",
"modeling_realm":"atmos atmosChem",
"standard_name":"mole_fraction_of_cfc113_in_air",
"units":"1e-12",
"cell_methods":"area: time: mean",
"cell_measures":"",
"long_name":"Global Mean Mole Fraction of CFC113",
"comment":"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of CFC113 is CCl2FCClF2. The IUPAC name for CFC113 is 1,1,2-trichloro-1,2,2-trifluoro-ethane.",
"dimensions":"time",
"out_name":"cfc113global",
"type":"real",
"positive":"",
"valid_min":"",
"valid_max":"",
"ok_min_mean_abs":"",
"ok_max_mean_abs":""
},
"cfc11global":{
"frequency":"mon",
"modeling_realm":"atmos atmosChem",
"standard_name":"mole_fraction_of_cfc11_in_air",
"units":"1e-12",
"cell_methods":"area: time: mean",
"cell_measures":"",
"long_name":"Global Mean Mole Fraction of CFC11",
"comment":"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of CFC11 is CFCl3. The IUPAC name for CFC11 is trichloro-fluoro-methane.",
"dimensions":"time",
"out_name":"cfc11global",
"type":"real",
"positive":"",
"valid_min":"",
"valid_max":"",
"ok_min_mean_abs":"",
"ok_max_mean_abs":""
},
"cfc12global":{
"frequency":"mon",
"modeling_realm":"atmos atmosChem",
"standard_name":"mole_fraction_of_cfc12_in_air",
"units":"1e-12",
"cell_methods":"area: time: mean",
"cell_measures":"",
"long_name":"Global Mean Mole Fraction of CFC12",
"comment":"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of CFC12 is CF2Cl2. The IUPAC name for CFC12 is dichloro-difluoro-methane.",
"comment":"Includes both large-scale and convective cloud. This is calculated as the mass of cloud ice in the grid cell divided by the mass of air (including the water in all phases) in the grid cell. It includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model.",
"comment":"mass of ice water in the column divided by the area of the column (not just the area of the cloudy portion of the column). Includes precipitating frozen hydrometeors ONLY if the precipitating hydrometeor affects the calculation of radiative transfer in model.",
"dimensions":"longitude latitude time",
"out_name":"clivi",
"type":"real",
"positive":"",
"valid_min":"",
"valid_max":"",
"ok_min_mean_abs":"",
"ok_max_mean_abs":""
},
"clt":{
"frequency":"mon",
"modeling_realm":"atmos",
"standard_name":"cloud_area_fraction",
"units":"%",
"cell_methods":"area: 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.",
"long_name":"Mass Fraction of Cloud Liquid Water",
"comment":"Includes both large-scale and convective cloud. Calculate as the mass of cloud liquid water in the grid cell divided by the mass of air (including the water in all phases) in the grid cells. Precipitating hydrometeors are included ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model.",
"comment":"Mass of 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). Includes precipitating hydrometeors ONLY if the precipitating hydrometeors affect the calculation of radiative transfer in model.",
"cell_methods":"area: mean time: mean within years time: mean over years",
"cell_measures":"",
"long_name":"Total Atmospheric Mass of CO2",
"comment":"Total atmospheric mass of Carbon Dioxide",
"dimensions":"time2",
"out_name":"co2mass",
"type":"real",
"positive":"",
"valid_min":"",
"valid_max":"",
"ok_min_mean_abs":"",
"ok_max_mean_abs":""
},
"evspsbl":{
"frequency":"mon",
"modeling_realm":"atmos",
"standard_name":"water_evapotranspiration_flux",
"units":"kg m-2 s-1",
"cell_methods":"area: 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)",
"long_name":"Carbon Mass Flux into Atmosphere Due to All Anthropogenic Emissions of CO2",
"comment":"This is requested only for the emission-driven coupled carbon climate model runs. Does not include natural fire sources but, includes all anthropogenic sources, including fossil fuel use, cement production, agricultural burning, and sources associated with anthropogenic land use change excluding forest regrowth.",
"long_name":"Carbon Mass Flux into Atmosphere Due to Fossil Fuel Emissions of CO2",
"comment":"This is the prescribed anthropogenic CO2 flux from fossil fuel use, including cement production, and flaring (but not from land-use changes, agricultural burning, forest regrowth, etc.)",
"long_name":"Surface Carbon Mass Flux into the Atmosphere Due to Natural Sources",
"comment":"This is what the atmosphere sees (on its own grid). This field should be equivalent to the combined natural fluxes of carbon that account for natural exchanges between the atmosphere and land (nep) or ocean (fgco2) reservoirs.",
"dimensions":"longitude latitude time",
"out_name":"fco2nat",
"type":"real",
"positive":"",
"valid_min":"",
"valid_max":"",
"ok_min_mean_abs":"",
"ok_max_mean_abs":""
},
"hcfc22global":{
"frequency":"mon",
"modeling_realm":"atmos atmosChem",
"standard_name":"mole_fraction_of_hcfc22_in_air",
"units":"1e-12",
"cell_methods":"area: time: mean",
"cell_measures":"",
"long_name":"Global Mean Mole Fraction of HCFC22",
"comment":"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'. The chemical formula for HCFC22 is CHClF2. The IUPAC name for HCFC22 is chloro-difluoro-methane.",
"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.",
"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":""
},
"hur":{
"frequency":"mon",
"modeling_realm":"atmos",
"standard_name":"relative_humidity",
"units":"%",
"cell_methods":"time: mean",
"cell_measures":"area: areacella",
"long_name":"Relative Humidity",
"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 plev19 time",
"out_name":"hur",
"type":"real",
"positive":"",
"valid_min":"",
"valid_max":"",
"ok_min_mean_abs":"",
"ok_max_mean_abs":""
},
"hurs":{
"frequency":"mon",
"modeling_realm":"atmos",
"standard_name":"relative_humidity",
"units":"%",
"cell_methods":"area: time: mean",
"cell_measures":"area: areacella",
"long_name":"Near-Surface Relative Humidity",
"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":"hurs",
"type":"real",
"positive":"",
"valid_min":"",
"valid_max":"",
"ok_min_mean_abs":"",
"ok_max_mean_abs":""
},
"hus":{
"frequency":"mon",
"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":""
},
"huss":{
"frequency":"mon",
"modeling_realm":"atmos",
"standard_name":"specific_humidity",
"units":"1",
"cell_methods":"area: time: mean",
"cell_measures":"area: areacella",
"long_name":"Near-Surface Specific Humidity",
"comment":"Near-surface (usually, 2 meter) specific humidity.",
"comment":"The net mass flux should represent the difference between the updraft and downdraft components. The flux is computed as the mass divided by the area of the grid cell.",
"comment":"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of nitrous oxide is N2O.",
"cell_methods":"area: mean time: mean within years time: mean over years",
"cell_measures":"area: areacella",
"long_name":"Mole Fraction of N2O",
"comment":"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The chemical formula of nitrous oxide is N2O.",
"comment":"The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Downwelling radiation is radiation from above. It does not mean 'net downward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.",
"comment":"The surface called 'surface' means the lower boundary of the atmosphere. 'longwave' means longwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.",
"dimensions":"longitude latitude time",
"out_name":"rlus",
"type":"real",
"positive":"up",
"valid_min":"",
"valid_max":"",
"ok_min_mean_abs":"",
"ok_max_mean_abs":""
},
"rlut":{
"frequency":"mon",
"modeling_realm":"atmos",
"standard_name":"toa_outgoing_longwave_flux",
"units":"W m-2",
"cell_methods":"area: time: mean",
"cell_measures":"area: areacella",
"long_name":"TOA Outgoing Longwave Radiation",
"comment":"at the top of the atmosphere (to be compared with satellite measurements)",
"comment":"The surface called 'surface' means the lower boundary of the atmosphere. 'shortwave' means shortwave radiation. Upwelling radiation is radiation from below. It does not mean 'net upward'. When thought of as being incident on a surface, a radiative flux is sometimes called 'irradiance'. In addition, it is identical with the quantity measured by a cosine-collector light-meter and sometimes called 'vector irradiance'. In accordance with common usage in geophysical disciplines, 'flux' implies per unit area, called 'flux density' in physics.",
"long_name":"Net Downward Radiative Flux at Top of Model",
"comment":"Net Downward Radiative Flux at Top of Model : I.e., at the top of that portion of the atmosphere where dynamics are explicitly treated by the model. This is reported only if it differs from the net downward radiative flux at the top of the atmosphere.",
"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.",
"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":""
},
"zg":{
"frequency":"mon",
"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.",