Priority;Component;CMIP name;NorESM name or implementation status;CMOR implementation status;Other MIPs;Frequencies;Long name;"Description";Units
1;aerosol;abs550aer;TAUA550;partly;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP,PMIP;mon;Ambient Aerosol Absorption Optical Thickness at 550 nm;"alias::atmosphere_absorption_optical_thickness_due_to_ambient_aerosol";1
1;aerosol;mmraerh2o; ; ;AerChemMIP,DAMIP,GeoMIP;mon;Aerosol water mass mixing ratio;"Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). ""Aerosol"" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. ""Ambient_aerosol"" means that the aerosol is measured or modelled at the ambient state of pressure, temperature and relative humidity that exists in its immediate environment. ""Ambient aerosol particles"" are aerosol particles that have taken up ambient water through hygroscopic growth. The extent of hygroscopic growth depends on the relative humidity and the composition of the particles.";kg kg-1
1;aerosol;mmrbc; ; ;AerChemMIP,CFMIP,DAMIP,PMIP;mon;Elemental carbon mass mixing ratio;"Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). ""Aerosol"" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol takes up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the aerosol. ""Dry aerosol particles"" means aerosol particles without any water uptake. Chemically, ""elemental carbon"" is the carbonaceous fraction of particulate matter that is thermally stable in an inert atmosphere to high temperatures near 4000K and can only be gasified by oxidation starting at temperatures above 340 C. It is assumed to be inert and non-volatile under atmospheric conditions and insoluble in any solvent (Ogren and Charlson, 1983).";kg kg-1
1;aerosol;mmrdust; ; ;AerChemMIP,CFMIP,DAMIP,GeoMIP,PMIP;mon;Dust aerosol mass mixing ratio;"Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). ""Aerosol"" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol particles take up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the particles. ""Dry aerosol particles"" means aerosol particles without any water uptake.";kg kg-1
1;aerosol;mmrno3; ; ;AerChemMIP,CFMIP,DAMIP;mon;NO3 aerosol mass mixing ratio;"Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). ""Mass_fraction_of_nitrate"" means that the mass is expressed as mass of NO3. ""Aerosol"" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol particles take up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the particles. ""Dry aerosol particles"" means aerosol particles without any water uptake.";kg kg-1
1;aerosol;mmroa; ; ;AerChemMIP,CFMIP,DAMIP;mon;Total organic aerosol mass mixing ratio;"We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available.";kg kg-1
1;aerosol;mmrso4; ; ;AerChemMIP,CFMIP,DAMIP,PMIP;mon;Aerosol sulfate mass mixing ratio;"Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X).  ""Mass_fraction_of_sulfate"" means that the mass is expressed as mass of SO4. ""Aerosol"" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol particles take up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the particles. ""Dry aerosol particles"" means aerosol particles without any water uptake.";kg kg-1
1;aerosol;mmrsoa; ; ;AerChemMIP,CFMIP,DAMIP;mon;Secondary organic aerosol mass mixing ratio;"Mass fraction is used in the construction mass_fraction_of_X_in_Y, where X is a material constituent of Y. It means the ratio of the mass of X to the mass of Y (including X). ""Aerosol"" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. Aerosol particles take up ambient water (a process known as hygroscopic growth) depending on the relative humidity and the composition of the particles. ""Dry aerosol particles"" means aerosol particles without any water uptake. ""Secondary particulate organic matter"" means particulate organic matter formed within the atmosphere from gaseous precursors. The sum of primary_particulate_organic_matter_dry_aerosol and secondary_particulate_organic_matter_dry_aerosol is particulate_organic_matter_dry_aerosol.";kg kg-1
1;aerosol;mmrss; ; ;AerChemMIP,CFMIP,DAMIP,GeoMIP,PMIP;mon;Sea Salt mass mixing ratio;"alias::mass_fraction_of_seasalt_dry_aerosol_particles_in_air";kg kg-1
1;aerosol;od440aer; ; ;AerChemMIP,DAMIP,HighResMIP;mon;ambient aerosol optical thickness at 440 nm;"AOD from the ambient aerosols (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute ""wavelength: 440 nm""";1
1;aerosol;od550aer; ; ;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP,PMIP;mon;ambient aerosol optical thickness at 550 nm;"AOD from the ambient aerosols (i.e., includes aerosol water).  Does not include AOD from stratospheric aerosols if these are prescribed but includes other possible background aerosol types. Needs a comment attribute ""wavelength: 550 nm""";1
1;aerosol;od550aerh2o; ; ;AerChemMIP,DAMIP,HighResMIP;mon;aerosol water aod at 550nm;"proposed name: atmosphere_optical_thickness_due_to_water_ambient_aerosol";1
1;aerosol;od550bb; ; ;AerChemMIP,DAMIP,HighResMIP;mon;Aerosol Optical Depth at 550nm due to Biomass Burning;"total organic aerosol AOD due to biomass burning (excluding so4, nitrate BB components)";1
1;aerosol;od550bc; ; ;AerChemMIP,DAMIP,HighResMIP;mon;black carbon aod at 550nm;"The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase. The optical thickness is the integral along the path of radiation of a volume scattering/absorption/attenuation coefficient. The radiative flux is reduced by a factor exp(-optical_thickness) on traversing the path. The atmosphere optical thickness applies to radiation passing through the entire atmosphere. ""Aerosol"" means the suspended liquid or solid particles in air (except cloud droplets).  ""Ambient aerosol"" is aerosol that has taken up ambient water through hygroscopic growth.  The extent of hygroscopic growth depends on the relative humidity and the composition of the aerosol.  Black carbon aerosol is composed of elemental carbon.  It is strongly light absorbing.";1
1;aerosol;od550dust; ; ;AerChemMIP,DAMIP,HighResMIP,PMIP;mon;Dust Optical Depth at 550nm;"alias::atmosphere_optical_thickness_due_to_dust_ambient_aerosol";1
1;aerosol;od550lt1aer; ; ;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Ambient Fine Aerosol Optical Depth at 550 nm;"od550 due to particles with wet diameter less than 1 um  (ambient here means wetted). When models do not include explicit size information, it can be assumed that all anthropogenic aerosols and natural secondary aerosols have diameter less than 1 um.";1
1;aerosol;od550no3; ; ;AerChemMIP,DAMIP,HighResMIP;mon;Nitrate Aerosol OPtical Depth at 550nm;"proposed name: atmosphere_optical_thickness_due_to_nitrate_ambient_aerosol";1
1;aerosol;od550oa; ; ;AerChemMIP,DAMIP,HighResMIP;mon;Total Organic Aerosol Optical Depth at 550nm;"alias::atmosphere_optical_thickness_due_to_particulate_organic_matter_ambient_aerosol";1
1;aerosol;od550so4; ; ;AerChemMIP,DAMIP,HighResMIP,PMIP;mon;Sulfate Aerosol Optical Depth at 550nm;"proposed name: atmosphere_optical_thickness_due_to_sulfate_ambient_aerosol";1
1;aerosol;od550soa; ; ;AerChemMIP,DAMIP,HighResMIP;mon;Particulate Organic Aersol Optical Depth at 550nm;"total organic aerosol AOD due to secondary aerosol formation";1
1;aerosol;od550ss; ; ;AerChemMIP,DAMIP,HighResMIP;mon;Sea Salt Aersol Optical Depth at 550nm;"alias::atmosphere_optical_thickness_due_to_seasalt_ambient_aerosol";1
1;aerosol;rsdcsaf; ;no;;3hrPt;Downwelling Clear-Sky, Aerosol-Free Shortwave Radiation;"Calculated in the absence of aerosols and clouds (following Ghan). This requires a double-call in the radiation code with precisely the same meteorology.";W m-2
1;aerosol;rsdcsafbnd; ;no;;3hrPt;Downwelling Clear-Sky, Aerosol-Free, Shortwave Radiation in Bands;"Calculated in the absence of aerosols and clouds (following Ghan). This requires a double-call in the radiation code with precisely the same meteorology.";W m-2
1;aerosol;rsdscsaf; ;no;;3hrPt;Surface Downwelling Clear-Sky, Aerosol-Free Shortwave Radiation;"Calculated in the absence of aerosols and clouds.";W m-2
1;aerosol;rsdscsafbnd; ;no;;3hrPt;Surface Downwelling Clear-Sky, Aerosol-Free Shortwave Radiation in Bands;"Calculated in the absence of aerosols and clouds, following Ghan (2013, ACP). This requires a double-call in the radiation code with precisely the same meteorology.";W m-2
1;aerosol;rsucsaf; ;no;;3hrPt;Upwelling Clear-Sky, Aerosol-Free Shortwave Radiation;"Calculated in the absence of aerosols and clouds (following Ghan). This requires a double-call in the radiation code with precisely the same meteorology.";W m-2
1;aerosol;rsucsafbnd; ;no;;3hrPt;Upwelling Clear-Sky, Aerosol-Free Shortwave Radiation in Bands;"Calculated in the absence of aerosols and clouds (following Ghan). This requires a double-call in the radiation code with precisely the same meteorology.";W m-2
1;aerosol;rsuscsaf; ;no;;3hrPt;Surface Upwelling Clean Clear-Sky Shortwave Radiation;"Surface Upwelling Clear-sky, Aerosol Free Shortwave Radiation";W m-2
1;aerosol;rsuscsafbnd; ;no;;3hrPt;Surface Upwelling Clear-Sky, Aerosol-Free Shortwave Radiation in Bands;"Calculated in the absence of aerosols and clouds, following Ghan (ACP, 2013). This requires a double-call in the radiation code with precisely the same meteorology.";W m-2
1;aerosol;rsutcsaf; ;no;;3hrPt;TOA Outgoing Clear-Sky, Aerosol-Free Shortwave Radiation;"Flux corresponding to rsutcs resulting from aerosol-free call to radiation, following Ghan (ACP, 2013)";W m-2
1;atmos;aerasymbnd; ;no;;3hrPt;Aerosol level asymmetry parameter for each band;"";1
1;atmos;aeroptbnd; ;no;;3hrPt;Aerosol level absorption optical thickness for each band;"The optical thickness is the integral along the path of radiation of a volume scattering/absorption/attenuation coefficient. The radiative flux is reduced by a factor exp(-optical_thickness) on traversing the path. A coordinate variable of radiation_wavelength or radiation_frequency can be specified to indicate that the optical thickness applies at specific wavelengths or frequencies. ""Absorption optical thickness"" means that part of the atmosphere optical thickness that is caused by the absorption of incident radiation. ""Aerosol"" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. ""Ambient_aerosol"" means that the aerosol is measured or modelled at the ambient state of pressure, temperature and relative humidity that exists in its immediate environment. ""Ambient aerosol particles"" are aerosol particles that have taken up ambient water through hygroscopic growth. The extent of hygroscopic growth depends on the relative humidity and the composition of the particles. To specify the relative humidity and temperature at which the quantity described by the standard name applies, provide scalar coordinate variables with standard names of ""relative_humidity"" and ""air_temperature"". The specification of a physical process by the phrase due_to_process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase.";1
1;atmos;aerssabnd; ;no;;3hrPt;Aerosol level single-scattering albedo for each band;"""Single scattering albedo"" is the fraction of radiation in an incident light beam scattered by the particles of an aerosol reference volume for a given wavelength. It is the ratio of the scattering and the extinction coefficients of the aerosol particles in the reference volume. A coordinate variable with a standard name of radiation_wavelength or radiation_frequency should be included to specify either the wavelength or frequency. ""Aerosol"" means the system of suspended liquid or solid particles in air (except cloud droplets) and their carrier gas, the air itself. ""Ambient_aerosol"" means that the aerosol is measured or modelled at the ambient state of pressure, temperature and relative humidity that exists in its immediate environment. ""Ambient aerosol particles"" are aerosol particles that have taken up ambient water through hygroscopic growth. The extent of hygroscopic growth depends on the relative humidity and the composition of the particles. To specify the relative humidity and temperature at which the quantity described by the standard name applies, provide scalar coordinate variables with standard names of ""relative_humidity"" and ""air_temperature"". The specification of a physical process by the phrase ""due_to_"" process means that the quantity named is a single term in a sum of terms which together compose the general quantity named by omitting the phrase.";1
1;atmos;albdiffbnd; ;no;;3hrPt;Diffuse surface albedo for each band;"";1
1;atmos;albdirbnd; ;no;;3hrPt;Direct surface albedo for each band;"";1
1;atmos;albisccp; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP;mon;ISCCP Mean Cloud Albedo;"ISCCP Mean Cloud Albedo. Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp} - see  http://cfmip.metoffice.com/COSP.html";1
1;atmos;ccb;PCONVB;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VolMIP;mon;Air Pressure at Convective Cloud Base;"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.";Pa
1;atmos;cct;PCONVT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VolMIP;mon;Air Pressure at Convective Cloud Top;"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.";Pa
1;atmos;ch4;CH4;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;3hrPt,mon,monC;CH4 volume mixing ratio;"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.";mol mol-1
1;atmos;ch4global;ch4vmr;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;mon,monC;Global Mean Mole Fraction of CH4;"Global Mean Mole Fraction of CH4";1e-09
1;atmos;ci;FREQZM;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Fraction of Time Convection Occurs in Cell;"Fraction of time that convection occurs in the grid cell.";1
1;atmos;cl;CLOUD;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Percentage Cloud Cover;"Percentage cloud cover, including both large-scale and convective cloud.";%
1;atmos;clcalipso; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP;mon;CALIPSO Percentage Cloud Cover;"Percentage cloud cover at CALIPSO standard heights.";%
1;atmos;clhcalipso; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP;mon;CALIPSO High Level Cloud Area Percentage;"Percentage cloud cover in layer centred on 220hPa";%
1;atmos;cli;CLDICE;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Mass Fraction of Cloud Ice;"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.";kg kg-1
1;atmos;clisccp; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP,PMIP;mon;ISCCP Cloud Area Fraction;"Percentage cloud cover in optical depth categories.";%
1;atmos;clivi;TGCLDIWP;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VolMIP;mon;Ice Water Path;"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.";kg m-2
1;atmos;cllcalipso; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP;mon;CALIPSO Low Level Cloud Cover Percentage;"Percentage cloud cover in layer centred on 840hPa";%
1;atmos;clmcalipso; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP;mon;CALIPSO Mid Level Cloud Percentage;"Percentage cloud cover in layer centred on 560hPa";%
1;atmos;clt;CLDTOT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Total Cloud Cover Percentage;"Total cloud area fraction for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes both large-scale and convective cloud.";%
1;atmos;cltcalipso; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP;mon;CALIPSO Total Cloud Cover Percentage;"""X_area_fraction"" means the fraction of horizontal area occupied by X. ""X_area"" means the horizontal area occupied by X within the grid cell. Cloud area fraction is also called ""cloud amount"" and ""cloud cover"". The cloud area fraction is for the whole atmosphere column, as seen from the surface or the top of the atmosphere. The cloud area fraction in a layer of the atmosphere has the standard name cloud_area_fraction_in_atmosphere_layer.";%
1;atmos;cltisccp; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP,PMIP;mon;ISCCP Total Cloud Cover Percentage;"Percentage total cloud cover, simulating ISCCP observations.";%
1;atmos;clw;CLDLIQ;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Mass Fraction of Cloud Liquid Water;"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.";kg kg-1
1;atmos;clwvi;TGCLDLWP+TGCLDIWP;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VolMIP;mon;Condensed Water Path;"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.";kg m-2
1;atmos;co2;CO2;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;3hrPt,mon,monC;CO2 volume mixing ratio;"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.";mol mol-1
1;atmos;co2mass;co2vmr;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;mon,monC;Total Atmospheric Mass of CO2;"Total atmospheric mass of Carbon Dioxide";kg
1;atmos;evspsbl;QFLX;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Evaporation;"Evaporation at surface: flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)";kg m-2 s-1
1;atmos;fco2antt; ;no;AerChemMIP,C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux into Atmosphere Due to All Anthropogenic Emissions of CO2;"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.";kg m-2 s-1
1;atmos;fco2fos; ;no;AerChemMIP,C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux into Atmosphere Due to Fossil Fuel Emissions of CO2;"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.)";kg m-2 s-1
1;atmos;fco2nat; ;no;AerChemMIP,C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Surface Carbon Mass Flux into the Atmosphere Due to Natural Sources;"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.";kg m-2 s-1
1;atmos;hfls;LHFLX;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Upward Latent Heat Flux;"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.";W m-2
1;atmos;hfss;SHFLX;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Upward Sensible Heat Flux;"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 sensible heat flux, also called ""turbulent"" heat flux, is the exchange of heat between the surface and the air by motion of air. 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.";W m-2
1;atmos;hur;RELHUM;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Relative Humidity;"The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C.";%
1;atmos;hurs;RHREFHT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Near-Surface Relative Humidity;"The relative humidity with respect to liquid water for T> 0 C, and with respect to ice for T<0 C.";%
1;atmos;hus;Q;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;3hrPt,mon;Specific Humidity;"""specific"" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air.";1
1;atmos;huss;QREFHT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,mon;Near-Surface Specific Humidity;"Near-surface (usually, 2 meter) specific humidity.";1
1;atmos;mc;CMFMC+CMFMCDZM;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Convective Mass Flux;"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.";kg m-2 s-1
1;atmos;n2o;N2O;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;3hrPt,mon,monC;N2O volume mixing ratio;"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.";mol mol-1
1;atmos;n2oglobal;n2ovmr;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;mon,monC;Global Mean Mole Fraction of N2O;"Global mean Nitrous Oxide (N2O)";1e-09
1;atmos;o3;O3;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VolMIP;3hrPt,mon,monC;Ozone volume mixing ratio;"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.";mol mol-1
1;atmos;pctisccp; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP;mon;x;"ISCCP Mean Cloud Top Pressure. Time-means are weighted by the ISCCP Total Cloud Fraction {:cltisccp} - see  http://cfmip.metoffice.com/COSP.html";Pa
1;atmos;pfull;PS;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;3hrPt,monC;Pressure on Model Levels;"Air pressure on model levels";Pa
1;atmos;phalf;PS;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;3hrPt,monC;Pressure on Model Half-Levels;"Air pressure on model half-levels";Pa
1;atmos;pr;PRECT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,mon;Precipitation;"includes both liquid and solid phases";kg m-2 s-1
1;atmos;prc;PRECC;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Convective Precipitation;"Convective precipitation at surface; includes both liquid and solid phases.";kg m-2 s-1
1;atmos;prsn;PRECSC+PRECSL;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Snowfall Flux;"at surface; includes precipitation of all forms of water in the solid phase";kg m-2 s-1
1;atmos;prw;Q;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Water Vapor Path;"vertically integrated through the atmospheric column";kg m-2
1;atmos;ps;PS;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;3hrPt,mon;Surface Air Pressure;"surface pressure (not mean sea-level pressure), 2-D field to calculate the 3-D pressure field from hybrid coordinates";Pa
1;atmos;psl;PSL;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,mon;Sea Level Pressure;"Sea Level Pressure";Pa
1;atmos;rld; ;no;;fx;Downwelling Longwave Radiation;"Downwelling Longwave Radiation (includes the fluxes at the surface and TOA)";W m-2
1;atmos;rlds;FLDS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Downwelling Longwave Radiation;"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.";W m-2
1;atmos;rldscs;FLDSC;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Downwelling Clear-Sky Longwave Radiation;"Surface downwelling clear-sky longwave radiation";W m-2
1;atmos;rlu; ;no;;fx;Upwelling Longwave Radiation;"Upwelling longwave radiation (includes the fluxes at the surface and TOA)";W m-2
1;atmos;rlus;FLDS+FLNS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Upwelling Longwave Radiation;"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.";W m-2
1;atmos;rlut;FSNTOA-FSNT+FLNT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;TOA Outgoing Longwave Radiation;"at the top of the atmosphere (to be compared with satellite measurements)";W m-2
1;atmos;rlutcs;FLUTC?;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;TOA Outgoing Clear-sky Longwave Radiation;"Upwelling clear-sky longwave radiation at top of atmosphere";W m-2
1;atmos;rsd; ;no;;fx;Downwelling Shortwave Radiation;"Downwelling shortwave radiation (includes the fluxes at the surface and top-of-atmosphere)";W m-2
1;atmos;rsdcs; ;no;;3hrPt;Downwelling Clear-Sky Shortwave Radiation;"Downwelling clear-sky shortwave radiation (includes the fluxes at the surface and top-of-atmosphere)";W m-2
1;atmos;rsdcsbnd; ;no;;3hrPt;Downwelling Clear-Sky Shortwave Radiation at each level for each band;"Calculated with aerosols but without clouds. This is a standard clear-sky calculation";W m-2
1;atmos;rsds;RSDS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Downwelling Shortwave Radiation;"surface solar irradiance for UV calculations";W m-2
1;atmos;rsdscs;FSDSC;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;3hr,mon;Surface Downwelling Clear-Sky Shortwave Radiation;"surface solar irradiance clear sky for UV calculations";W m-2
1;atmos;rsdscsbnd; ;no;;3hrPt;Surface Downwelling Clear-Sky Shortwave Radiation for each band;"Calculated with aerosols but without clouds. This is a standard clear-sky calculation";W m-2
1;atmos;rsdt;FSNTOA+FSUTOA;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;TOA Incident Shortwave Radiation;"Shortwave radiation incident at the top of the atmosphere";W m-2
1;atmos;rsu; ;no;;fx;Upwelling Shortwave Radiation;"Upwelling shortwave radiation  (includes also the fluxes at the surface and top of atmosphere)";W m-2
1;atmos;rsucs; ;no;;3hrPt;Upwelling Clear-Sky Shortwave Radiation;"Upwelling clear-sky shortwave radiation  (includes the fluxes at the surface and TOA)";W m-2
1;atmos;rsucsbnd; ;no;;3hrPt;Upwelling Clear-Sky Shortwave Radiation at each level for each band;"Calculated with aerosols but without clouds. This is a standard clear-sky calculation";W m-2
1;atmos;rsus;FSDS-FSNS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Upwelling Shortwave Radiation;"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.";W m-2
1;atmos;rsuscs;FSDSC-FSNSC;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;3hrPt,mon;Surface Upwelling Clear-Sky Shortwave Radiation;"Surface Upwelling Clear-sky Shortwave Radiation";W m-2
1;atmos;rsuscsbnd; ;no;;3hrPt;Surface Upwelling Clear-Sky Shortwave Radiation for each band;"Calculated with aerosols but without clouds. This is a standard clear-sky calculation";W m-2
1;atmos;rsut;FSUTOA;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Top-of-Atmosphere Outgoing Shortwave Radiation;"at the top of the atmosphere";W m-2
1;atmos;rsutcs;SOLIN-FSNTOAC;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;3hr,mon;TOA Outgoing Clear-Sky Shortwave Radiation;"Calculated in the absence of clouds.";W m-2
1;atmos;rsutcsafbnd; ;no;;3hrPt;TOA Outgoing Clear-Sky, Aerosol-Free Shortwave Radiation in Bands;"Calculated in the absence of aerosols and clouds, following Ghan (2013, ACP). This requires a double-call in the radiation code with precisely the same meteorology.";W m-2
1;atmos;rsutcsbnd; ;no;;3hrPt;TOA Outgoing Clear-Sky Shortwave Radiation for each band;"Calculated with aerosols but without clouds. This is a standard clear-sky calculation";W m-2
1;atmos;rtmt;FSNT-FLNT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VolMIP;mon;Net Downward Radiative Flux at Top of Model;"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.";W m-2
1;atmos;sci;FREQSH;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Fraction of Time Shallow Convection Occurs;"Fraction of time that shallow convection occurs in the grid cell.";1
1;atmos;sfcWind;U10;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,mon;Near-Surface Wind Speed;"near-surface (usually, 10 meters) wind speed.";m s-1
1;atmos;solbnd; ;no;;3hrPt;Top-of-Atmosphere Solar Irradiance for each band;"Solar irradiance at a horizontal surface at top of atmosphere.";W m-2
1;atmos;sza; ;no;;3hrPt;Solar Zenith Angle;"The angle between the line of sight to the sun and the local vertical";degree
1;atmos;ta;T;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;3hrPt,mon;Air Temperature;"Air Temperature";K
1;atmos;tas;TREFHT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,mon;Near-Surface Air Temperature;"near-surface (usually, 2 meter) air temperature";K
1;atmos;tasmax;TREFMXAV;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,mon;Daily Maximum Near-Surface Air Temperature;"maximum near-surface (usually, 2 meter) air temperature (add cell_method attribute ""time: max"")";K
1;atmos;tasmin;TREFMNAV;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,mon;Daily Minimum Near-Surface Air Temperature;"minimum near-surface (usually, 2 meter) air temperature (add cell_method attribute ""time: min"")";K
1;atmos;tauu;TAUX;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Downward Eastward Wind Stress;"Downward eastward wind stress at the surface";Pa
1;atmos;tauv;TAUY;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Downward Northward Wind Stress;"Downward northward wind stress at the surface";Pa
1;atmos;ts;TS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;3hrPt,mon;Surface Temperature;"Temperature of the lower boundary of the atmosphere";K
1;atmos;ua;U10;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Eastward Wind;"""Eastward"" indicates a vector component which is positive when directed eastward (negative westward). Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.)";m s-1
1;atmos;uas; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Eastward Near-Surface Wind;"Eastward component of the near-surface (usually, 10 meters)  wind";m s-1
1;atmos;va;V;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Northward Wind;"""Northward"" indicates a vector component which is positive when directed northward (negative southward). Wind is defined as a two-dimensional (horizontal) air velocity vector, with no vertical component. (Vertical motion in the atmosphere has the standard name upward_air_velocity.)";m s-1
1;atmos;vas; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Northward Near-Surface Wind;"Northward component of the near surface wind";m s-1
1;atmos;wap;OMEGA;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;omega (=dp/dt);"Omega (vertical velocity in pressure coordinates, positive downwards)";Pa s-1
1;atmos;zg;Z3;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Geopotential Height;"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.";m
1;atmosChem;ch4;CH4;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;mon,monC;CH4 volume mixing ratio;"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.";mol mol-1
1;atmosChem;ch4global;ch4vmr;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;mon,monC;Global Mean Mole Fraction of CH4;"Global Mean Mole Fraction of CH4";1e-09
1;atmosChem;n2o;N2O;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;mon,monC;N2O volume mixing ratio;"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.";mol mol-1
1;atmosChem;n2oglobal;n2ovmr;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;mon,monC;Global Mean Mole Fraction of N2O;"Global mean Nitrous Oxide (N2O)";1e-09
1;atmosChem;o3;O3;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VolMIP;mon,monC;Ozone volume mixing ratio;"Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y.";mol mol-1
1;land;baresoilFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Bare Soil Percentage Area Coverage;"Percentage of entire grid cell  that is covered by bare soil.";%
1;land;burntFractionAll;ANN_FAREA_BURNED;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Percentage of Entire Grid cell  that is Covered by Burnt Vegetation (All Classes);"Percentage of grid cell burned due to all fires including natural and anthropogenic fires and those associated with anthropogenic land use change";%
1;land;cLitter;TOTLITC;partly;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Carbon Mass in Litter Pool;"alias::litter_carbon_content";kg m-2
1;land;cProduct; ;no;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Carbon Mass in Products of Land Use Change;"Carbon mass per unit area in that has been removed from the environment through  land use change.";kg m-2
1;land;cSoil;SOILC;no;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VolMIP;mon;Carbon Mass in Model Soil Pool;"Carbon mass in the full depth of the soil model.";kg m-2
1;land;cVeg;TOTVEGC;partly;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Carbon Mass in Vegetation;"Carbon mass per unit area in vegetation.";kg m-2
1;land;cropFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Percentage Crop Cover;"Percentage of entire grid cell  that is covered by crop.";%
1;land;evspsblsoi;QSOIL;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Water Evaporation from Soil;"Water evaporation from soil (including sublimation).";kg m-2 s-1
1;land;evspsblveg;QVEGE;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Evaporation from Canopy;"The canopy evaporation and sublimation (if present in model); may include dew formation as a negative flux.";kg m-2 s-1
1;land;fFire;COL_FIRE_CLOSS;partly;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux into Atmosphere due to CO2 Emission from Fire;"CO2 emissions (expressed as a carbon mass flux per unit area) from natural fires and human ignition fires as calculated by the fire module of the dynamic vegetation model, but excluding any CO2 flux from fire included in fLuc (CO2 Flux to Atmosphere from Land Use Change).";kg m-2 s-1
1;land;fGrazing; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass Flux into Atmosphere due to Grazing on Land;"Carbon mass flux per unit area due to grazing on land";kg m-2 s-1
1;land;fHarvest;WOOD_HARVESTC;partly;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass Flux into Atmosphere due to Crop Harvesting;"Carbon mass flux per unit area due to crop harvesting";kg m-2 s-1
1;land;fLitterSoil; ;no;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Total Carbon Mass Flux from Litter to Soil;"Carbon mass flux per unit area into soil from litter (dead plant material in or above the soil).";kg m-2 s-1
1;land;fLuc; ; ;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VolMIP;mon;Net Carbon Mass Flux into Atmosphere due to Land Use Change;"Carbon mass flux per unit area into atmosphere due to human changes to land (excluding forest regrowth) accounting possibly for different time-scales related to fate of the wood, for example.";kg m-2 s-1
1;land;fVegLitter;LITFALL;partly;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Total Carbon Mass Flux from Vegetation to Litter;"alias::litter_carbon_flux";kg m-2 s-1
1;land;fVegSoil;LITR1C_TO_SOIL1C+LITR2C_TO_SOIL2C+LITR3C_TO_SOIL3C;partly;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Total Carbon Mass Flux from Vegetation Directly to Soil;"Carbon mass flux per unit area from vegetation directly into soil, without intermediate conversion to litter.";kg m-2 s-1
1;land;gpp;GPP;partly;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux out of Atmosphere due to Gross Primary Production on Land;"""Production of carbon"" means the production of biomass expressed as the mass of carbon which it contains. Gross primary production is the rate of synthesis of biomass from inorganic precursors by autotrophs (""producers""), for example, photosynthesis in plants or phytoplankton. The producers also respire some of this biomass and the difference is ""net_primary_production"". ""Productivity"" means production per unit area. The phrase ""expressed_as"" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A.";kg m-2 s-1
1;land;grassFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Natural Grass Area Percentage;"Percentage of entire grid cell that is covered by natural grass.";%
1;land;lai;TLAI;partly;AerChemMIP,C4MIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Leaf Area Index;"""X_area"" means the horizontal area occupied by X within the grid cell.";1
1;land;mrfso;SOILICE;partly;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Soil Frozen Water Content;"The mass per unit area (summed over all model layers) of frozen water.";kg m-2
1;land;mrro;QRUNOFF+QSNWCPICE;partly;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Total Run-off;"The total run-off (including drainage through the base of the soil model) per unit area leaving the land portion of the grid cell.";kg m-2 s-1
1;land;mrros;QOVER;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Surface Run off;"The total surface run off leaving the land portion of the grid cell (excluding drainage through the base of the soil model).";kg m-2 s-1
1;land;mrso;SOILLIQ+SOILICE;partly;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Total Soil Moisture Content;"the mass per unit area  (summed over all soil layers) of water in all phases.";kg m-2
1;land;mrsol; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Total water content of soil layer;"in each soil layer, the mass of water in all phases, including ice.  Reported as ""missing"" for grid cells occupied entirely by ""sea""";kg m-2
1;land;mrsos;SOILWATER_10CM;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Moisture in Upper Portion of Soil Column;"The mass of water in all phases in the upper 10cm of the  soil layer.";kg m-2
1;land;nbp;NBP;partly;AerChemMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux out of Atmosphere due to Net Biospheric Production on Land;"This is the net mass flux of carbon from atmosphere into land, calculated as photosynthesis MINUS the sum of  plant and soil respiration, carbon fluxes from fire, harvest, grazing  and land use change. Positive flux is into the land.";kg m-2 s-1
1;land;nep; ; ;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VolMIP;mon;Net Carbon Mass Flux out of Atmosphere due to Net Ecosystem Productivity on Land.;"Natural flux of CO2 (expressed as a mass flux of carbon) from the atmosphere to the land calculated as the difference between uptake associated will photosynthesis and the release of CO2 from the sum of plant and soil respiration and fire.  Positive flux is into the land.  emissions from natural fires and human ignition fires as calculated by the fire module of the dynamic vegetation model, but excluding any CO2 flux from fire included in fLuc (CO2 Flux to Atmosphere from Land Use Change).";kg m-2 s-1
1;land;npp;NPP;partly;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux out of Atmosphere due to Net Primary Production on Land;"""Production of carbon"" means the production of biomass expressed as the mass of carbon which it contains. Net primary production is the excess of gross primary production (rate of synthesis of biomass from inorganic precursors) by autotrophs (""producers""), for example, photosynthesis in plants or phytoplankton, over the rate at which the autotrophs themselves respire some of this biomass. ""Productivity"" means production per unit area. The phrase ""expressed_as"" is used in the construction A_expressed_as_B, where B is a chemical constituent of A. It means that the quantity indicated by the standard name is calculated solely with respect to the B contained in A, neglecting all other chemical constituents of A.";kg m-2 s-1
1;land;pastureFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Percentage of Land which is Anthropogenic Pasture;"Percentage of entire grid cell  that is covered by anthropogenic pasture.";%
1;land;ra;AR;partly;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux into Atmosphere due to Autotrophic (Plant) Respiration on Land;"Carbon mass flux per unit area into atmosphere due to autotrophic respiration on land (respiration by producers) [see rh for heterotrophic production]";kg m-2 s-1
1;land;residualFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Percentage of Grid Cell that is Land but Neither Vegetation-Covered nor Bare Soil;"Percentage of entire grid cell  that is land and is covered by  neither vegetation nor bare-soil (e.g., urban, ice, lakes, etc.)";%
1;land;rh;HR;partly;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux into Atmosphere due to Heterotrophic Respiration on Land;"Carbon mass flux per unit area into atmosphere due to heterotrophic respiration on land (respiration by consumers)";kg m-2 s-1
1;land;sbl; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VolMIP;mon;Surface Snow and Ice Sublimation Flux;"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.";kg m-2 s-1
1;land;shrubFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Percentage Cover by Shrub;"Percentage of entire grid cell  that is covered by shrub.";%
1;land;tran;QVEGT;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Transpiration;"Transpiration (may include dew formation as a negative flux).";kg m-2 s-1
1;land;treeFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Percentage Tree Cover;"Percentage of entire grid cell  that is covered by trees.";%
1;landIce;mrfso;SOILICE;partly;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Soil Frozen Water Content;"The mass per unit area (summed over all model layers) of frozen water.";kg m-2
1;landIce;sbl; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,VolMIP;mon;Surface Snow and Ice Sublimation Flux;"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.";kg m-2 s-1
1;ocean;sithick;hi ;partly;C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Sea-ice thickness;"Actual (floe) thickness of sea ice (NOT volume divided by grid area as was done in CMIP5)";m
1;ocean;zfullo;dz;partly;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;Depth Below Geoid of Ocean Layer;"Depth below geoid";m
1;ocean;zhalfo;dz;partly;CMIP,FAFMIP,HighResMIP,LUMIP;monC;Depth Below Geoid of Interfaces Between Ocean Layers;"Depth below geoid";m
1;seaIce;siconc;aice;partly;C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Sea-ice area fraction;"Area fraction of grid cell covered by sea ice";%
1;seaIce;siconca; ;no;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea-ice area fraction;"Area fraction of grid cell covered by sea ice";%
1;seaIce;simass;hi*917+hs*330;partly;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Sea-ice mass per area;"Total mass of sea ice divided by grid-cell area";kg m-2
1;seaIce;sisnconc;fs;partly;C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Snow area fraction;"Fraction of sea ice, by area, which is covered by snow, giving equal weight to every square metre of sea ice . Exclude snow that lies on land or land ice.";%
1;seaIce;sisnmass;fs*hs;no;C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Snow mass per area;"Total mass of snow on sea ice divided by grid-cell area";kg m-2
1;seaIce;sisnthick;hs;partly;C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Snow thickness;"Actual thickness of snow (snow volume divided by snow-covered area)";m
1;seaIce;sispeed; ;no;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea-ice speed;"Speed of ice (i.e. mean absolute velocity) to account for back-and-forth movement of the ice";m s-1
1;seaIce;sitemptop;Tsfc ?;partly;C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Surface temperature of sea ice;"Report surface temperature of snow where snow covers the sea ice.";K
1;seaIce;sithick;hi ;partly;C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Sea-ice thickness;"Actual (floe) thickness of sea ice (NOT volume divided by grid area as was done in CMIP5)";m
1;seaIce;sitimefrac; ;no;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Fraction of time steps with sea ice;"Fraction of time steps of the averaging period during which sea ice is present (siconc >0 ) in a grid cell";1
1;seaIce;siu;uvel_d;partly;C4MIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;X-component of sea ice velocity;"The x-velocity of ice on native model grid";m s-1
1;seaIce;siv;vvel_d;partly;C4MIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Y-component of sea ice velocity;"The y-velocity of ice on native model grid";m s-1
1;seaIce;sivol;aice*hi ?;no;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea-ice volume per area;"Total volume of sea ice divided by grid-cell area (this used to be called ice thickness in CMIP5)";m
2;atmos;zfull;Z3;partly;CFMIP;3hrPt;Altitude of Model Full-Levels;"""Height_above_X"" means the vertical distance above the named surface X. A reference ellipsoid is a mathematical figure that approximates the geoid. The geoid is a surface of constant geopotential with which mean sea level would coincide if the ocean were at rest. The ellipsoid is an approximation because the geoid is an irregular shape. A number of reference ellipsoids are defined for use in the field of geodesy. To specify which reference ellipsoid is being used, a grid_mapping variable should be attached to the data variable as described in Chapter 5.6 of the CF Convention.";m
2;atmos;zhalf; ;no;CFMIP;3hrPt;Altitude of Model Half-Levels;"""Height_above_X"" means the vertical distance above the named surface X. A reference ellipsoid is a mathematical figure that approximates the geoid. The geoid is a surface of constant geopotential with which mean sea level would coincide if the ocean were at rest. The ellipsoid is an approximation because the geoid is an irregular shape. A number of reference ellipsoids are defined for use in the field of geodesy. To specify which reference ellipsoid is being used, a grid_mapping variable should be attached to the data variable as described in Chapter 5.6 of the CF Convention.";m
2;land;c3PftFrac; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,VIACSAB,VolMIP;mon;Percentage Cover by C3 Plant Functional Type;"Percentage of entire grid cell  that is covered by C3 PFTs (including grass, crops, and trees).";%
2;land;c4PftFrac; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,VIACSAB,VolMIP;mon;Percentage Cover by C4 Plant Functional Type;"Percentage of entire grid cell  that is covered by C4 PFTs (including grass and crops).";%
2;land;cCwd;CWDC;partly;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass in Coarse Woody Debris;"Carbon mass per unit area in woody debris (dead organic matter composed of coarse wood.  It is distinct from litter)";kg m-2
2;land;cLeaf;LEAFC;partly;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Carbon Mass in Leaves;"Carbon mass per unit area in leaves.";kg m-2
2;land;cLitterAbove; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass in Above-Ground Litter;"alias::surface_litter_carbon_content";kg m-2
2;land;cLitterBelow; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass in Below-Ground Litter;"alias::subsurface_litter_carbon_content";kg m-2
2;land;cMisc; ; ;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VolMIP;mon;Carbon Mass in Other Living Compartments on Land;"e.g., labile, fruits, reserves, etc.";kg m-2
2;land;cRoot;LIVECROOTC+DEADCROOTC;partly;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Carbon Mass in Roots;"Carbon mass per unit area in roots, including fine and coarse roots.";kg m-2
2;land;cSoilFast;cSoilFast;partly;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass in Fast Soil Pool;"Carbon mass per unit area in fast soil pool. Fast means a lifetime of less than 10 years for reference climate conditions (20th century) in the absence of water limitations.";kg m-2
2;land;cSoilMedium;cSoilMedium;partly;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass in Medium Soil Pool;"Carbon mass per unit area in medium (rate) soil pool. Medium means a lifetime of more than than 10 years and less than 100 years for reference climate conditions (20th century) in the absence of water limitations.";kg m-2
2;land;cSoilSlow;cSoilSlow;partly;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass in Slow Soil Pool;"Carbon mass per unit area in slow soil pool. Slow means a lifetime of more than 100 years for reference climate (20th century) in the absence of water limitations.";kg m-2
2;land;cWood; ; ;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VolMIP;mon;Carbon Mass in Wood;"Carbon mass per unit area in wood, including sapwood and hardwood.";kg m-2
2;land;landCoverFrac; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,VIACSAB,VolMIP;mon;Percentage of Area by Vegetation/Land Cover Category;"Percentage of grid cell area occupied by different model vegetation/land cover categories. The categories may differ from model to model, depending on each model's subgrid land cover category definitions. Categories may include natural vegetation, anthropogenic vegetation, bare soil, lakes, urban areas, glaciers, etc. Sum of all should equal the fraction of the grid-cell that is land.";%
2;land;nppLeaf;LEAFC_ALLOC;partly;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux due to NPP Allocation to Leaf;"This is the rate of carbon uptake by leaves due to NPP";kg m-2 s-1
2;land;nppRoot;FROOTC_ALLOC;partly;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Carbon Mass Flux due to NPP Allocation to Roots;"This is the rate of carbon uptake by roots due to NPP";kg m-2 s-1
2;land;nppWood;WOODC_ALLOC;partly;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass Flux due to NPP Allocation to Wood;"This is the rate of carbon uptake by wood due to NPP";kg m-2 s-1
2;land;prveg;QINTR;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Precipitation onto Canopy;"The precipitation flux that is intercepted by the vegetation canopy (if present in model) before reaching the ground.";kg m-2 s-1
2;land;rGrowth;MR;partly;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass Flux into Atmosphere due to Growth Autotrophic Respiration on Land;"alias::surface_upward_carbon_mass_flux_due_to_plant_respiration_for_biomass_growth";kg m-2 s-1
2;land;rMaint;GR;partly;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Carbon Mass Flux into Atmosphere due to Maintenance Autotrophic Respiration on Land;"alias::surface_upward_carbon_mass_flux_due_to_plant_respiration_for_biomass_maintenance";kg m-2 s-1
2;land;treeFracPrimDec; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Percentage Cover by Primary Deciduous Tree;"Percentage of the entire grid cell  that is covered by total primary deciduous trees.";%
2;land;treeFracPrimEver; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Percentage Cover Primary Evergreen Tree;"Percentage of entire grid cell  that is covered by primary evergreen trees.";%
2;land;treeFracSecDec; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Percentage Cover of Secondary Deciduous Tree;"Percentage of entire grid cell  that is covered by secondary deciduous trees.";%
2;land;treeFracSecEver; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;mon;Percentage Cover Secondary Evergreen Tree;"Percentage of entire grid cell  that is covered by secondary evergreen trees.";%
2;land;tsl;TSOI;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;mon;Temperature of Soil;"Temperature of soil. Reported as missing for grid cells with no land.";K
2;seaIce;sfdsi; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Downward Sea Ice Basal Salt Flux;"This field is physical, and it arises since sea ice has a nonzero salt content, so it exchanges salt with the liquid ocean upon melting and freezing.";kg m-2 s-1
2;seaIce;siage;iage;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Age of sea ice;"Age of sea ice";s
2;seaIce;siareaacrossline; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea ice area flux through straits;"net (sum of transport in all directions) sea ice area transport through the following four passages, positive into the Arctic Ocean 1. Fram Strait = (11.5W,81.3N to (10.5E,79.6N) 2. Canadian Archipelago = (128.2W,70.6N) to (59.3W,82.1N) 3. Barents opening = (16.8E,76.5N) to (19.2E,70.2N) 4. Bering Strait = (171W,66.2N) to (166W,65N)";m2 s-1
2;seaIce;siarean;aice;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea ice area North;"total area of sea ice in the Northern hemisphere";1e6 km2
2;seaIce;siareas;aice;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea ice area South;"total area of sea ice in the Southern hemisphere";1e6 km2
2;seaIce;sicompstren;strenght ?;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Compressive sea ice strength;"Computed strength of the ice pack, defined as the energy (J m-2) dissipated per unit area removed from the ice pack under compression, and assumed proportional to the change in potential energy caused by ridging. For Hibler-type models, this is P (= P*hexp(-C(1-A)))";N m-1
2;seaIce;sidconcdyn; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;sea-ice area fraction change from dynamics;"Total change in sea-ice area fraction through dynamics-related processes (advection, divergence...)";s-1
2;seaIce;sidconcth; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;sea-ice area fraction change from thermodynamics;"Total change in sea-ice area fraction through thermodynamic processes";s-1
2;seaIce;sidivvel;divu ?;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;monPt;Divergence of the sea-ice velocity field;"Divergence of sea-ice velocity field (first shear strain invariant)";s-1
2;seaIce;sidmassdyn; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;sea-ice mass change from dynamics;"Total change in sea-ice mass through dynamics-related processes (advection,...) divided by grid-cell area";kg m-2 s-1
2;seaIce;sidmassevapsubl;evap_ai ?;partly;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;sea-ice mass change through evaporation and sublimation;"The rate of change of sea-ice mass change through evaporation and sublimation divided by grid-cell area";kg m-2 s-1
2;seaIce;sidmassgrowthbot;congel ?;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;sea-ice mass change through basal growth;"The rate of change of sea ice mass due to vertical growth of existing sea ice at its base divided by grid-cell area.";kg m-2 s-1
2;seaIce;sidmassgrowthwat;frazil;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;sea-ice mass change through growth in supercooled open water (aka frazil);"The rate of change of sea ice mass due to sea ice formation in supercooled water (often through frazil formation) divided by grid-cell area. Together, sidmassgrowthwat and sidmassgrowthbot should give total ice growth";kg m-2 s-1
2;seaIce;sidmasslat; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Lateral sea ice melt rate;"The rate of change of sea ice mass through lateral melting divided by grid-cell area (report 0 if not explicitly calculated thermodynamically)";kg m-2 s-1
2;seaIce;sidmassmeltbot;meltb ?;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;sea-ice mass change through bottom melting;"The rate of change of sea ice mass through melting at the ice bottom divided by grid-cell area";kg m-2 s-1
2;seaIce;sidmassmelttop;meltt ?;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;sea-ice mass change through surface melting;"The rate of change of sea ice mass through melting at the ice surface divided by grid-cell area";kg m-2 s-1
2;seaIce;sidmasssi;snoice ?;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;sea-ice mass change through snow-to-ice conversion;"The rate of change of sea ice mass due to transformation of snow to sea ice divided by grid-cell area";kg m-2 s-1
2;seaIce;sidmassth; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;sea-ice mass change from thermodynamics;"Total change in sea-ice mass from thermodynamic processes divided by grid-cell area";kg m-2 s-1
2;seaIce;sidmasstranx;transix;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;X-component of sea-ice mass transport;"Includes transport of both sea ice and snow by advection";kg s-1
2;seaIce;sidmasstrany;transiy;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Y-component of sea-ice mass transport;"Includes transport of both sea ice and snow by advection";kg s-1
2;seaIce;siextentn;aice;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea ice extent North;"Total area of all Northern-Hemisphere grid cells that are covered by at least 15 % areal fraction of sea ice";1e6 km2
2;seaIce;siextents;aice;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea ice extent South;"Total area of all Southern-Hemisphere grid cells that are covered by at least 15 % areal fraction of sea ice";1e6 km2
2;seaIce;sifb; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea-ice freeboard;"Mean height of sea-ice surface (=snow-ice interface when snow covered) above sea level";m
2;seaIce;siflcondbot; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Net conductive heat fluxes in ice at the bottom;"the net heat conduction flux at the ice base";W m-2
2;seaIce;siflcondtop; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Net conductive heat flux in ice at the surface;"the net heat conduction flux at the ice surface";W m-2
2;seaIce;siflfwbot; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Freshwater flux from sea ice;"Total flux of fresh water from water into sea ice divided by grid-cell area; This flux is negative during ice growth (liquid water mass decreases, hence upward flux of freshwater), positive during ice melt (liquid water mass increases, hence downward flux of freshwater)";kg m-2 s-1
2;seaIce;siflfwdrain; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Freshwater flux from sea-ice surface;"Total flux of fresh water from sea-ice surface into underlying ocean. This combines both surface melt water that drains directly into the ocean and the drainage of surface melt pond. By definition, this flux is always positive.";kg m-2 s-1
2;seaIce;sifllatstop;flat_ai;partly;C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Net latent heat flux over sea ice;"the net latent heat flux over sea ice";W m-2
2;seaIce;sifllwdtop;flwdn_ai;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Downwelling longwave flux over sea ice;"the downwelling longwave flux over sea ice (always positive)";W m-2
2;seaIce;sifllwutop;flwup_ai;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Upwelling Longwave Flux over Sea Ice;"the upwelling longwave flux over sea ice (always negative)";W m-2
2;seaIce;siflsenstop;fsens_ai;partly;C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Net upward sensible heat flux over sea ice;"the net sensible heat flux over sea ice";W m-2
2;seaIce;siflsensupbot; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Net upward sensible heat flux under sea ice;"the net sensible heat flux under sea ice from the ocean";W m-2
2;seaIce;siflswdbot; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Downwelling shortwave flux under sea ice;"The downwelling shortwave flux underneath sea ice (always positive)";W m-2
2;seaIce;siflswdtop;fswdn_ai;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Downwelling shortwave flux over sea ice;"The downwelling shortwave flux over sea ice (always positive by sign convention)";W m-2
2;seaIce;siflswutop;fswup_ai;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Upwelling Shortwave Flux over Sea Ice;"The upwelling shortwave flux over sea ice (always negative)";W m-2
2;seaIce;sihc;qi;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Sea-ice heat content per unit area;"Heat content of all ice in grid cell divided by total grid-cell area. Water at 0 Celsius is assumed to have a heat content of 0 J.  Does not include heat content of snow, but does include heat content of brine. Heat content is always negative, since both the sensible and the latent heat content of ice are less than that of water";J m-2
2;seaIce;simassacrossline; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Sea mass area flux through straits;"net (sum of transport in all directions) sea ice area transport through the following four passages, positive into the Arctic Ocean 1. Fram Strait = (11.5W,81.3N to (10.5E,79.6N) 2. Canadian Archipelago = (128.2W,70.6N) to (59.3W,82.1N) 3. Barents opening = (16.8E,76.5N) to (19.2E,70.2N) 4. Bering Strait = (171W,66.2N) to (166W,65N)";kg s-1
2;seaIce;sipr;rain_ai;partly;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Rainfall rate over sea ice;"mass of liquid precipitation falling onto sea ice divided by grid-cell area";kg m-2 s-1
2;seaIce;sishevel; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;monPt;Maximum shear of sea-ice velocity field;"Maximum shear of sea-ice velocity field (second shear strain invariant)";s-1
2;seaIce;sisnhc; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Snow-heat content per unit area;"Heat-content of all snow in grid cell divided by total grid-cell area. Snow-water equivalent at 0 Celsius is assumed to have a heat content of 0 J.  Does not include heat content of sea ice.";J m-2
2;seaIce;sistrxdtop;strairx;partly;C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;X-component of atmospheric stress on sea ice;"X-component of atmospheric stress on sea ice";N m-2
2;seaIce;sistrxubot;strocnx;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;X-component of ocean stress on sea ice;"X-component of ocean stress on sea ice";N m-2
2;seaIce;sistrydtop;strairy;partly;C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Y-component of atmospheric stress on sea ice;"Y-component of atmospheric stress on sea ice";N m-2
2;seaIce;sistryubot;strocny;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Y-component of ocean stress on sea ice;"Y-component of ocean stress on sea ice";N m-2
2;seaIce;sitempbot; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Temperature at ice-ocean interface;"Report temperature at interface, NOT temperature within lowermost model layer";K
2;seaIce;sitempsnic;Tsfc ?;partly;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Temperature at snow-ice interface;"Report surface temperature of ice where snow thickness is zero";K
2;seaIce;sivoln;aice*hi ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea ice volume North;"total volume of sea ice in the Northern hemisphere";1e3 km3
2;seaIce;sivols;aice*hi ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea ice volume South;"total volume of sea ice in the Southern hemisphere";1e3 km3
2;seaIce;sndmassdyn; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Snow Mass Rate of Change through Advection by Sea-ice Dynamics;"the rate of change of snow mass through advection with sea ice divided by grid-cell area";kg m-2 s-1
2;seaIce;sndmassmelt;melts;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Snow Mass Rate of Change through Melt;"the rate of change of snow mass through melt divided by grid-cell area";kg m-2 s-1
2;seaIce;sndmasssi;snoice ?;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Snow Mass Rate of Change through Snow-to-Ice Conversion;"the rate of change of snow mass due to transformation of snow to sea ice divided by grid-cell area";kg m-2 s-1
2;seaIce;sndmasssnf;snow_ai ?;partly;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;snow mass change through snow fall;"mass of solid precipitation falling onto sea ice divided by grid-cell area";kg m-2 s-1
2;seaIce;sndmasssubl; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Snow Mass Rate of Change through Evaporation or Sublimation;"the rate of change of snow mass through sublimation and evaporation divided by grid-cell area";kg m-2 s-1
2;seaIce;sndmasswindrif; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Snow Mass Rate of Change through Wind Drift of Snow;"the rate of change of snow mass through wind drift of snow (from sea-ice into the sea) divided by grid-cell area";kg m-2 s-1
2;seaIce;snmassacrossline; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Snow mass flux through straits;"net (sum of transport in all directions) snow mass transport through the following four passages, positive into the Arctic Ocean 1. Fram Strait = (11.5W,81.3N to (10.5E,79.6N) 2. Canadian Archipela";kg s-1
3;atmos;cfc113global; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Global Mean Mole Fraction of CFC113;"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.";1e-12
3;atmos;cfc11global; ;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Global Mean Mole Fraction of CFC11;"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.";1e-12
3;atmos;cfc12global; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Global Mean Mole Fraction of CFC12;"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.";1e-12
3;atmos;hcfc22global; ;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Global Mean Mole Fraction of HCFC22;"Mole fraction is used in the construction mole_fraction_of_X_in_Y, whereX 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 chemicalformula for HCFC22 is CHClF2.  The IUPAC name for HCFC22 is chloro-difluoro-methane.";1e-12
3;atmosChem;cfc113global; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Global Mean Mole Fraction of CFC113;"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.";1e-12
3;atmosChem;cfc11global; ;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Global Mean Mole Fraction of CFC11;"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.";1e-12
3;atmosChem;cfc12global; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Global Mean Mole Fraction of CFC12;"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.";1e-12
3;atmosChem;hcfc22global; ;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Global Mean Mole Fraction of HCFC22;"Mole fraction is used in the construction mole_fraction_of_X_in_Y, whereX 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 chemicalformula for HCFC22 is CHClF2.  The IUPAC name for HCFC22 is chloro-difluoro-methane.";1e-12
3;ocean;difmxybo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;ocean momentum xy biharmonic diffusivity;"Lateral biharmonic viscosity applied to the momentum equations.";m4 s-1
3;ocean;difmxylo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;Ocean Momentum xy Laplacian Diffusivity;"Lateral Laplacian viscosity applied to the momentum equations.";m2 s-1
3;ocean;diftrbbo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;Ocean Tracer Bolus Biharmonic Diffusivity;"alias::ocean_tracer_bolus_biharmonic_diffusivity";m4 s-1
3;ocean;diftrblo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;Ocean Tracer Bolus Laplacian Diffusivity;"Ocean tracer diffusivity associated with parameterized eddy-induced advective transport. Sometimes this diffusivity is called the 'thickness' diffusivity. For CMIP5, this diagnostic was called 'ocean tracer bolus laplacian diffusivity'.  The CMIP6 name is physically more relevant.";m2 s-1
3;ocean;diftrebo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;Ocean Tracer Epineutral Biharmonic Diffusivity;"Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. ""epineutral diffusivity"" means a lateral diffusivity along a either a neutral or isopycnal density surface due to motion which is not resolved on the grid scale of an ocean model. The type of density surface is dependent on the model formulation. ""biharmonic diffusivity"" means diffusivity for use with a biharmonic diffusion operator.";m4 s-1
3;ocean;diftrelo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;ocean tracer epineutral laplacian diffusivity;"Ocean tracer diffusivity associated with parameterized eddy-induced diffusive transport oriented along neutral or isopycnal directions. Sometimes this diffusivity is called the neutral diffusivity or isopycnal diffusivity or Redi diffusivity.";m2 s-1
3;ocean;diftrxybo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;Ocean Tracer XY Biharmonic Diffusivity;"Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. ""xy diffusivity"" means the lateral along_coordinate component of diffusivity due to motion which is not resolved on the grid scale of the model.  xy diffusivities are used in some ocean models to counteract the numerical instabilities inherent in certain implementations of rotated neutral diffusion. ""biharmonic diffusivity"" means diffusivity for use with a biharmonic diffusion operator.";m4 s-1
3;ocean;diftrxylo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;Ocean Tracer XY Laplacian Diffusivity;"Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. ""xy diffusivity"" means the lateral along_coordinate component of diffusivity due to motion which is not resolved on the grid scale of the model.  xy diffusivities are used in some ocean models to counteract the numerical instabilities inherent in certain implementations of rotated neutral diffusion. ""laplacian diffusivity"" means diffusivity for use with a Laplacian diffusion operator.";m2 s-1
3;ocean;difvho; ;no;CMIP,FAFMIP,GeoMIP,HighResMIP,LUMIP,VIACSAB;monC;Ocean Vertical Heat Diffusivity;"Vertical/dianeutral diffusivity applied to prognostic temperature field.";m2 s-1
3;ocean;difvmbo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;Ocean Vertical Momentum Diffusivity due to Background;"Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. The construction vertical_X_diffusivity means the vertical component of thediffusivity of X due to motion which is not resolved on the grid scale of the model. ""Due to background"" means caused by a time invariant imposed field which may be eitherconstant over the globe or spatially varying, depending on the ocean model used. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.";m2 s-1
3;ocean;difvmfdo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;Ocean Vertical Momentum Diffusivity due to Form Drag;"Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. The construction vertical_X_diffusivity means the vertical component of thediffusivity of X due to motion which is not resolved on the grid scale of the model. ""Due to form drag"" refers to a vertical diffusivity resulting from a model scheme representing  mesoscale eddy-induced form drag. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.";m2 s-1
3;ocean;difvmo; ;no;CMIP,FAFMIP,GeoMIP,HighResMIP,LUMIP,VIACSAB;monC;Ocean Vertical Momentum Diffusivity;"""Vertical momentum diffusivity"" means the vertical component of the diffusivity of momentum due to motion which is not resolved on the grid scale of the model.";m2 s-1
3;ocean;difvmto; ;no;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;Ocean Vertical Momentum Diffusivity due to Tides;"Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. The construction vertical_X_diffusivity means the vertical component of thediffusivity of X due to motion which is not resolved on the grid scale of the model. ""Due to tides"" means due to all astronomical gravity changes which manifest as tides.No distinction is made between different tidal components. The specification of a physicalprocess by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.";m2 s-1
3;ocean;difvso; ;no;CMIP,FAFMIP,GeoMIP,HighResMIP,LUMIP,VIACSAB;monC;ocean vertical salt diffusivity;"Vertical/dianeutral diffusivity applied to prognostic salinity field.";m2 s-1
3;ocean;difvtrbo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;Ocean Vertical Tracer Diffusivity due to Background;"Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. The construction vertical_X_diffusivity means the vertical component of thediffusivity of X due to motion which is not resolved on the grid scale of the model. ""Due to background"" means caused by a time invariant imposed field which may be eitherconstant over the globe or spatially varying, depending on the ocean model used. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.";m2 s-1
3;ocean;difvtrto; ;no;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;Ocean Vertical Tracer Diffusivity due to Tides;"Diffusivity is also sometimes known as the coefficient of diffusion. Diffusion occurs as a result of a gradient in the spatial distribution of mass concentration, temperature or momentum.  The diffusivity may be very different in the vertical and horizontal directions. The construction vertical_X_diffusivity means the vertical component of thediffusivity of X due to motion which is not resolved on the grid scale of the model. ""Due to tides"" means due to all astronomical gravity changes which manifest as tides.No distinction is made between different tidal components. The specification of a physicalprocess by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.";m2 s-1
3;ocean;dispkevfo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;Ocean Kinetic Energy Dissipation Per Unit Area due to Vertical Friction;"Friction, leading to the dissipation of kinetic energy, arises in ocean models as a result of the viscosity of sea water.  Generally, the  lateral (xy) viscosity is given a large value to maintain the numerical stability of the model.  In contrast, the vertical viscosity is usually much smaller. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.";W m-2
3;ocean;dispkexyfo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;ocean kinetic energy dissipation per unit area due to xy friction;"Depth integrated impacts on kinetic energy arising from lateral frictional dissipation associated with Laplacian and/or biharmonic viscosity. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements.";W m-2
3;ocean;tnkebto; ;no;CMIP,FAFMIP,HighResMIP,LUMIP;monC;Tendency of Ocean Eddy Kinetic Energy Content due to Bolus Transport;"Depth integrated impacts on kinetic energy arising from parameterized eddy-induced advection. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements.";W m-2
3;ocean;tnpeo; ;no;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;tendency of ocean potential energy content;"Rate that work is done against vertical stratification, as measured by the vertical heat and salt diffusivity. Report here as depth integrated two-dimensional field.";W m-2
3;ocean;tnpeot; ;no;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;Tendency of Ocean Potential Energy Content due to Tides;"""Content"" indicates a quantity per unit area.  Potential energy is the sum of the gravitational potential energy relative to the geoid and the centripetal potential energy. (The geopotential is the specific potential energy.)  ""Due to tides"" means due to all astronomical gravity changes which manifest as tides.  No distinction is made between different tidal components. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  ""tendency_of_X"" means derivative of X with respect to time.";W m-2
3;ocean;tnpeotb; ;no;CMIP,FAFMIP,HighResMIP,LUMIP,VIACSAB;monC;Tendency of Ocean Potential Energy Content due to Background;"""Content"" indicates a quantity per unit area.  Potential energy is the sum of the gravitational potential energy relative to the geoid and the centripetal potential energy. (The geopotential is the specific potential energy.)  ""Due to background"" means caused by a time invariant imposed field which may be either constant over the globe or spatially varying, depending on the ocean model used. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  ""tendency_of_X"" means derivative of X with respect to time.";W m-2
3;seaIce;sidragbot; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Ocean drag coefficient;"Oceanic drag coefficient that is used to calculate the oceanic momentum drag on sea ice";1
3;seaIce;sidragtop; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Atmospheric drag coefficient;"Atmospheric drag coefficient that is used to calculate the atmospheric momentum drag on sea ice";1
3;seaIce;siforcecoriolx; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Coriolis force term in force balance (x-component);"X-component of force on sea ice caused by coriolis force";N m-2
3;seaIce;siforcecorioly; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Coriolis force term in force balance (y-component);"Y-component of force on sea ice caused by coriolis force";N m-2
3;seaIce;siforceintstrx; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Internal stress term in force balance (x-component);"X-component of force on sea ice caused by internal stress (divergence of sigma)";N m-2
3;seaIce;siforceintstry; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Internal stress term in force balance (y-component);"Y-component of force on sea ice caused by internal stress (divergence of sigma)";N m-2
3;seaIce;siforcetiltx; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea-surface tilt term in force balance (x-component);"X-component of force on sea ice caused by sea-surface tilt";N m-2
3;seaIce;siforcetilty; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea-surface tilt term in force balance (y-component);"Y-component of force on sea ice caused by sea-surface tilt";N m-2
3;seaIce;siitdconc; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea-ice area fractions in thickness categories;"Area fraction of grid cell covered by each ice-thickness category (vector with one entry for each thickness category starting from the thinnest category, netcdf file should use thickness bounds of the categories as third coordinate axis)";%
3;seaIce;siitdsnconc; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Snow area fractions in thickness categories;"Area fraction of grid cell covered by snow in each ice-thickness category (vector with one entry for each thickness category starting from the thinnest category, netcdf file should use thickness bounds of the categories as third coordinate axis)";%
3;seaIce;siitdsnthick; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Snow thickness in thickness categories;"Actual thickness of snow in each  category (NOT volume divided by grid area),  (vector with one entry for each thickness category starting from the thinnest category, netcdf file should use thickness bounds of categories as third coordinate axis)";m
3;seaIce;siitdthick; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Sea-ice thickness in thickness categories;"Actual (floe) thickness of sea ice in each  category (NOT volume divided by grid area),  (vector with one entry for each thickness category starting from the thinnest category, netcdf file should use thickness bounds of categories as third coordinate axis)";m
3;seaIce;simpconc; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Percentage Cover of Sea-Ice by Meltpond;"Fraction of sea ice, by area, which is covered by melt ponds, giving equal weight to every square metre of sea ice .";%
3;seaIce;simpmass; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Meltpond Mass per Unit Area;"Meltpond mass per area of sea ice.";kg m-2
3;seaIce;simprefrozen; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Thickness of Refrozen Ice on Melt Pond;"Volume of refrozen ice on melt ponds divided by meltpond covered area";m
3;seaIce;sirdgconc; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Percentage Cover of Sea-Ice by Ridging;"Fraction of sea ice, by area, which is covered by sea ice ridges, giving equal weight to every square metre of sea ice .";1
3;seaIce;sirdgthick; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Ridged ice thickness;"Sea Ice Ridge Height (representing mean height over the ridged area)";m
3;seaIce;sisali; ;no;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,SIMIP;mon;Sea ice salinity;"Mean sea-ice salinity of all sea ice in grid cell";0.001
3;seaIce;sisaltmass; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;mon;Mass of salt in sea ice per area;"Total mass of all salt in sea ice divided by grid-cell area";kg m-2
3;seaIce;sistremax; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;monPt;Maximum shear stress in sea ice;"Maximum shear stress in sea ice (second stress invariant)";N m-1
3;seaIce;sistresave; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,SIMIP;monPt;Average normal stress in sea ice;"Average normal stress in sea ice (first stress invariant)";N m-1