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,RFMIP;mon;Ambient Aerosol Absorption Optical Thickness at 550 nm;"alias::atmosphere_absorption_optical_thickness_due_to_ambient_aerosol";1
1;aerosol;depdust; ; ;;mon;Total Deposition Rate of Dust;"Balkanski - LSCE";kg m-2 s-1
1;aerosol;drydust;DRY_DUST;partly;AerChemMIP,DAMIP,GeoMIP,HighResMIP;mon;Dry Deposition Rate of Dust;"Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition.";kg m-2 s-1
1;aerosol;emidust; ; ;AerChemMIP,DAMIP,GeoMIP,HighResMIP;mon;total emission rate of dust;"Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;lwp; ; ;AerChemMIP,DAMIP,HighResMIP;mon;liquid water path;"""Content"" indicates a quantity per unit area. The ""atmosphere content"" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including content_of_atmosphere_layer are used.";kg m-2
1;aerosol;mmrbc; ; ;AerChemMIP,CFMIP,DAMIP,RFMIP;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,RFMIP;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; ; ;;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;mmrso4; ; ;AerChemMIP,CFMIP,DAMIP,RFMIP;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;mmrss; ; ;AerChemMIP,CFMIP,DAMIP,GeoMIP,RFMIP;mon;Sea Salt mass mixing ratio;"alias::mass_fraction_of_seasalt_dry_aerosol_particles_in_air";kg kg-1
1;aerosol;od550aer; ; ;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP,RFMIP;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;od550dust; ; ;AerChemMIP,DAMIP,HighResMIP,RFMIP;mon;Dust Optical Depth at 550nm;"alias::atmosphere_optical_thickness_due_to_dust_ambient_aerosol";1
1;aerosol;od550so4; ; ;AerChemMIP,DAMIP,HighResMIP,RFMIP;mon;Sulfate Aerosol Optical Depth at 550nm;"proposed name: atmosphere_optical_thickness_due_to_sulfate_ambient_aerosol";1
1;aerosol;pfull; ; ;AerChemMIP,DAMIP;mon;Pressure on Model Levels;"Air pressure on model levels";Pa
1;aerosol;phalf; ; ;AerChemMIP,DAMIP;mon;Pressure on Model Half-Levels;"Air pressure on model half-levels";Pa
1;aerosol;sedustCI; ; ;;mon;Sedimentation Flux of dust mode coarse insoluble;"Balkanski - LSCE";kg m-2 s-1
1;aerosol;tntrl; ; ;AerChemMIP,CFMIP,DAMIP;mon;tendency_of_air_temperature_due_to_longwave_heating;"Tendency of air temperature due to longwave radiative heating";K s-1
1;aerosol;wetdust; ; ;AerChemMIP,DAMIP,GeoMIP,HighResMIP;mon;wet deposition rate of dust;"""Content"" indicates a quantity per unit area. The ""atmosphere content"" of a quantity refers to the vertical integral from the surface to the top of the atmosphere. For the content between specified levels in the atmosphere, standard names including ""content_of_atmosphere_layer"" are used. The mass is the total mass of the particles. ""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. ""Wet deposition"" means deposition by precipitation. ""tendency_of_X"" means derivative of X with respect to time.";kg m-2 s-1
1;aerosol;zg500;Z500;no;AerChemMIP,DCPP;day;Geopotential Height at 500 hPa;"geopotential height on the 500 hPa surface";m
1;atmos;H2p; ; ;;mon;2H in total precipitation;"Roche - LSCE";
1;atmos;H2s; ; ;;mon;2H in solid precipitation;"Roche - LSCE";
1;atmos;H2wv; ; ;;mon;H2 in water vapor;"Roche - LSCE";
1;atmos;O17p; ; ;;mon;17O in total precipitation;"Roche - LSCE";
1;atmos;O17s; ; ;;mon;17O in solid precipitation;"Roche - LSCE";
1;atmos;O17wv; ; ;;mon;O17 in water vapor;"Roche - LSCE";
1;atmos;O18p; ; ;;mon;18O in total precipitation;"Roche - LSCE";
1;atmos;O18s; ; ;;mon;18O in solid precipitation;"Roche - LSCE";
1;atmos;O18wv; ; ;;mon;O18 in water vapor;"Roche - LSCE";
1;atmos;areacella;area;yes;AerChemMIP,CFMIP,CMIP,DCPP,LS3MIP;fx;Grid-Cell Area for Atmospheric Grid Variables;"For atmospheres with more than 1 mesh (e.g., staggered grids), report areas that apply to surface vertical fluxes of energy.";m2
1;atmos;ch4;CH4;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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;atmos;ch4global;ch4vmr;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;Percentage Cloud Cover;"Percentage cloud cover, including both large-scale and convective cloud.";%
1;atmos;clisccp; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP,RFMIP;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,RFMIP,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;clt;CLDTOT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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;cltisccp; ; ;AerChemMIP,CFMIP,DAMIP,HighResMIP,RFMIP;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,RFMIP,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,RFMIP,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,RFMIP,VolMIP;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,RFMIP,VolMIP;mon,monC;Total Atmospheric Mass of CO2;"Total atmospheric mass of Carbon Dioxide";kg
1;atmos;concdust; ; ;;mon;Concentration of Dust;"alias::mass_concentration_of_dust_dry_aerosol_in_air";kg m-3
1;atmos;evspsbl;QFLX;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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;flashrate; ; ;;mon;Lightning Flash Rate;"proposed name: lightning_flash_rate (units to be interpreted as ""counts km-2 s-1)";km-2 s-1
1;atmos;hfls;LHFLX;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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,RFMIP,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,RFMIP,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,CORDEX,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;day,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;hursmax;RHREFHT;yes;CFMIP,CMIP,DAMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;day;Daily Maximum Near-Surface Relative Humidity;"";%
1;atmos;hursmin;RHREFHT;yes;CFMIP,CMIP,DAMIP,GMMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;day;Daily Minimum Near-Surface Relative Humidity;"";%
1;atmos;hus;Q;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;6hrPt,mon;Specific Humidity;"""specific"" means per unit mass. Specific humidity is the mass fraction of water vapor in (moist) air.";1
1;atmos;hus850; ; ;;day;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,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;mon;Near-Surface Specific Humidity;"Near-surface (usually, 2 meter) specific humidity.";1
1;atmos;intuadse; ; ;;mon;Vertically Integrated Eastward Dry Statice Energy Transport;"Mass weighted vertical integral of the product of northward wind by dry static energy per unit mass: (cp.T +zg).u";1.e6 J m-1 s-1
1;atmos;intuaw; ; ;;mon;Vertically integrated Eastward moisture transport (Mass_weighted_vertical integral of the product of eastward wind by total water mass per unit mass);"Used in PMIP2";kg m-1 s-1
1;atmos;intvadse; ; ;;mon;Vertically integrated Northward dry transport (cp.T +zg).v (Mass_weighted_vertical integral of the product of northward wind by dry static_energy per mass unit);"Used in PMIP2";1.e6 J m-1 s-1
1;atmos;intvaw; ; ;;mon;Vertically integrated Northward moisture transport (Mass_weighted_vertical integral of the product of northward wind by total water mass per unit mass);"Used in PMIP2";kg m-1 s-1
1;atmos;loaddust; ; ;;mon;Load of Dust;"alias::atmosphere_mass_content_of_dust_dry_aerosol";kg m-2
1;atmos;lwsrfasdust; ; ;;mon;All-sky Surface Longwave radiative flux due to Dust;"Balkanski - LSCE";W m-2
1;atmos;lwsrfcsdust; ; ;;mon;Clear-sky Surface Longwave radiative flux due to Dust;"Balkanski - LSCE";W m-2
1;atmos;lwtoaasdust; ; ;;mon;All Sky Longwave Radiative Forcing due to Dust at TOA;"proposed name: toa_instantaneous_longwave_forcing_due_to_dust_ambient_aerosol";W m-2
1;atmos;lwtoacsaer; ; ;;mon;Clear Sky Longwave Radiative Forcing due to  Aerosols at TOA;"proposed name: toa_instantaneous_longwave_forcing_due_to_ambient_aerosol_assuming_clear_sky";W m-2
1;atmos;lwtoacsdust; ; ;;mon;Clear Sky Longwave Radiative Forcing due to Dust at TOA;"Balkanski - LSCE";W m-2
1;atmos;md; ; ;;mon;Wet diameter mode coarse insoluble;"Balkanski - LSCE";kg m-2 s-1
1;atmos;n2o;N2O;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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;atmos;n2oglobal;n2ovmr;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VolMIP;mon,monC;Global Mean Mole Fraction of N2O;"Global mean Nitrous Oxide (N2O)";1e-09
1;atmos;od443dust; ; ;;mon;Optical thickness at 443 nm Dust;"Balkanski - LSCE";1
1;atmos;od550aerso; ; ;GeoMIP;mon;Stratospheric Optical depth at 550 nm (all aerosols) 2D-field (here we limit the computation of OD to the stratosphere only);"From tropopause to stratopause as defined by the model";1
1;atmos;od550so4so; ; ;;mon;Stratospheric Optical depth at 550 nm (sulphate only) 2D-field (here we limit the computation of OD to the stratosphere only);"Balkanski - LSCE";1
1;atmos;od865dust; ; ;;mon;Dust Optical Depth at 865 nm;"Balkanski - LSCE";1
1;atmos;pfull;derived from PS  ;no;;6hrPt;Pressure on Model Levels;"Air pressure on model levels";Pa
1;atmos;pr;PRECT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;Convective Precipitation;"Convective precipitation at surface; includes both liquid and solid phases.";kg m-2 s-1
1;atmos;prhmax; ; ;DCPP;day;Maximum Hourly Precipitation Rate;"In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.";kg m-2 s-1
1;atmos;prsn;PRECSC+PRECSL;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;Water Vapor Path;"vertically integrated through the atmospheric column";kg m-2
1;atmos;ps;PS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;6hrPt,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,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;mon;Sea Level Pressure;"Sea Level Pressure";Pa
1;atmos;rld; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Downwelling Longwave Radiation;"Downwelling Longwave Radiation (includes the fluxes at the surface and TOA)";W m-2
1;atmos;rldcs; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Downwelling Clear-Sky Longwave Radiation;"Downwelling clear-sky 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,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;Surface Downwelling Clear-Sky Longwave Radiation;"Surface downwelling clear-sky longwave radiation";W m-2
1;atmos;rls; ; ;DCPP;mon;Net Longwave Surface Radiation;"Net longwave surface radiation";W m-2
1;atmos;rlu; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Upwelling Longwave Radiation;"Upwelling longwave radiation (includes the fluxes at the surface and TOA)";W m-2
1;atmos;rlucs; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Upwelling Clear-Sky Longwave Radiation;"Upwelling clear-sky 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,RFMIP,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,RFMIP,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,RFMIP,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;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Downwelling Shortwave Radiation;"Downwelling shortwave radiation (includes the fluxes at the surface and top-of-atmosphere)";W m-2
1;atmos;rsdcs; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;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;rsds;RSDS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;mon;Surface Downwelling Shortwave Radiation;"surface solar irradiance for UV calculations";W m-2
1;atmos;rsdscs;FSDSC;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;mon;Surface Downwelling Clear-Sky Shortwave Radiation;"surface solar irradiance clear sky for UV calculations";W m-2
1;atmos;rsdt;FSNTOA+FSUTOA;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;mon;TOA Incident Shortwave Radiation;"Shortwave radiation incident at the top of the atmosphere";W m-2
1;atmos;rss; ; ;DCPP;mon;Net Shortwave Surface Radiation;"Net downward shortwave radiation at the surface";W m-2
1;atmos;rsu; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Upwelling Shortwave Radiation;"Upwelling shortwave radiation  (includes also the fluxes at the surface and top of atmosphere)";W m-2
1;atmos;rsucs; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Upwelling Clear-Sky Shortwave Radiation;"Upwelling clear-sky shortwave radiation  (includes the fluxes at the surface and TOA)";W m-2
1;atmos;rsus;FSDS-FSNS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;Surface Upwelling Clear-Sky Shortwave Radiation;"Surface Upwelling Clear-sky Shortwave Radiation";W m-2
1;atmos;rsut;FSUTOA;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;TOA Outgoing Clear-Sky Shortwave Radiation;"Calculated in the absence of clouds.";W m-2
1;atmos;rtmt;FSNT-FLNT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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;sfcWind;U10;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;mon;Near-Surface Wind Speed;"near-surface (usually, 10 meters) wind speed.";m s-1
1;atmos;sfcWindmax;U10;yes;CFMIP,CMIP,DAMIP,DCPP,HighResMIP,VIACSAB,VolMIP;day;Daily Maximum Near-Surface Wind Speed;"Daily maximum near-surface (usually, 10 meters) wind speed.";m s-1
1;atmos;sftlf;LANDFRAC;yes;AerChemMIP,CFMIP,CMIP,DCPP;fx;Percentage of the grid  cell occupied by land (including lakes(;"Please express ""X_area_fraction"" as the percentage of horizontal area occupied by X.";%
1;atmos;swsrfasdust; ; ;;mon;All-sky Surface Shortwave radiative flux due to Dust;"Balkanski - LSCE";W m-2
1;atmos;swsrfcsdust; ; ;;mon;Clear-sky Surface Shortwave radiative flux due to Dust;"Balkanski - LSCE";W m-2
1;atmos;swtoaasdust; ; ;;mon;all sky sw-rf dust at toa;"proposed name: toa_instantaneous_shortwave_forcing_due_to_dust_ambient_aerosol";W m-2
1;atmos;swtoacsdust; ; ;;mon;clear sky sw-rf dust at toa;"proposed name: toa_instantaneous_shortwave_forcing_due_to_dust_ambient_aerosol_assuming_clear_sky";W m-2
1;atmos;ta;T;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;6hrPt,mon;Air Temperature;"Air Temperature";K
1;atmos;ta500; ; ;;day;Air Temperature;"Temperature on the 500 hPa surface";K
1;atmos;ta850; ; ;DCPP;day;Air Temperature;"Air temperature at 850hPa";K
1;atmos;tas;TREFHT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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,RFMIP,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,RFMIP,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,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;Surface Downward Northward Wind Stress;"Downward northward wind stress at the surface";Pa
1;atmos;tnhus; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Specific Humidity;"Tendency of Specific Humidity";s-1
1;atmos;tnhusa; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Specific Humidity due to Advection;"Tendency of Specific Humidity due to Advection";s-1
1;atmos;tnhusc; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Specific Humidity due to Convection;"Tendencies from cumulus convection scheme.";s-1
1;atmos;tnhusd; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Specific Humidity due to Numerical Diffusion;"Tendency of specific humidity due to numerical diffusion.This includes any horizontal or vertical numerical moisture diffusion not associated with the parametrized moist physics or the resolved dynamics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be excluded, as should any diffusion which is included in the terms from the resolved dynamics.   This term is required to check the closure of the moisture budget.";s-1
1;atmos;tnhusmp; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Specific Humidity due to Model Physics;"Tendency of specific humidity due to model physics. This includes sources and sinks from parametrized moist physics (e.g. convection, boundary layer, stratiform condensation/evaporation, etc.) and excludes sources and sinks from resolved dynamics or from horizontal or vertical numerical diffusion not associated with model physics.  For example any diffusive mixing by the boundary layer scheme would be included.";s-1
1;atmos;tnhusscpbl; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Specific Humidity Due to Stratiform Cloud and Precipitation and Boundary Layer Mixing;"Tendency of Specific Humidity Due to Stratiform Cloud and Precipitation and Boundary Layer Mixing  (to be specified only in  models which do not separate budget terms for stratiform cloud, precipitation and boundary layer schemes.  Includes all boundary layer terms including and diffusive terms.)";s-1
1;atmos;tnt;DTCORE+DTCOND+?;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Air Temperature;"Tendency of Air Temperature";K s-1
1;atmos;tnta; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Air Temperature due to Advection;"Tendency of Air Temperature due to Advection";K s-1
1;atmos;tntc; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Air Temperature due to Convection;"Tendencies from cumulus convection scheme.";K s-1
1;atmos;tntmp; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Air Temperature due to Model Physics;"Tendency of air temperature due to model physics. This includes sources and sinks from parametrized physics (e.g. radiation, convection, boundary layer, stratiform condensation/evaporation, etc.). It excludes sources and sinks from resolved dynamics and numerical diffusion not associated with parametrized physics.  For example, any vertical diffusion which is part of the boundary layer mixing scheme should be included, while numerical diffusion applied in addition to physics or resolved dynamics should be excluded.  This term is required to check the closure of the heat budget.";K s-1
1;atmos;tntr; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Air Temperature due to Radiative Heating;"Tendency of Air Temperature due to Radiative Heating";K s-1
1;atmos;tntscpbl; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Tendency of Air Temperature Due to Stratiform Cloud and Precipitation and Boundary Layer Mixing;"Tendency of Air Temperature Due to Stratiform Cloud and Precipitation and Boundary Layer Mixing (to be specified only in  models which do not separate cloud, precipitation and boundary layer terms.  Includes all boundary layer terms including diffusive ones.)";K s-1
1;atmos;ts;TS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;mon;Surface Temperature;"Temperature of the lower boundary of the atmosphere";K
1;atmos;ua;U;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;6hrPt,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,RFMIP,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,CORDEX,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;6hrPt,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,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;omega (=dp/dt);"Omega (vertical velocity in pressure coordinates, positive downwards)";Pa s-1
1;atmos;wap500;OMEGA500;no;CFMIP,HighResMIP;day;omega (=dp/dt);"Omega (vertical velocity in pressure coordinates, positive downwards) at 500 hPa level;";Pa s-1
1;atmos;zg;Z3;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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;atmos;zmla; ; ;;day;Height of Boundary Layer;"The atmosphere boundary layer thickness is the ""depth"" or ""height"" of the (atmosphere) planetary boundary layer.";m
1;atmosChem;ch4;CH4;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,VolMIP;mon,monC;Global Mean Mole Fraction of CH4;"Global Mean Mole Fraction of CH4";1e-09
1;atmosChem;flashrate; ; ;;mon;Lightning Flash Rate;"proposed name: lightning_flash_rate (units to be interpreted as ""counts km-2 s-1)";km-2 s-1
1;atmosChem;n2o;N2O;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,VolMIP;mon,monC;Global Mean Mole Fraction of N2O;"Global mean Nitrous Oxide (N2O)";1e-09
1;land;agesno; ; ;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VolMIP;mon;Mean Age of Snow;"Age of Snow (when computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.  Reported as missing data in regions free of snow on land.";day
1;land;areacella;area;yes;AerChemMIP,CFMIP,CMIP,DCPP,LS3MIP;fx;Grid-Cell Area for Atmospheric Grid Variables;"For atmospheres with more than 1 mesh (e.g., staggered grids), report areas that apply to surface vertical fluxes of energy.";m2
1;land;areacellr; ;no;CMIP,DCPP;fx;Grid-Cell Area for River Model Variables;"For river routing model, if grid differs from the atmospheric grid.";m2
1;land;baresoilFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,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;cLand; ; ;C4MIP,DCPP,LUMIP;mon;Total Carbon in All Terrestrial Carbon Pools;"Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction.";kg m-2
1;land;cLitter;TOTLITC;partly;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,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,RFMIP,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,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;Percentage Crop Cover;"Percentage of entire grid cell  that is covered by crop.";%
1;land;cropFracC3; ; ;C4MIP,LUMIP;mon;Percentage Cover by C3 Crops;"Percentage of entire grid cell covered by C3 crops";%
1;land;cropFracC4; ; ;C4MIP,LUMIP;mon;Percentage Cover by C4 Crops;"Percentage of entire grid cell covered by C4 crops";%
1;land;evspsblpot; ; ;;mon;Potential Evapotranspiration;"at surface; potential flux of water into the atmosphere due to conversion of both liquid and solid phases to vapor (from underlying surface and vegetation)";kg m-2 s-1
1;land;evspsblsoi;QSOIL;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,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,RFMIP,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;fLitterSoil; ;no;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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;fN2O; ; ;C4MIP,LUMIP;mon;Total land N2O flux;"";kg m-2 s-1
1;land;fNgas; ; ;C4MIP,LUMIP;mon;Total Nitrogen lost to the atmosphere (sum of NHx, NOx, N2O, N2);"";kg m-2 s-1
1;land;fNleach; ; ;C4MIP,LUMIP;mon;Total N loss to leaching or runoff (sum of ammonium, nitrite and nitrate);"In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics. 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. ""Leaching"" means the loss of water soluble chemical species from soil. Runoff is the liquid water which drains from land. If not specified, ""runoff"" refers to the sum of surface runoff and subsurface drainage.";kg m-2 s-1
1;land;fNnetmin; ; ;C4MIP,LUMIP;mon;Net nitrogen release from soil and litter as the outcome of nitrogen immobilisation and gross mineralisation;"";kg m-2 s-1
1;land;fNup; ; ;C4MIP,LUMIP;mon;total plant nitrogen uptake (sum of ammonium and nitrate), irrespective of the source of nitrogen;"";kg m-2 s-1
1;land;fVegLitter;LITFALL;partly;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,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,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;Natural Grass Area Percentage;"Percentage of entire grid cell that is covered by natural grass.";%
1;land;grassFracC3; ; ;C4MIP,LUMIP;mon;C3 grass Area Percentage;"Fraction of entire grid cell covered by C3 grass.";%
1;land;grassFracC4; ; ;C4MIP,LUMIP;mon;C4 grass Area Percentage;"Fraction of entire grid cell covered by C4 grass.";%
1;land;hfdsn; ; ;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VolMIP;mon;Downward Heat Flux into Snow Where Land over Land;"the net downward heat flux from the atmosphere into the snow that lies on land divided by the land area in the grid cell; reported as 0.0 for snow-free land regions or where the land fraction is 0.";W m-2
1;land;lai;TLAI;partly;AerChemMIP,C4MIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,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;mrlso;SOILLIQ;partly;C4MIP,LUMIP;mon;Soil Liquid Water Content;"The mass (summed over all all layers) of liquid water.";kg m-2
1;land;mrro;QRUNOFF+QSNWCPICE;partly;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,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;mrsfl;SOILICE;partly;C4MIP,LUMIP;mon;Frozen water content of soil layer;"in each soil layer, the mass of water in ice phase.  Reported as ""missing"" for grid cells occupied entirely by ""sea""";kg m-2
1;land;mrsll; ; ;C4MIP,LUMIP;mon;Liquid water content of soil layer;"in each soil layer, the mass of water in liquid phase.  Reported as ""missing"" for grid cells occupied entirely by ""sea""";kg m-2
1;land;mrso;SOILLIQ+SOILICE;partly;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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;mrsofc; ;no;CMIP,DCPP,LS3MIP;fx;Capacity of Soil to Store Water (Field Capacity);"The bulk water content retained by the soil at -33 J/kg of suction pressure, expressed as mass per unit land area; report as missing where there is no land";kg m-2
1;land;mrsol; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,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;nLand; ;no;C4MIP,LUMIP;mon;Total nitrogen in all terrestrial nitrogen pools;"Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction.";kg m-2
1;land;nLitter; ;no;C4MIP,LUMIP;mon;Nitrogen Mass in Litter Pool;"Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction.";kg m-2
1;land;nProduct; ;no;C4MIP,LUMIP;mon;Nitrogen Mass in Products of Land Use Change;"Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction.";kg m-2
1;land;nSoil; ; ;C4MIP,LUMIP;mon;Nitrogen Mass in Soil Pool;"Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction.";kg m-2
1;land;nVeg; ; ;C4MIP,LUMIP;mon;Nitrogen Mass in Vegetation;"Report missing data over ocean grid cells. For fractional land report value averaged over the land fraction.";kg m-2
1;land;nbp;NBP;partly;AerChemMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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;netAtmosLandCO2Flux; ; ;C4MIP,DCPP,LUMIP;mon;Net flux of CO2 between atmosphere and land (positive into land) as a result of all processes.;"This flux should be reproducible by differencing the sum of all carbon pools (cVeg, cLitter, cSoil, and cProducts or equivalently cLand) from one time step to the next, except in the case of lateral transfer of carbon due to harvest, riverine transport of dissolved organic and/or inorganic carbon, or any other process (in which case the lateral_carbon_transfer_over_land term, see below, will be zero data).";kg m-2 s-1
1;land;npp;NPP;partly;AerChemMIP,C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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;orog;PHIS;yes;AerChemMIP,CFMIP,CMIP,DCPP,LS3MIP;fx,mon;surface altitude;"The surface called ""surface"" means the lower boundary of the atmosphere. Altitude is the (geometric) height above the geoid, which is the reference geopotential surface. The geoid is similar to mean sea level.";m
1;land;pastureFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,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,RFMIP,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,RFMIP,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;rootd; ;no;CMIP,DCPP,LS3MIP;fx;Maximum Root Depth;"report the maximum soil depth reachable by plant roots (if defined in model), i.e., the maximum soil depth from which they can extract moisture; report as *missing* where the land fraction is 0.";m
1;land;sbl; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,VIACSAB,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;sftgif;PCT_GLACIER*0.01;yes;CMIP,DCPP,ISMIP6,LS3MIP;fx;Land Ice Area Fraction;"Fraction of grid cell covered by land ice (ice sheet, ice shelf, ice cap, glacier)";%
1;land;shrubFrac; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;mon;Percentage Cover by Shrub;"Percentage of entire grid cell  that is covered by shrub.";%
1;land;snc; ; ;C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Snow Area Fraction;"Fraction of each grid cell that is occupied by snow that rests on land portion of cell.";%
1;land;snd; ; ;C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Snow Depth;"where land over land, this is computed as the mean thickness of snow in the land portion of the grid cell (averaging over the entire land portion, including the snow-free fraction).  Reported as 0.0 where the land fraction is 0.";m
1;land;snm; ; ;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Surface Snow Melt;"The total surface snow melt rate on the land portion of the grid cell divided by the land area in the grid cell; report as zero for snow-free land regions and missing where there is no land.";kg m-2 s-1
1;land;snw; ; ;C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Surface Snow Amount;"The mass of surface snow on the land portion of the grid cell divided by the land area in the grid cell; reported as missing where the land fraction is 0; excludes snow on vegetation canopy or on sea ice.";kg m-2
1;land;tran;QVEGT;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,VIACSAB,VolMIP;mon;Percentage Tree Cover;"Percentage of entire grid cell  that is covered by trees.";%
1;land;treeFracBdlDcd; ; ;C4MIP,LUMIP;mon;Broadleaf deciduous tree fraction;"This is the fraction of the entire grid cell  that is covered by broadleaf deciduous trees.";%
1;land;treeFracBdlEvg; ; ;C4MIP,LUMIP;mon;Broadleaf evergreen tree fraction;"This is the fraction of the entire grid cell  that is covered by broadleaf evergreen trees.";%
1;land;treeFracNdlDcd; ; ;C4MIP,LUMIP;mon;Needleleaf deciduous tree fraction;"This is the fraction of the entire grid cell  that is covered by needleleaf deciduous trees.";%
1;land;treeFracNdlEvg; ; ;C4MIP,LUMIP;mon;Needleleaf evergreen tree fraction;"This is the fraction of the entire grid cell  that is covered by needleleaf evergreen trees.";%
1;land;tslsi; ; ;CFMIP,CMIP,CORDEX,DAMIP,HighResMIP,VIACSAB,VolMIP;day;Surface Temperature where Land or Sea Ice;"Surface temperature of all surfaces except open ocean.";K
1;land;vegFrac; ; ;C4MIP,LUMIP;mon;Total vegetated fraction;"fraction of grid cell that is covered by vegetation.This SHOULD be the sum of tree, grass, crop and shrub fractions.";%
1;landIce;agesno; ; ;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VolMIP;mon;Mean Age of Snow;"Age of Snow (when computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.  Reported as missing data in regions free of snow on land.";day
1;landIce;hfdsn; ; ;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VolMIP;mon;Downward Heat Flux into Snow Where Land over Land;"the net downward heat flux from the atmosphere into the snow that lies on land divided by the land area in the grid cell; reported as 0.0 for snow-free land regions or where the land fraction is 0.";W m-2
1;landIce;mrfso;SOILICE;partly;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,RFMIP,VIACSAB,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;landIce;snc; ; ;C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Snow Area Fraction;"Fraction of each grid cell that is occupied by snow that rests on land portion of cell.";%
1;landIce;snd; ; ;C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Snow Depth;"where land over land, this is computed as the mean thickness of snow in the land portion of the grid cell (averaging over the entire land portion, including the snow-free fraction).  Reported as 0.0 where the land fraction is 0.";m
1;landIce;snm; ; ;C4MIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Surface Snow Melt;"The total surface snow melt rate on the land portion of the grid cell divided by the land area in the grid cell; report as zero for snow-free land regions and missing where there is no land.";kg m-2 s-1
1;landIce;snw; ; ;C4MIP,CFMIP,CMIP,DAMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Surface Snow Amount;"The mass of surface snow on the land portion of the grid cell divided by the land area in the grid cell; reported as missing where the land fraction is 0; excludes snow on vegetation canopy or on sea ice.";kg m-2
1;ocean;O18sw; ; ;;mon;O18 in sea water;"Roche - LSCE";
1;ocean;areacello;parea;partly;CMIP,DCPP,OMIP;fx;Grid-Cell Area for Ocean Variables;"Horizontal area of ocean grid cells";m2
1;ocean;basin;pmask, mertraoceans;partly;CFMIP,CMIP,DCPP,OMIP;fx;Region Selection Index;"A variable with the standard name of region contains strings which indicate geographical regions. These strings must be chosen from the standard region list.";1
1;ocean;deptho;pdepth;partly;CMIP,DCPP,OMIP;fx;Sea Floor Depth Below Geoid;"Ocean bathymetry.   Reported here is the sea floor depth for present day relative to z=0 geoid. Reported as missing for land grid cells.";m
1;ocean;hcont300; ; ;;mon;Heat content of upper 300 meters;"Used in PMIP2";m K
1;ocean;hfgeou;tidal_dissipation.nc input file ;partly;CMIP,DCPP,OMIP;fx;Upward Geothermal Heat Flux at Sea Floor;"""Upward"" indicates a vector component which is positive when directed upward (negative downward).  In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.";W m-2
1;ocean;sftof;pmask;partly;CMIP,DCPP,OMIP;fx;Sea Area Fraction;"This is the area fraction at the ocean surface.";%
1;ocean;sithick;hi ;partly;C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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;sltnortha;msflx;no;;mon;Atlantic Northward Ocean Salt Transport;"""Northward"" indicates a vector component which is positive when directed northward (negative southward). Ocean transport means transport by all processes, both sea water and sea ice.";kg s-1
1;ocean;t20d; ; ;DCPP;mon;20C isotherm depth;"This quantity, sometimes called the ""isotherm depth"", is the depth (if it exists) at which the sea water potential temperature equals some specified value. This value should be specified in a scalar coordinate variable. Depth is the vertical distance below the surface. Potential temperature is the temperature a parcel of air or sea water would have if moved adiabatically to sea level pressure.";m
1;ocean;thetaot; ; ;DCPP;mon;Vertically Averaged Sea Water Potential Temperature;"Vertical average of the sea water potential temperature through the whole ocean depth";degC
1;ocean;volcello;dz;partly;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,LUMIP,OMIP;fx;Ocean Grid-Cell Volume;"grid-cell volume ca. 2000.";m3
1;ocean;wo; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Sea Water Vertical Velocity;"A velocity is a vector quantity. ""Upward"" indicates a vector component which is positive when directed upward (negative downward).";m s-1
1;ocnBgChem;chl; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Total Chlorophyll Mass Concentration;"Sum of chlorophyll from all phytoplankton group concentrations.  In most models this is equal to chldiat+chlmisc, that is the sum of Diatom Chlorophyll Mass Concentration and Other Phytoplankton Chlorophyll Mass Concentration";kg m-3
1;ocnBgChem;dfe; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Dissolved Iron Concentration;"Dissolved iron in sea water,  including both Fe2+ and Fe3+ ions (but not particulate detrital iron)";mol m-3
1;ocnBgChem;fg13co2; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP;mon;Total air-sea flux of 13CO2;"alias::surface_downward_mass_flux_of_carbon13_dioxide_abiotic_analogue_expressed_as_carbon13";kg m-2 s-1
1;ocnBgChem;no3; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Dissolved Nitrate Concentration;"Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.";mol m-3
1;ocnBgChem;o2; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Dissolved Oxygen Concentration;"'Mole concentration' means number of moles per unit volume, also called""molarity"", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'.";mol m-3
1;ocnBgChem;si; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Total Dissolved Inorganic Silicon Concentration;"Mole concentration means number of moles per unit volume, also called ""molarity"", and is used in the construction ""mole_concentration_of_X_in_Y"", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as ""nitrogen"" or a phrase such as ""nox_expressed_as_nitrogen"". ""Dissolved inorganic silicon"" means the sum of all inorganic silicon in solution (including silicic acid and its first dissociated anion SiO(OH)3-).";mol m-3
1;seaIce;siconc;aice;partly;C4MIP,CFMIP,CMIP,CORDEX,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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,RFMIP,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,RFMIP,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;sisnthick;hs;partly;C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,SIMIP;mon;Snow thickness;"Actual thickness of snow (snow volume divided by snow-covered area)";m
1;seaIce;sitemptop;Tsfc ?;partly;C4MIP,CFMIP,CMIP,DAMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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,RFMIP,SIMIP;mon;Sea-ice thickness;"Actual (floe) thickness of sea ice (NOT volume divided by grid area as was done in CMIP5)";m
2;atmos;clc; ;no;AerChemMIP,CFMIP,DAMIP,GeoMIP,HighResMIP;mon;Convective Cloud Area Fraction;"Include only convective cloud.";%
2;atmos;cls; ; ;AerChemMIP,CFMIP,GeoMIP,HighResMIP;mon;Percentage Cover of Stratiform Cloud;"""Layer"" means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. ""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"". In an atmosphere model, stratiform cloud is that produced by large-scale convergence (not the convection schemes).";%
2;atmos;tdps; ; ;DCPP;mon;2m dewpoint temperature;"Dew point temperature is the temperature at which a parcel of air reaches saturation upon being cooled at constant pressure and specific humidity.";K
2;land;c13Land; ;no;C4MIP,LUMIP;mon;Mass of 13C in all terrestrial carbon pools;"""Content"" indicates a quantity per unit area. ""Vegetation"" means any living plants e.g. trees, shrubs, grass. ""Litter"" is dead plant material in or above the soil. The ""soil content"" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. Examples of ""forestry and agricultural products"" are paper, cardboard, furniture, timber for construction, biofuels and food for both humans and livestock. Models that simulate land use changes have one or more pools of carbon that represent these products in order to conserve carbon and allow its eventual release into the atmosphere, for example, when the products decompose in landfill sites. ""C"" means the element carbon and ""13C"" is the stable isotope ""carbon-13"", having six protons and seven neutrons.";kg m-2
2;land;c13Litter; ;no;C4MIP,LUMIP;mon;Mass of 13C in Litter Pool;"""Content"" indicates a quantity per unit area. ""Litter"" is dead plant material in or above the soil. ""C"" means the element carbon and ""13C"" is the stable isotope ""carbon-13"", having six protons and seven neutrons.";kg m-2
2;land;c13Soil; ;no;C4MIP,LUMIP;mon;Mass of 13C in Soil Pool;"""Content"" indicates a quantity per unit area. The ""soil content"" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including ""content_of_soil_layer"" are used. ""C"" means the element carbon and ""13C"" is the stable isotope ""carbon-13"", having six protons and seven neutrons.";kg m-2
2;land;c13Veg; ;no;C4MIP,LUMIP;mon;Mass of 13C in Vegetation;"""Content"" indicates a quantity per unit area. ""Vegetation"" means any living plants e.g. trees, shrubs, grass. ""C"" means the element carbon and ""13C"" is the stable isotope ""carbon-13"", having six protons and seven neutrons.";kg m-2
2;land;c14Land; ; ;C4MIP,LUMIP;mon;Mass of 14C in all terrestrial carbon pools;"""Content"" indicates a quantity per unit area. ""Vegetation"" means any living plants e.g. trees, shrubs, grass. ""Litter"" is dead plant material in or above the soil. The ""soil content"" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. Examples of ""forestry and agricultural products"" are paper, cardboard, furniture, timber for construction, biofuels and food for both humans and livestock. Models that simulate land use changes have one or more pools of carbon that represent these products in order to conserve carbon and allow its eventual release into the atmosphere, for example, when the products decompose in landfill sites. ""C"" means the element carbon and ""14C"" is the radioactive isotope ""carbon-14"", having six protons and eight neutrons and used in radiocarbon dating.";kg m-2
2;land;c14Litter; ;no;C4MIP,LUMIP;mon;Mass of 14C in Litter Pool;"""Content"" indicates a quantity per unit area. ""Litter"" is dead plant material in or above the soil. ""C"" means the element carbon and ""14C"" is the radioactive isotope ""carbon-14"", having six protons and eight neutrons and used in radiocarbon dating.";kg m-2
2;land;c14Soil; ;no;C4MIP,LUMIP;mon;Mass of 14C in Soil Pool;"""Content"" indicates a quantity per unit area. The ""soil content"" of a quantity refers to the vertical integral from the surface down to the bottom of the soil model. For the content between specified levels in the soil, standard names including ""content_of_soil_layer"" are used. ""C"" means the element carbon and ""14C"" is the radioactive isotope ""carbon-14"", having six protons and eight neutrons and used in radiocarbon dating.";kg m-2
2;land;c14Veg; ;no;C4MIP,LUMIP;mon;Mass of 14C in Vegetation;"""Content"" indicates a quantity per unit area. ""Vegetation"" means any living plants e.g. trees, shrubs, grass. ""C"" means the element carbon and ""14C"" is the radioactive isotope ""carbon-14"", having six protons and eight neutrons and used in radiocarbon dating.";kg m-2
2;land;c3PftFrac; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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,RFMIP,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;gppc13; ; ;C4MIP,LUMIP;mon;Mass Flux of 13C out of Atmosphere due to Gross Primary Production on Land;"";kg m-2 s-1
2;land;gppc14; ; ;C4MIP,LUMIP;mon;Mass Flux of 14C out of Atmosphere due to Gross Primary Production on Land;"";kg m-2 s-1
2;land;landCoverFrac; ;no;AerChemMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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;mrtws; ; ;C4MIP,LUMIP;mon;Terrestrial Water Storage;"Mass of water in all phases and in all components including soil, canopy, vegetation, ice sheets, rivers and ground water.";kg m-2
2;land;netAtmosLandC13Flux; ; ;C4MIP,LUMIP;mon;Net Mass Flux of 13C between atmosphere and land (positive into land) as a result of all processes.;"";kg m-2 s-1
2;land;netAtmosLandC14Flux; ; ;C4MIP,LUMIP;mon;Net Mass Flux of 14C between atmosphere and land (positive into land) as a result of all processes.;"";kg m-2 s-1
2;land;rac13; ; ;C4MIP,LUMIP;mon;Mass Flux of 13C into Atmosphere due to Autotrophic (Plant) Respiration on Land;"";kg m-2 s-1
2;land;rac14; ;no;C4MIP,LUMIP;mon;Mass Flux of 14C into Atmosphere due to Autotrophic (Plant) Respiration on Land;"";kg m-2 s-1
2;land;rhc13; ;no;C4MIP,LUMIP;mon;Mass Flux of 13C into Atmosphere due to Heterotrophic Respiration on Land;"";kg m-2 s-1
2;land;rhc14; ; ;C4MIP,LUMIP;mon;Mass Flux of 14C into Atmosphere due to Heterotrophic Respiration on Land;"";kg m-2 s-1
2;land;tsl;TSOI;partly;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;mon;Temperature of Soil;"Temperature of soil. Reported as missing for grid cells with no land.";K
2;land;vegHeight; ;no;C4MIP,CMIP,DAMIP,DCPP,HighResMIP,LUMIP;fx,mon;Vegetation height averaged over all vegetation types and over the vegetated fraction of a grid cell.;"Height is the vertical distance above the surface. ""Canopy"" means the plant or vegetation canopy.";m
2;land;vegHeightCrop; ; ;C4MIP,LUMIP;mon;Vegetation height averaged over the crop fraction of a grid cell.;"Height is the vertical distance above the surface. ""Canopy"" means the plant or vegetation canopy.";m
2;land;vegHeightGrass; ; ;C4MIP,LUMIP;mon;Vegetation height averaged over the grass fraction of a grid cell.;"Height is the vertical distance above the surface. ""Canopy"" means the plant or vegetation canopy.";m
2;land;vegHeightShrub; ; ;C4MIP,LUMIP;mon;Vegetation height averaged over the shrub fraction of a grid cell.;"Height is the vertical distance above the surface. ""Canopy"" means the plant or vegetation canopy.";m
2;land;vegHeightTree; ; ;C4MIP,LUMIP;mon;Vegetation height averaged over the tree fraction of a grid cell.;"Height is the vertical distance above the surface. ""Canopy"" means the plant or vegetation canopy.";m
2;land;wetlandCH4; ; ;C4MIP,LUMIP;mon;Grid averaged methane emissions from wetlands;"";kg m-2 s-1
2;land;wetlandFrac; ; ;C4MIP,LUMIP;mon;Fraction of a grid cell covered by wetland.;"Report only one year if specified fraction is used, or time series if values are determined dynamically.";%
2;ocean;sltbasin;msflx;partly;;mon;Northward Ocean Salt Transport;"function of latitude, basin";kg s-1
2;ocean;thkcello;dz;partly;CMIP,DCPP;fx;Ocean Model Cell Thickness;"""Thickness"" means the vertical extent of a layer. ""Cell"" refers to a model grid-cell.";m
2;ocnBgChem;dissi13c; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP;mon;Dissolved Inorganic 13Carbon Concentration;"Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration";mol m-3
2;ocnBgChem;dissi14c; ;no;C4MIP,LUMIP;mon;Concentration of DI14C;"alias::mole_concentration_of_dissolved_inorganic_carbon14_in_sea_water";mol m-3
2;ocnBgChem;expc; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Downward Flux of Particulate Organic Carbon;"Downward flux of particulate organic carbon";mol m-2 s-1
2;ocnBgChem;expcalc; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Downward Flux of Calcite;"Downward flux of Calcite";mol m-2 s-1
2;ocnBgChem;expsi; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Sinking Particulate Silica Flux;"In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid.";mol m-2 s-1
2;ocnBgChem;fg14co2; ; ;C4MIP,LUMIP;mon;Total air-sea flux of 14CO2;"alias::surface_downward_mass_flux_of_carbon14_dioxide_abiotic_analogue_expressed_as_carbon";kg m-2 s-1
2;ocnBgChem;limfediat; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Iron Limitation of Diatoms;"Diatoms are phytoplankton with an external skeleton made of silica. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Iron growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability.";1
2;ocnBgChem;limirrdiat; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Irradiance Limitation of Diatoms;"Diatoms are phytoplankton with an external skeleton made of silica. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 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. ""Irradiance"" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. ""Growth limitation due to solar irradiance"" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance.";1
2;ocnBgChem;limndiat; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Nitrogen Limitation of Diatoms;"Diatoms are phytoplankton with an external skeleton made of silica. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Nitrogen growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability.";1
2;ocnBgChem;ph; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP,VIACSAB;mon;pH;"negative log of hydrogen ion concentration with the concentration expressed as mol H kg-1.";1
2;ocnBgChem;phyc; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Phytoplankton Carbon Concentration;"sum of phytoplankton carbon component concentrations.  In most (all?) cases this is the sum of phycdiat and phycmisc (i.e., ""Diatom Carbon Concentration"" and ""Non-Diatom Phytoplankton Carbon Concentration""";mol m-3
2;ocnBgChem;pp; ; ;AerChemMIP,CMIP,GeoMIP,LUMIP,OMIP,VIACSAB;yr;Primary Carbon Production by Phytoplankton;"total primary (organic carbon) production by phytoplankton";mol m-3 s-1
2;seaIce;siage;iage;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,SIMIP;mon;Age of sea ice;"Age of sea ice";s
2;seaIce;sidmassevapsubl;evap_ai ?;partly;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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;sidmassmeltbot;meltb ?;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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,RFMIP,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;sifllatstop;flat_ai;partly;C4MIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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,RFMIP,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,RFMIP,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,RFMIP,SIMIP;mon;Net upward sensible heat flux over sea ice;"the net sensible heat flux over sea ice";W m-2
2;seaIce;siflswdtop;fswdn_ai;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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,RFMIP,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,RFMIP,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,RFMIP,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,RFMIP,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;sndmassmelt;melts;partly;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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;sndmasssnf;snow_ai ?;partly;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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
3;land;tpf; ; ;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Permafrost Layer Thickness;"The mean thickness of the permafrost layer in the land portion of the grid cell.  Reported as zero in permafrost-free regions.";m
3;landIce;tpf; ; ;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Permafrost Layer Thickness;"The mean thickness of the permafrost layer in the land portion of the grid cell.  Reported as zero in permafrost-free regions.";m
3;ocnBgChem;fric; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Downward Inorganic Carbon Flux at Ocean Bottom;"Inorganic Carbon loss to sediments";mol m-2 s-1
3;ocnBgChem;froc; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VolMIP;mon;Downward Organic Carbon Flux at Ocean Bottom;"Organic Carbon loss to sediments";mol m-2 s-1
3;ocnBgChem;limfecalc; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Iron Limitation of Calcareous Phytoplankton;"""Calcareous phytoplankton"" are phytoplankton that produce calcite. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Iron growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability.";1
3;ocnBgChem;limfediaz; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Iron Limitation of Diazotrophs;"In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Iron growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability.";1
3;ocnBgChem;limfemisc; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Iron Limitation of Other Phytoplankton;"Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Miscellaneous phytoplankton"" are all those phytoplankton that are not diatoms, diazotrophs, calcareous phytoplankton, picophytoplankton or other separately named components of the phytoplankton population. ""Iron growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability.";1
3;ocnBgChem;limfepico; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Iron Limitation of Picophytoplankton;"Picophytoplankton are phytoplankton of less than 2 micrometers in size. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Iron growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of iron) to the theoretical growth rate if there were no such limit on iron availability.";1
3;ocnBgChem;limirrcalc; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Irradiance Limitation of Calcareous Phytoplankton;"""Calcareous phytoplankton"" are phytoplankton that produce calcite.  Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 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. ""Irradiance"" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. ""Growth limitation due to solar irradiance"" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance.";1
3;ocnBgChem;limirrdiaz; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Irradiance Limitation of Diazotrophs;"In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 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. ""Irradiance"" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. ""Growth limitation due to solar irradiance"" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance.";1
3;ocnBgChem;limirrmisc; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Irradiance Limitation of Other Phytoplankton;"Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Miscellaneous phytoplankton"" are all those phytoplankton that are not diatoms, diazotrophs, calcareous phytoplankton, picophytoplankton or other separately named components of the phytoplankton population. 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. ""Irradiance"" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. ""Growth limitation due to solar irradiance"" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance.";1
3;ocnBgChem;limirrpico; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Irradiance Limitation of Picophytoplankton;"Picophytoplankton are phytoplankton of less than 2 micrometers in size. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. 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. ""Irradiance"" means the power per unit area (called radiative flux in other standard names), the area being normal to the direction of flow of the radiant energy. Solar irradiance is essential to the photosynthesis reaction and its presence promotes the growth of phytoplankton populations. ""Growth limitation due to solar irradiance"" means the ratio of the growth rate of a species population in the environment (where the amount of sunlight reaching a location may be limited) to the theoretical growth rate if there were no such limit on solar irradiance.";1
3;ocnBgChem;limncalc; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Nitrogen Limitation of Calcareous Phytoplankton;"""Calcareous phytoplankton"" are phytoplankton that produce calcite. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Nitrogen growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability.";1
3;ocnBgChem;limndiaz; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Nitrogen Limitation of Diazotrophs;"In ocean modelling, diazotrophs are phytoplankton of the phylum cyanobacteria distinct from other phytoplankton groups in their ability to fix nitrogen gas in addition to nitrate and ammonium. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Nitrogen growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability.";1
3;ocnBgChem;limnmisc; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Nitrogen Limitation of Other Phytoplankton;"Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Miscellaneous phytoplankton"" are all those phytoplankton that are not diatoms, diazotrophs, calcareous phytoplankton, picophytoplankton or other separately named components of the phytoplankton population. ""Nitrogen growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability.";1
3;ocnBgChem;limnpico; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Nitrogen Limitation of Picophytoplankton;"Picophytoplankton are phytoplankton of less than 2 micrometers in size. Phytoplankton are algae that grow where there is sufficient light to support photosynthesis. ""Nitrogen growth limitation"" means the ratio of the growth rate of a species population in the environment (where there is a finite availability of nitrogen) to the theoretical growth rate if there were no such limit on nitrogen availability.";1
3;seaIce;sisali; ;no;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,SIMIP;mon;Sea ice salinity;"Mean sea-ice salinity of all sea ice in grid cell";0.001