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,GeoMIP,HighResMIP,PMIP,RFMIP;mon;Ambient Aerosol Absorption Optical Thickness at 550 nm;"alias::atmosphere_absorption_optical_thickness_due_to_ambient_aerosol";1
1;aerosol;airmass; ;no;AerChemMIP;mon;Vertically integrated mass content of air in layer;"""Mass_of_air"" means the mass due solely to the gaseous constituents of the atmosphere.  The standard name for the mass including precipitation and aerosol particles is atmosphere_mass_per_unit_area.";kg m-2
1;aerosol;aoanh; ;no;AerChemMIP;mon;Northern Hemisphere Tracer Lifetime;"Fixed surface layer mixing ratio over 30o-50oN (0 ppbv), uniform fixed source (at all levels) everywhere else (source is unspecified but must be constant in space and time and documented). Note that the source could be 1yr/yr, so the tracer concentration provides mean age in years. For method using linearly increasing tracer include a method attribute: ""linearly increasing tracer""For method using uniform source (1yr/yr) include a method attribute: ""uniform source""";yr
1;aerosol;bldep; ;no;AerChemMIP,HighResMIP;mon;Boundary Layer Depth;"Boundary layer depth";m
1;aerosol;c2h2; ;no;AerChemMIP;mon;C2H2 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;aerosol;c2h6; ;no;AerChemMIP;mon;C2H6 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;aerosol;c3h6; ;no;AerChemMIP;mon;C3H6  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;aerosol;c3h8; ;no;AerChemMIP;mon;C3H8  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;aerosol;ccn; ;no;AerChemMIP,HighResMIP;mon;cloud condensation nuclei concentration at liquid cloud top;"proposed name: number_concentration_of_ambient_aerosol_in_air_at_liquid_water_cloud_top";m-3
1;aerosol;cdnc;CDNC;no;AerChemMIP,CFMIP;mon;Cloud Droplet Number Concentration;"Cloud Droplet Number Concentration in liquid water clouds.";m-3
1;aerosol;ch3coch3; ;no;AerChemMIP;mon;CH3COCH3  volume mixing ratio;"Mole fraction is used in the construction ""mole_fraction_of_X_in_Y"", where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as ""nitrogen"" or a phrase such as ""nox_expressed_as_nitrogen"". Acetone is an organic molecule with the chemical formula CH3CH3CO. The IUPAC name for acetone is propan-2-one. Acetone is a member of the group of organic compounds known as ketones. There are standard names for the ketone group as well as for some of the individual species.";mol mol-1
1;aerosol;ch4;CH4?;no;AerChemMIP;mon;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;aerosol;cheaqpso4; ;no;AerChemMIP;mon;Aqueous-phase production rate of SO4;"proposed name: tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_aqueous_phase_net_chemical_production";kg m-2 s-1
1;aerosol;chegpso4; ;no;AerChemMIP;mon;Gas-phase production rate of SO4;"proposed name: tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_gas_phase_net_chemical_production";kg m-2 s-1
1;aerosol;chepasoa; ;no;AerChemMIP,HighResMIP;mon;total net production of anthropogenic secondary organic aerosol;"anthropogenic part of chepsoa";kg m-2 s-1
1;aerosol;chepsoa; ;no;AerChemMIP,HighResMIP;mon;chemical production of dry aerosol secondary organic matter;"If model lumps SOA emissions with POA, then the sum of POA and SOA emissions is reported as OA emissions. """"mass"""" refers to the mass of primary organic matter, not mass of organic carbon alone.";kg m-2 s-1
1;aerosol;cltc; ;no;AerChemMIP,HighResMIP;mon;Convective Cloud Cover Percentage;"Convective cloud area fraction for the whole atmospheric column, as seen from the surface or the top of the atmosphere. Includes only convective cloud.";%
1;aerosol;co; ;no;AerChemMIP;mon;CO 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;aerosol;co2;CO2?;no;AerChemMIP;mon;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;aerosol;cod; ;no;AerChemMIP,HighResMIP;mon;Cloud Optical Depth;"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. The atmosphere optical thickness applies to radiation passing through the entire atmosphere. ""Cloud"" means the component of extinction owing to the presence of liquid or ice water particles. 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;aerosol;dms; ;no;AerChemMIP,CFMIP;mon;DMS 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;aerosol;drybc;DRY_BC;partly;AerChemMIP,HighResMIP;mon;dry deposition rate of black carbon aerosol mass;"Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition.";kg m-2 s-1
1;aerosol;drydust;DRY_DUST;partly;AerChemMIP,GeoMIP,HighResMIP,PMIP;mon;Dry Deposition Rate of Dust;"Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition.";kg m-2 s-1
1;aerosol;drynh3; ;no;AerChemMIP,HighResMIP;mon;Dry Deposition Rate of nh3;"dry deposition includes gravitational settling, impact scavenging, and turbulent deposition";kg m-2 s-1
1;aerosol;drynh4; ;no;AerChemMIP,HighResMIP;mon;dry deposition rate of nh4;"dry deposition includes gravitational settling, impact scavenging, and turbulent deposition";kg m-2 s-1
1;aerosol;drynoy; ;no;AerChemMIP,HighResMIP;mon;dry deposition rate of noy;"NOy is the sum of all simulated oxidized nitrogen species out of NO, NO2, HNO3, HNO4, NO3aerosol, NO3(radical), N2O5, PAN, other organic nitrates. Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition.";kg m-2 s-1
1;aerosol;dryo3; ;no;AerChemMIP,HighResMIP;mon;Dry Deposition Rate of o3;"dry deposition includes gravitational settling, impact scavenging, and turbulent deposition.";kg m-2 s-1
1;aerosol;dryoa; ; ;AerChemMIP,HighResMIP;mon;dry deposition rate of dry aerosol total organic matter;"Tendency of atmosphere mass content of organic dry aerosol due to dry deposition: This is the sum of dry deposition of POA and dry deposition of SOA (see next two entries). 'Mass' refers to the mass of organic matter, not mass of organic carbon alone.  We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available. Was called dry_pom in old ACCMIP Excel table. Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition.";kg m-2 s-1
1;aerosol;dryso2; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;Dry Deposition Rate of so2;"dry deposition includes gravitational settling, impact scavenging, and turbulent deposition";kg m-2 s-1
1;aerosol;dryso4; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;dry deposition rate of so4;"dry deposition includes gravitational settling, impact scavenging, and turbulent deposition";kg m-2 s-1
1;aerosol;dryss; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;dry deposition rate of seasalt;"Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition.";kg m-2 s-1
1;aerosol;emiaco; ; ;AerChemMIP,HighResMIP;mon;total emission rate of anthropogenic co;"anthrophogenic  emission of CO";kg m-2 s-1
1;aerosol;emianox; ; ;AerChemMIP,HighResMIP;mon;anthropogenic emission rate of nox;"Store flux as Nitrogen. Anthropogenic fraction. NOx=NO+NO2, Includes agricultural waste burning but no other biomass burning. Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emiaoa; ; ;AerChemMIP,HighResMIP;mon;total emission of anthropogenic  organic aerosol;"anthropogenic part of emioa";kg m-2 s-1
1;aerosol;emibc; ; ;AerChemMIP,HighResMIP;mon;emission rate of black carbon aerosol mass;"Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emibvoc; ; ;AerChemMIP,HighResMIP;mon;total emission rate of biogenic nmvoc;"Integrate 3D emission field vertically to 2d field._If_ fixed molecular weight of NMVOC is not available in model, please provide in units of kilomole m-2 s-1 (i.e. kg m-2 s-1 as if model NMVOC had molecular weight of 1) and add a comment to your file.";kg m-2 s-1
1;aerosol;emico; ; ;AerChemMIP,HighResMIP;mon;Total Emission Rate of co;"Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emidms; ; ;AerChemMIP,HighResMIP;mon;Total Emission Rate of dms;"Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emidust; ; ;AerChemMIP,GeoMIP,HighResMIP,PMIP;mon;total emission rate of dust;"Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emiisop; ; ;AerChemMIP,HighResMIP;mon;Total Emission Rate of isoprene;"Integrate 3D emission field vertically to 2d field";kg m-2 s-1
1;aerosol;emilnox; ; ;AerChemMIP;mon;layer-integrated lightning production of NOx;"Integrate the NOx production for lightning over model layer. proposed name: tendency_of_atmosphere_mass_content_of_nox_from_lightning";mol s-1
1;aerosol;eminh3; ; ;AerChemMIP,HighResMIP;mon;Total Emission Rate of nh3;"Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;eminox; ; ;AerChemMIP,HighResMIP;mon;Total Emission Rate of nox;"NOx=NO+NO2. Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emioa; ; ;AerChemMIP,HighResMIP;mon;primary emission and chemical production of dry aerosol organic matter;"This is the sum of total emission of POA and total production of SOA (emipoa+chepsoa). """"Mass"""" refers to the mass of organic matter, not mass of organic carbon alone. We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available.  Integrate 3D chemical production and emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emiso2; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;Total Emission Rate of so2;"Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emiso4; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;total direct emission rate of so4;"Direct primary emission does not include secondary sulfate production. Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emiss; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;total emission rate of seasalt;"Integrate 3D emission field vertically to 2d field.";kg m-2 s-1
1;aerosol;emivoc; ; ;AerChemMIP,HighResMIP;mon;total emission rate of nmvoc;"Integrate 3D emission field vertically to 2d field. _If_ fixed molecular weight of NMVOC is not available in model, please provide in units of kilomole m-2 s-1 (i.e. kg m-2 s-1 as if model NMVOC had molecular weight of 1) and add a comment to your file.";kg m-2 s-1
1;aerosol;h2o; ; ;AerChemMIP;mon;Mass Fraction of Water;"includes all phases of water";1
1;aerosol;hcho; ; ;AerChemMIP;mon;Formaldehyde 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;aerosol;hcl; ; ;AerChemMIP;mon;HCl 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 hydrogen chloride is HCl.";mol mol-1
1;aerosol;hno3; ; ;AerChemMIP;mon;HNO3 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;aerosol;isop; ; ;AerChemMIP;mon;Isoprene 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;aerosol;jno2; ; ;AerChemMIP;mon;photolysis rate of NO2;"""Photolysis"" is a chemical reaction in which a chemical compound is broken down by photons. The ""reaction rate"" is the rate at which the reactants of a chemical reaction form the products. The chemical formula for nitrogen dioxide is NO2.";s-1
1;aerosol;lossch4; ; ;AerChemMIP;mon;Monthly Loss of atmospheric Methane;"monthly averaged atmospheric loss";mol m-3 s-1
1;aerosol;lossco; ; ;AerChemMIP;mon;Monthly Loss of atmospheric Carbon Monoxide;"monthly averaged atmospheric loss";mol m-3 s-1
1;aerosol;lossn2o; ; ;AerChemMIP;mon;Monthly Loss of atmospheric Nitrous Oxide;"monthly averaged atmospheric loss";mol m-3 s-1
1;aerosol;lwp; ; ;AerChemMIP,HighResMIP,PMIP;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;mmraerh2o; ; ;AerChemMIP,GeoMIP,RFMIP;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,PMIP,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,GeoMIP,PMIP,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;mmrnh4; ; ;AerChemMIP,CFMIP;mon;NH4 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_ammonium"" means that the mass is expressed as mass of NH4. ""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,RFMIP;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,RFMIP;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;mmrpm1; ; ;AerChemMIP;mon;PM1.0 mass mixing ratio;"E.g. mass_fraction_of_pm1_aerosol_at_50_percent_relative_humidity_in_air. proposed name:  mass_fraction_of_pm1_dry_aerosol_in_air";kg kg-1
1;aerosol;mmrpm10; ; ;AerChemMIP;mon;PM10 mass mixing ratio;"E.g. mass_fraction_of_pm10_aerosol_at_50_percent_relative_humidity_in_air, proposed name: mass_fraction_of_pm10_dry_aerosol_in_air";kg kg-1
1;aerosol;mmrpm2p5; ; ;AerChemMIP;mon;PM2.5 mass mixing ratio;"E.g. mass_fraction_of_pm2p5_aerosol_at_50_percent_relative_humidity_in_air, proposed_name: mass_fraction_of_pm2p5_dry_aerosol_in_air";kg kg-1
1;aerosol;mmrso4; ; ;AerChemMIP,CFMIP,PMIP,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;mmrsoa; ; ;AerChemMIP,CFMIP,RFMIP;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,GeoMIP,PMIP,RFMIP;mon;Sea Salt mass mixing ratio;"alias::mass_fraction_of_seasalt_dry_aerosol_particles_in_air";kg kg-1
1;aerosol;n2o; ; ;AerChemMIP;mon;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;aerosol;nh50; ; ;AerChemMIP;mon;Fixed surface layer mixing ratio over 30o-50oN (100ppbv), uniform fixed 50-day exponential decay.;"Mole fraction is used in the construction ""mole_fraction_of_X_in_Y"", where X is a material constituent of Y. A chemical species denoted by X may be described by a single term such as ""nitrogen"" or a phrase such as ""nox_expressed_as_nitrogen"". ""Artificial tracer"" means a passive atmospheric tracer that is used to study atmospheric transport and deposition. To specify the length of the tracer lifetime in the atmosphere, a scalar coordinate variable with the standard name of tracer_lifetime should be used.";mol mol-1
1;aerosol;no; ; ;AerChemMIP;mon;NO 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;aerosol;no2; ; ;AerChemMIP;mon;NO2 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;aerosol;o3; ; ;AerChemMIP;mon;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;aerosol;o3loss; ; ;AerChemMIP;mon;O3 destruction rate;"ONLY provide the sum of the following reactions: (i) O(1D)+H2O; (ii) O3+HO2; (iii) O3+OH; (iv) O3+alkenes (isoprene, ethene,...)";mol m-3 s-1
1;aerosol;o3prod; ; ;AerChemMIP;mon;O3 production rate;"ONLY provide the sum of all the HO2/RO2 + NO reactions (as k*[HO2]*[NO])";mol m-3 s-1
1;aerosol;o3ste; ; ;AerChemMIP;mon;Ozone volume mixing ratio;"Ozone tracer intended to map out strat-trop exchange (STE) of ozone.";mol mol-1
1;aerosol;od440aer; ; ;AerChemMIP,HighResMIP,RFMIP;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,GeoMIP,HighResMIP,PMIP,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;od550aerh2o; ; ;AerChemMIP,HighResMIP,RFMIP;mon;aerosol water aod at 550nm;"proposed name: atmosphere_optical_thickness_due_to_water_ambient_aerosol";1
1;aerosol;od550bb; ; ;AerChemMIP,HighResMIP,RFMIP;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,HighResMIP,RFMIP;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;od550csaer; ; ;AerChemMIP,HighResMIP;mon;ambient aerosol optical thickness at 550 nm;"AOD from the ambient aerosols in clear skies if od550aer is for all-sky (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,HighResMIP,PMIP,RFMIP;mon;Dust Optical Depth at 550nm;"alias::atmosphere_optical_thickness_due_to_dust_ambient_aerosol";1
1;aerosol;od550lt1aer; ; ;AerChemMIP,CFMIP,GeoMIP,HighResMIP,RFMIP;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,HighResMIP,RFMIP;mon;Nitrate Aerosol OPtical Depth at 550nm;"proposed name: atmosphere_optical_thickness_due_to_nitrate_ambient_aerosol";1
1;aerosol;od550oa; ; ;AerChemMIP,HighResMIP,RFMIP;mon;Total Organic Aerosol Optical Depth at 550nm;"alias::atmosphere_optical_thickness_due_to_particulate_organic_matter_ambient_aerosol";1
1;aerosol;od550so4; ; ;AerChemMIP,HighResMIP,PMIP,RFMIP;mon;Sulfate Aerosol Optical Depth at 550nm;"proposed name: atmosphere_optical_thickness_due_to_sulfate_ambient_aerosol";1
1;aerosol;od550soa; ; ;AerChemMIP,HighResMIP,RFMIP;mon;Particulate Organic Aersol Optical Depth at 550nm;"total organic aerosol AOD due to secondary aerosol formation";1
1;aerosol;od550ss; ; ;AerChemMIP,HighResMIP,RFMIP;mon;Sea Salt Aersol Optical Depth at 550nm;"alias::atmosphere_optical_thickness_due_to_seasalt_ambient_aerosol";1
1;aerosol;od870aer; ; ;AerChemMIP,HighResMIP;mon;Ambient Aerosol Optical Depth at 870 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: 870 nm""";1
1;aerosol;oh; ; ;AerChemMIP;mon;OH 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;aerosol;pan; ; ;AerChemMIP;mon;PAN 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;aerosol;pfull; ; ;AerChemMIP,PMIP;mon;Pressure on Model Levels;"Air pressure on model levels";Pa
1;aerosol;phalf; ; ;AerChemMIP,PMIP;mon;Pressure on Model Half-Levels;"Air pressure on model half-levels";Pa
1;aerosol;photo1d; ; ;AerChemMIP;mon;Photolysis Rate of Ozone (O3) to Excited Atomic Oxygen (singlet D: O1d);"proposed name: photolysis_rate_of_ozone_to_O1D";s-1
1;aerosol;pod0; ; ;AerChemMIP,HighResMIP;mon;Phytotoxic ozone dose;"Accumulated stomatal ozone flux over the threshold of 0 mol m-2 s-1; Computation: Time Integral of (hourly above canopy ozone concentration * stomatal conductance * Rc/(Rb+Rc) )";mol m-2 s-1
1;aerosol;ptp; ; ;AerChemMIP,HighResMIP;mon;Tropopause Air Pressure;"2D monthly mean thermal tropopause calculated using WMO tropopause definition on 3d temperature";Pa
1;aerosol;reffclwtop; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;cloud-top effective droplet radius;"Droplets are liquid only.  This is the effective radius as seen from space over liquid cloudy portion of grid cell. This is the value from uppermost model layer with liquid cloud or, if available, or for some models it is the sum over all liquid cloud tops, no matter where they occur, as long as they are seen from the top of the atmosphere.TOA) each time sample when computing monthly mean. Reported values are weighted by total liquid cloud top fraction of  (as seen from";m
1;aerosol;rlutaf; ; ;AerChemMIP,HighResMIP;mon;TOA Outgoing Aerosol-Free Longwave Radiation;"Flux corresponding to rlut resulting from aerosol-free call to radiation, following Ghan (ACP, 2013)";W m-2
1;aerosol;rlutcsaf; ; ;AerChemMIP,HighResMIP;mon;TOA Outgoing Clear-Sky, Aerosol-Free Longwave Radiation;"Flux corresponding to rlutcs resulting from aerosol-free call to radiation, following Ghan (ACP, 2013)";W m-2
1;aerosol;rsutaf; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;TOA Outgoing Aerosol-Free Shortwave Radiation;"Flux corresponding to rsut resulting from aerosol-free call to radiation, following Ghan (ACP, 2013)";W m-2
1;aerosol;rsutcsaf; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;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;aerosol;so2; ; ;AerChemMIP,CFMIP,GeoMIP;mon;SO2 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;aerosol;tatp; ; ;AerChemMIP,HighResMIP;mon;Tropopause Air Temperature;"2D monthly mean thermal tropopause calculated using WMO tropopause definition on 3d temperature";K
1;aerosol;tntrl; ; ;AerChemMIP,CFMIP,PMIP;mon;tendency_of_air_temperature_due_to_longwave_heating;"Tendency of air temperature due to longwave radiative heating";K s-1
1;aerosol;tntrs; ; ;AerChemMIP,CFMIP;mon;tendency_of_air_temperature_due_to_shortwave_heating;"Tendency of air temperature due to shortwave radiative heating";K s-1
1;aerosol;toz; ; ;AerChemMIP,HighResMIP;mon;Total Ozone Column;"Total ozone column calculated at 0 degrees C and 1 bar, such that 1m = 1e5 DU.";m
1;aerosol;tropoz; ; ;AerChemMIP,HighResMIP;mon;Tropospheric Ozone Column;"Tropospheric ozone column, should be consistent with definition of tropopause used to calculate the pressure of the tropopause (ptp). Calculated at 0 degrees C and 1 bar, such that 1m = 1e5 DU.";m
1;aerosol;ttop; ; ;AerChemMIP,HighResMIP;mon;air temperature at cloud top;"cloud_top refers to the top of the highest cloud. Air temperature is the bulk temperature of the air, not the surface (skin) temperature.";K
1;aerosol;ua; ; ;AerChemMIP,DynVar,HighResMIP,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;aerosol;va; ; ;AerChemMIP,HighResMIP;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;aerosol;wa; ; ;AerChemMIP;mon;Upward Air Velocity;"A velocity is a vector quantity. ""Upward"" indicates a vector component which is positive when directed upward (negative downward). Upward air velocity is the vertical component of the 3D air velocity vector. The standard name downward_air_velocity may be used for a vector component with the opposite sign convention.";m s-1
1;aerosol;wetbc; ; ;AerChemMIP,HighResMIP;mon;wet deposition rate of black carbon aerosol mass;"""tendency_of_X"" means derivative of X with respect to time. ""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 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. 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. ""Wet deposition"" means deposition by precipitation. 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 m-2 s-1
1;aerosol;wetdust; ; ;AerChemMIP,GeoMIP,HighResMIP,PMIP;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;wetnh3; ; ;AerChemMIP,HighResMIP;mon;wet deposition rate of nh3;"""tendency_of_X"" means derivative of X with respect to time.  ""Content"" indicates a quantity per unit area.  ""Wet deposition"" means deposition by precipitation.";kg m-2 s-1
1;aerosol;wetnh4; ; ;AerChemMIP,HighResMIP;mon;wet deposition rate of nh4;"""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. 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. ""Wet deposition"" means deposition by precipitation. ""tendency_of_X"" means derivative of X with respect to time. The chemical formula for ammonium is NH4.";kg m-2 s-1
1;aerosol;wetnoy; ; ;AerChemMIP,HighResMIP;mon;wet deposition of noy incl aerosol nitrate;"NOy is the sum of all simulated oxidized nitrogen species, out of NO, NO2, HNO3, HNO4, NO3aerosol, NO3(radical), N2O5, PAN, other organic nitrates.";kg m-2 s-1
1;aerosol;wetoa; ; ;AerChemMIP,HighResMIP;mon;wet deposition rate of dry aerosol total organic matter;"tendency of atmosphere mass content of organic matter dry aerosols due to wet deposition: This is the sum of wet deposition of POA and wet deposition of SOA (see next two entries). Mass here refers to the mass of organic matter, not mass of organic carbon alone. We recommend a scale factor of POM=1.4*OC, unless your model has more detailed info available. Was called wet_pom in old ACCMIP Excel spreadsheet.";kg m-2 s-1
1;aerosol;wetso2; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;wet deposition rate of so2;"""tendency_of_X"" means derivative of X with respect to time.  ""Content"" indicates a quantity per unit area.  ""Wet deposition"" means deposition by precipitation.";kg m-2 s-1
1;aerosol;wetso4; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;wet deposition rate of so4;"proposed name: tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_wet_deposition";kg m-2 s-1
1;aerosol;wetss; ; ;AerChemMIP,GeoMIP,HighResMIP;mon;wet deposition rate of seasalt;"alias::tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_particles_due_to_wet_deposition";kg m-2 s-1
1;aerosol;ztp; ; ;AerChemMIP,HighResMIP;mon;Tropopause Altitude above Geoid;"2D monthly mean thermal tropopause calculated using WMO tropopause definition on 3d temperature";m
1;atmos;albisccp; ; ;AerChemMIP,CFMIP,HighResMIP,RFMIP;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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;mon;Percentage Cloud Cover;"Percentage cloud cover, including both large-scale and convective cloud.";%
1;atmos;clcalipso; ; ;AerChemMIP,CFMIP,HighResMIP,RFMIP;mon;CALIPSO Percentage Cloud Cover;"Percentage cloud cover at CALIPSO standard heights.";%
1;atmos;clhcalipso; ; ;AerChemMIP,CFMIP,HighResMIP,RFMIP;mon;CALIPSO High Level Cloud Area Percentage;"Percentage cloud cover in layer centred on 220hPa";%
1;atmos;cli;CLDICE;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,HighResMIP,PMIP,RFMIP;mon;ISCCP Cloud Area Fraction;"Percentage cloud cover in optical depth categories.";%
1;atmos;clivi;TGCLDIWP;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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;cllcalipso; ; ;AerChemMIP,CFMIP,HighResMIP,RFMIP;mon;CALIPSO Low Level Cloud Cover Percentage;"Percentage cloud cover in layer centred on 840hPa";%
1;atmos;clmcalipso; ; ;AerChemMIP,CFMIP,HighResMIP,RFMIP;mon;CALIPSO Mid Level Cloud Percentage;"Percentage cloud cover in layer centred on 560hPa";%
1;atmos;clt;CLDTOT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,HighResMIP,RFMIP;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,HighResMIP,PMIP,RFMIP;mon;ISCCP Total Cloud Cover Percentage;"Percentage total cloud cover, simulating ISCCP observations.";%
1;atmos;clw;CLDLIQ;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VolMIP;mon,monC;Total Atmospheric Mass of CO2;"Total atmospheric mass of Carbon Dioxide";kg
1;atmos;diabdrag; ; ;;mon;Tendency of Eastward Wind from Numerical Artefacts;"Other sub-grid scale/numerical zonal drag excluding that already provided for the parameterized orographic and non-orographic gravity waves. This would be used to calculate the total 'diabatic drag'. Contributions to this additional drag such Rayleigh friction and diffusion that can be calculated from the monthly mean wind fields should not be included, but details (e.g. coefficients) of the friction and/or diffusion used in the model should be provided separately.";m s-2
1;atmos;edt; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP;mon;Eddy Diffusivity Coefficient for Temperature Variable;"Vertical diffusion coefficient for temperature due to parametrised eddies";m2 s-1
1;atmos;epfz; ;no;DCPP,DynVar,HighResMIP,VolMIP;mon;Upward Component of the Eliassen-Palm Flux;"Transformed Eulerian Mean Diagnostics Meridional component Fz of the Eliassen-Palm (EP) flux (Fy, Fz) derived from 6hr or higher frequency fields (use daily fields or 12 hr fields if the 6 hr are not available). Please use the definitions given by equation 3.5.3b of Andrews, Holton and Leovy text book, but scaled by density to have units m3 s-2.";m3 s-2
1;atmos;evspsbl;QFLX;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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;evu; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP;mon;Eddy Viscosity Coefficient for Momentum Variables;"Vertical diffusion coefficient for momentum due to parametrised eddies";m2 s-1
1;atmos;fco2antt; ;no;AerChemMIP,C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,HighResMIP,LS3MIP,PMIP,VIACSAB,VolMIP;day;Daily Maximum Near-Surface Relative Humidity;"";%
1;atmos;hursmin;RHREFHT;yes;CFMIP,CMIP,GMMIP,HighResMIP,LS3MIP,PMIP,VIACSAB,VolMIP;day;Daily Minimum Near-Surface Relative Humidity;"";%
1;atmos;hus;Q;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;3hrPt,day,mon;Near-Surface Specific Humidity;"Near-surface (usually, 2 meter) specific humidity.";1
1;atmos;jo2; ;no;;mon;Photolysis Rate of Molecular Oxygen;"Rate of photolysis of molecular oxygen to atomic oxygen (o2 -> o1d+o)";s-1
1;atmos;jo3; ;no;;mon;Photolysis Rate of Ozone (O3);"sum of rates o3 -> o1d+o2 and o3 -> o+o2";s-1
1;atmos;mc;CMFMC+CMFMCDZM;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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;atmos;oxloss; ;no;;mon;Total Odd Oxygen (Ox) Loss Rate;"total chemical loss rate for o+o1d+o3";mol m-3 s-1
1;atmos;oxprod; ;no;;mon;Total Odd Oxgen (Ox) Production Rate;"total production rate of o+o1d+o3 including o2 photolysis and all o3 producing reactions";mol m-3 s-1
1;atmos;pctisccp; ; ;AerChemMIP,CFMIP,HighResMIP,RFMIP;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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;monC;Pressure on Model Levels;"Air pressure on model levels";Pa
1;atmos;phalf;PS;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,VIACSAB,VolMIP;monC;Pressure on Model Half-Levels;"Air pressure on model half-levels";Pa
1;atmos;pr;PRECT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;3hr,day,mon;Precipitation;"includes both liquid and solid phases";kg m-2 s-1
1;atmos;prc;PRECC;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,CORDEX,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,mon;Water Vapor Path;"vertically integrated through the atmospheric column";kg m-2
1;atmos;ps;PS ;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;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;no;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;6hrPt,day,mon;Sea Level Pressure;"Sea Level Pressure";Pa
1;atmos;rld; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;mon;Downwelling Longwave Radiation;"Downwelling Longwave Radiation (includes the fluxes at the surface and TOA)";W m-2
1;atmos;rldcs; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;mon;Surface Downwelling Clear-Sky Longwave Radiation;"Surface downwelling clear-sky longwave radiation";W m-2
1;atmos;rlu; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;mon;Upwelling Longwave Radiation;"Upwelling longwave radiation (includes the fluxes at the surface and TOA)";W m-2
1;atmos;rlucs; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;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,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,GeoMIP,HighResMIP,PMIP;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,GeoMIP,HighResMIP,PMIP;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;FSDS;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;3hr,day,mon;Surface Downwelling Shortwave Radiation;"surface solar irradiance for UV calculations";W m-2
1;atmos;rsdscs;FSDSC;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;mon;TOA Incident Shortwave Radiation;"Shortwave radiation incident at the top of the atmosphere";W m-2
1;atmos;rsu; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;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,GeoMIP,HighResMIP,PMIP;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,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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;sci;FREQSH;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,RFMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,mon;Near-Surface Wind Speed;"near-surface (usually, 10 meters) wind speed.";m s-1
1;atmos;sfcWindmax;U10;yes;CFMIP,CMIP,DCPP,HighResMIP,PMIP,VIACSAB,VolMIP;day;Daily Maximum Near-Surface Wind Speed;"Daily maximum near-surface (usually, 10 meters) wind speed.";m s-1
1;atmos;ta;T;no;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;6hrPt,day,mon;Air Temperature;"Air Temperature";K
1;atmos;tas;TREFHT;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;3hrPt,day,mon;Near-Surface Air Temperature;"near-surface (usually, 2 meter) air temperature";K
1;atmos;tasmax;TREFMXAV;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;mon;Surface Downward Northward Wind Stress;"Downward northward wind stress at the surface";Pa
1;atmos;tnhus; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;mon;Tendency of Specific Humidity;"Tendency of Specific Humidity";s-1
1;atmos;tnhusa; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;mon;Tendency of Specific Humidity due to Advection;"Tendency of Specific Humidity due to Advection";s-1
1;atmos;tnhusc; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;mon;Tendency of Specific Humidity due to Convection;"Tendencies from cumulus convection scheme.";s-1
1;atmos;tnhusd; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;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,GeoMIP,HighResMIP,PMIP;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,GeoMIP,HighResMIP,PMIP;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,GeoMIP,HighResMIP,PMIP;mon;Tendency of Air Temperature;"Tendency of Air Temperature";K s-1
1;atmos;tnta; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;mon;Tendency of Air Temperature due to Advection;"Tendency of Air Temperature due to Advection";K s-1
1;atmos;tntc; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;mon;Tendency of Air Temperature due to Convection;"Tendencies from cumulus convection scheme.";K s-1
1;atmos;tntmp; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;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,GeoMIP,HighResMIP,PMIP;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,GeoMIP,HighResMIP,PMIP;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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,mon;Surface Temperature;"Temperature of the lower boundary of the atmosphere";K
1;atmos;ua;U;no;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;6hrPt,day,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,CORDEX,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,mon;Eastward Near-Surface Wind;"Eastward component of the near-surface (usually, 10 meters)  wind";m s-1
1;atmos;utendnogw; ; ;DynVar,VolMIP;mon;u-tendency nonorographic gravity wave drag;"Tendency of the eastward wind by parameterized nonorographic gravity waves.";m s-2
1;atmos;utendogw; ; ;DynVar,VolMIP;mon;u-tendency orographic gravity wave drag;"Tendency of the eastward wind by parameterized orographic gravity waves.";m s-2
1;atmos;va;V;no;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;6hrPt,day,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,CORDEX,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,mon;Northward Near-Surface Wind;"Northward component of the near surface wind";m s-1
1;atmos;vmrox; ;no;;mon;Mole Fraction of Odd Oxgen (O, O3 and O1d);"Mole Fraction of Ox";mol mol-1
1;atmos;wap;OMEGA;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,mon;omega (=dp/dt);"Omega (vertical velocity in pressure coordinates, positive downwards)";Pa s-1
1;atmos;zg;Z3;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,DynVar,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;day,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;zmtnt; ;no;;mon;Zonal Mean Diabatic Heating Rates;"The diabatic heating rates due to all the processes that may change potential temperature";K s-1
1;atmosChem;ch4;CH4;yes;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,RFMIP,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;atmosChem;oxloss; ;no;;mon;Total Odd Oxygen (Ox) Loss Rate;"total chemical loss rate for o+o1d+o3";mol m-3 s-1
1;atmosChem;oxprod; ;no;;mon;Total Odd Oxgen (Ox) Production Rate;"total production rate of o+o1d+o3 including o2 photolysis and all o3 producing reactions";mol m-3 s-1
1;atmosChem;vmrox; ;no;;mon;Mole Fraction of Odd Oxgen (O, O3 and O1d);"Mole Fraction of Ox";mol mol-1
1;land;agesno; ; ;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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;hfdsn; ; ;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,RFMIP,VIACSAB,VolMIP;mon;Leaf Area Index;"""X_area"" means the horizontal area occupied by X within the grid cell.";1
1;land;mrro;QRUNOFF+QSNWCPICE;yes;CFMIP,CMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;day;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;mrso;SOILLIQ+SOILICE;yes;CFMIP,CMIP,DCPP,GMMIP,HighResMIP,VolMIP;day;Total Soil Moisture Content;"the mass per unit area  (summed over all soil layers) of water in all phases.";kg m-2
1;land;mrsos;SOILWATER_10CM;yes;CFMIP,CMIP,GMMIP,HighResMIP,LS3MIP,VIACSAB,VolMIP;day;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;sbl; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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;snc; ; ;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,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;tslsi; ; ;CFMIP,CMIP,CORDEX,HighResMIP,PMIP,VIACSAB,VolMIP;day;Surface Temperature where Land or Sea Ice;"Surface temperature of all surfaces except open ocean.";K
1;land;tsn; ; ;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Snow Internal Temperature;"This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as missing in regions free of snow on land.";K
1;landIce;agesno; ; ;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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;sbl; ;no;AerChemMIP,C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,PMIP,VIACSAB,VolMIP;day,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;landIce;tsn; ; ;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,VIACSAB,VolMIP;mon;Snow Internal Temperature;"This temperature is averaged over all the snow in the grid cell that rests on land or land ice.  When computing the time-mean here, the time samples, weighted by the mass of snow on the land portion of the grid cell, are accumulated and then divided by the sum of the weights.   Reported as missing in regions free of snow on land.";K
1;ocean;agessc; ; ;AerChemMIP,C4MIP,CFMIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Sea Water Age Since Surface Contact;"Time elapsed since water was last in surface layer of the ocean.";yr
1;ocean;bigthetao; ;no;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Sea Water Conservative Temperature;"Sea water conservative temperature (this should be contributed only for models using conservative temperature as prognostic field)";degC
1;ocean;bigthetaoga; ;no;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Global Average Sea Water Conservative Temperature;"Diagnostic should be contributed only for models using conservative temperature as prognostic field.";degC
1;ocean;cfc11;cfc11;yes;AerChemMIP,C4MIP,CFMIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Moles Per Unit Mass of CFC-11 in Sea Water;"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"". The chemical formula of CFC11 is CFCl3. The IUPAC name fof CFC11 is trichloro-fluoro-methane.";mol m-3
1;ocean;fsitherm; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Water Flux into Sea Water due to Sea Ice Thermodynamics;"computed as the sea ice thermodynamic water flux into the ocean divided by the area of the ocean portion of the grid cell.";kg m-2 s-1
1;ocean;hfbasin; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VolMIP;mon;Northward Ocean Heat Transport;"Contains contributions from all physical processes affecting the northward heat transport, including resolved advection, parameterized advection, lateral diffusion, etc. Diagnosed here as a function of latitude and basin.   Use Celsius for temperature scale.";W
1;ocean;hfbasinpadv; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;northward ocean heat transport due to parameterized eddy advection;"Contributions to heat transport from parameterized eddy-induced advective transport due to any subgrid advective process. Diagnosed here as a function of latitude and basin.  Use Celsius for temperature scale.";W
1;ocean;hfbasinpmadv; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;northward ocean heat transport due to parameterized mesoscale advection;"Contributions to heat transport from parameterized mesoscale eddy-induced advective transport. Diagnosed here as a function of latitude and basin.  Use Celsius for temperature scale.";W
1;ocean;hfbasinpmdiff; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;northward ocean heat transport due to parameterized mesoscale diffusion;"Contributions to heat transport from parameterized mesoscale eddy-induced diffusive transport (i.e., neutral diffusion). Diagnosed here as a function of latitude and basin.";W
1;ocean;hfbasinpsmadv; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;northward ocean heat transport due to parameterized submesoscale advection;"Contributions to heat transport from parameterized mesoscale eddy-induced advective transport. Diagnosed here as a function of latitude and basin.  Use Celsius for temperature scale.";W
1;ocean;hfcorr; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Heat Flux Correction;"Flux correction is also called ""flux adjustment"". A positive flux correction is downward i.e. added to the ocean. In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.";W m-2
1;ocean;hfds; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Downward Heat Flux at Sea Water Surface;"This is the net flux of heat entering the liquid water column through its upper surface (excluding any ""flux adjustment"") .";W m-2
1;ocean;hfsifrazil; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VolMIP;mon;Heat Flux into Sea Water due to Frazil Ice Formation;"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. ""Frazil"" consists of needle like crystals of ice, typically between three and four millimeters in diameter, which form as sea water begins to freeze. Salt is expelled during the freezing process and frazil ice consists of nearly pure fresh water.";W m-2
1;ocean;masscello;dp ;yes;AerChemMIP,C4MIP,CFMIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Ocean Grid-Cell Mass per area;"Tracer grid-cell mass per unit area used for computing tracer budgets. For Boussinesq models with static ocean grid cell thickness, masscello = rhozero*thickcello, where thickcello is static cell thickness and rhozero is constant Boussinesq reference density. More generally, masscello is time dependent and reported as part of Omon.";kg m-2
1;ocean;masso;dp;yes;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Sea Water Mass;"Total mass of liquid sea water. For Boussinesq models, report this diagnostic as Boussinesq reference density times total volume.";kg
1;ocean;msftbarot; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Ocean Barotropic Mass Streamfunction;"Streamfunction or its approximation for free surface models. See OMDP document for details.";kg s-1
1;ocean;msftmrho; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VolMIP;mon;Ocean Meridional Overturning Mass Streamfunction;"Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized.";kg s-1
1;ocean;msftmrhompa; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;ocean meridional overturning mass streamfunction due to parameterized mesoscale advection;"CMIP5 called this ""due to Bolus Advection"".  Name change respects the more general physics of the mesoscale parameterizations.";kg s-1
1;ocean;msftmz; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VolMIP;mon;Ocean Meridional Overturning Mass Streamfunction;"Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized.";kg s-1
1;ocean;msftmzmpa; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;ocean meridional overturning mass streamfunction due to parameterized mesoscale advection;"CMIP5 called this ""due to Bolus Advection"".  Name change respects the more general physics of the mesoscale parameterizations.";kg s-1
1;ocean;msftmzsmpa; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;ocean meridional overturning mass streamfunction due to parameterized submesoscale advection;"Report only if there is a submesoscale eddy parameterization.";kg s-1
1;ocean;msftyrho; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Ocean Y Overturning Mass Streamfunction;"Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized.";kg s-1
1;ocean;msftyrhompa; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VolMIP;mon;ocean Y overturning mass streamfunction due to parameterized mesoscale advection;"CMIP5 called this ""due to Bolus Advection"".  Name change respects the more general physics of the mesoscale parameterizations.";kg s-1
1;ocean;msftyz; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Ocean Y Overturning Mass Streamfunction;"Overturning mass streamfunction arising from all advective mass transport processes, resolved and parameterized.";kg s-1
1;ocean;msftyzmpa; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;ocean Y overturning mass streamfunction due to parameterized mesoscale advection;"CMIP5 called this ""due to Bolus Advection"".  Name change respects the more general physics of the mesoscale parameterizations.";kg s-1
1;ocean;msftyzsmpa; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;ocean Y overturning mass streamfunction due to parameterized submesoscale advection;"Report only if there is a submesoscale eddy parameterization.";kg s-1
1;ocean;omldamax; ; ;CFMIP,CMIP,GMMIP,HighResMIP,VolMIP;day;Mean Daily Maximum Ocean Mixed Layer Thickness Defined by Mixing Scheme;"The ocean mixed layer is the upper part of the ocean, regarded as being well-mixed. The base of the mixed layer defined by the mixing scheme is a diagnostic of ocean models.";m
1;ocean;pbo;dp;yes;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Sea Water Pressure at Sea floor;"""Sea water pressure"" is the pressure that exists in the medium of sea water.  It includes the pressure due to overlying sea water, sea ice, air and any other medium that may be present.";Pa
1;ocean;pso;NA;no;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Sea Water Pressure at Sea Water Surface;"The surface called ""surface"" means the lower boundary of the atmosphere.  ""Sea water pressure"" is the pressure that exists in the medium of sea water.  It includes the pressure due to overlying sea water, sea ice, air and any other medium that may be present.";Pa
1;ocean;sfdsi; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;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
1;ocean;sfriver; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Salt Flux into Sea Water from Rivers;"This field is physical, and it arises when rivers carry a nonzero salt content.  Often this is zero, with rivers assumed to be fresh.";kg m-2 s-1
1;ocean;sithick;hi;partly;C4MIP,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,RFMIP,SIMIP,VolMIP;day,mon;Sea-ice thickness;"Actual (floe) thickness of sea ice (NOT volume divided by grid area as was done in CMIP5)";m
1;ocean;so; ; ;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Sea Water Salinity;"Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. There are standard names for the more precisely defined salinity quantities: sea_water_knudsen_salinity, S_K (used for salinity observations between 1901 and 1966),  sea_water_cox_salinity, S_C (used for salinity observations between 1967 and 1977), sea_water_practical_salinity, S_P (used for salinity observations from 1978 to the present day), sea_water_absolute_salinity, S_A, sea_water_preformed_salinity, S_*, and sea_water_reference_salinity. Practical Salinity is reported on the Practical Salinity Scale of 1978 (PSS-78), and is usually based on the electrical conductivity of sea water in observations since the 1960s. Conversion of data between the observed scales follows: S_P = (S_K - 0.03) * (1.80655 / 1.805) and S_P = S_C, however the accuracy of the latter is dependent on whether chlorinity or conductivity was used to determine the S_C value, with this inconsistency driving the development of PSS-78. The more precise standard names should be used where appropriate for both modelled and observed salinities. In particular, the use of sea_water_salinity to describe salinity observations made from 1978 onwards is now deprecated in favor of the term sea_water_practical_salinity which is the salinity quantity stored by national data centers for post-1978 observations. The only exception to this is where the observed salinities are definitely known not to be recorded on the Practical Salinity Scale. The unit ""parts per thousand"" was used for sea_water_knudsen_salinity and sea_water_cox_salinity.";0.001
1;ocean;sob; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Sea water Salinity at Sea Floor;"Model prognostic salinity at bottom-most model grid cell";0.001
1;ocean;soga; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Global Mean Sea Water Salinity;"Sea water salinity is the salt content of sea water, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. There are standard names for the more precisely defined salinity quantities: sea_water_knudsen_salinity, S_K (used for salinity observations between 1901 and 1966),  sea_water_cox_salinity, S_C (used for salinity observations between 1967 and 1977), sea_water_practical_salinity, S_P (used for salinity observations from 1978 to the present day), sea_water_absolute_salinity, S_A, sea_water_preformed_salinity, S_*, and sea_water_reference_salinity. Practical Salinity is reported on the Practical Salinity Scale of 1978 (PSS-78), and is usually based on the electrical conductivity of sea water in observations since the 1960s. Conversion of data between the observed scales follows: S_P = (S_K - 0.03) * (1.80655 / 1.805) and S_P = S_C, however the accuracy of the latter is dependent on whether chlorinity or conductivity was used to determine the S_C value, with this inconsistency driving the development of PSS-78. The more precise standard names should be used where appropriate for both modelled and observed salinities. In particular, the use of sea_water_salinity to describe salinity observations made from 1978 onwards is now deprecated in favor of the term sea_water_practical_salinity which is the salinity quantity stored by national data centers for post-1978 observations. The only exception to this is where the observed salinities are definitely known not to be recorded on the Practical Salinity Scale. The unit ""parts per thousand"" was used for sea_water_knudsen_salinity and sea_water_cox_salinity.";0.001
1;ocean;sos; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Sea Surface Salinity;"Sea surface salinity is the salt content of sea water close to the sea surface, often on the Practical Salinity Scale of 1978. However, the unqualified term 'salinity' is generic and does not necessarily imply any particular method of calculation. The units of salinity are dimensionless and the units attribute should normally be given as 1e-3 or 0.001 i.e. parts per thousand. Sea surface salinity is often abbreviated as ""SSS"". For the salinity of sea water at a particular depth or layer, a data variable of ""sea_water_salinity"" or one of the more precisely defined salinities should be used with a vertical coordinate axis. There are standard names for the precisely defined salinity quantities: sea_water_knudsen_salinity, S_K (used for salinity observations between 1901 and 1966), sea_water_cox_salinity, S_C (used for salinity observations between 1967 and 1977), sea_water_practical_salinity, S_P (used for salinity observations from 1978 to the present day), sea_water_absolute_salinity, S_A, sea_water_preformed_salinity, S_*, and sea_water_reference_salinity. Practical Salinity is reported on the Practical Salinity Scale of 1978 (PSS-78), and is usually based on the electrical conductivity of sea water in observations since the 1960s. Conversion of data between the observed scales follows: S_P = (S_K - 0.03) * (1.80655 / 1.805) and S_P = S_C, however the accuracy of the latter is dependent on whether chlorinity or conductivity was used to determine the S_C value, with this inconsistency driving the development of PSS-78. The more precise standard names should be used where appropriate for both modelled and observed salinities. In particular, the use of sea_water_salinity to describe salinity observations made from 1978 onwards is now deprecated in favor of the term sea_water_practical_salinity which is the salinity quantity stored by national data centers for post-1978 observations. The only exception to this is where the observed salinities are definitely known not to be recorded on the Practical Salinity Scale. The unit ""parts per thousand"" was used for sea_water_knudsen_salinity and sea_water_cox_salinity.";0.001
1;ocean;thetao;temp;yes;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Sea Water Potential Temperature;"Diagnostic should be contributed even for models using conservative temperature as prognostic field.";degC
1;ocean;thetaoga;temp;yes;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Global Average Sea Water Potential Temperature;"Diagnostic should be contributed even for models using conservative temperature as prognostic field";degC
1;ocean;thkcello;dz;yes;AerChemMIP,C4MIP,CFMIP,CMIP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Ocean Model Cell Thickness;"""Thickness"" means the vertical extent of a layer. ""Cell"" refers to a model grid-cell.";m
1;ocean;tob; ;no;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Sea Water Potential Temperature at Sea Floor;"Potential temperature at the ocean bottom-most grid cell.";degC
1;ocean;tos;sst;yes;AerChemMIP,C4MIP,CFMIP,CMIP,CORDEX,DCPP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,OMIP,VIACSAB,VolMIP;day,mon;Sea Surface Temperature;"Temperature of upper boundary of the liquid ocean, including temperatures below sea-ice and floating ice shelves.";degC
1;ocean;tosga; ;no;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Global Average Sea Surface Temperature;"Temperature of upper boundary of the liquid ocean, including temperatures below sea-ice and floating ice shelves.";degC
1;ocean;uo; ; ;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Sea Water X Velocity;"Prognostic x-ward velocity component resolved by the model.";m s-1
1;ocean;vo; ; ;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Sea Water Y Velocity;"Prognostic x-ward velocity component resolved by the model.";m s-1
1;ocean;volo;dz;yes;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Sea Water Volume;"Total volume of liquid sea water.";m3
1;ocean;wfcorr; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Water Flux Correction;"Positive flux implies correction adds water to ocean.";kg m-2 s-1
1;ocean;wfo; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Water Flux into Sea Water;"computed as the water  flux into the ocean divided by the area of the ocean portion of the grid cell.  This is the sum of the next two variables in this table.";kg m-2 s-1
1;ocean;wfonocorr; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Water Flux into Sea Water Without Flux Correction;"computed as the water  flux (without flux correction) into the ocean divided by the area of the ocean portion of the grid cell.";kg m-2 s-1
1;ocean;wmo; ; ;AerChemMIP,C4MIP,CFMIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Upward Ocean Mass Transport;"Upward mass transport from resolved and parameterized advective transport.";kg s-1
1;ocean;zfullo; ; ;AerChemMIP,C4MIP,CFMIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Depth Below Geoid of Ocean Layer;"Depth below geoid";m
1;ocean;zhalfo; ; ;AerChemMIP,C4MIP,CFMIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Depth Below Geoid of Interfaces Between Ocean Layers;"Depth below geoid";m
1;ocean;zos;sealv;yes;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Sea Surface Height Above Geoid;"This is the dynamic sea level, so should have zero global area mean. It should not include inverse barometer depressions from sea ice.";m
1;ocean;zostoga;temp;yes;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,ISMIP6,LS3MIP,OMIP,VIACSAB;mon;Global Average Thermosteric Sea Level Change;"There is no CMIP6 request for zosga nor zossga.";m
1;ocnBgChem;dissicnat; ;no;AerChemMIP,C4MIP,CMIP,GeoMIP,LUMIP,OMIP;yr;Natural Dissolved Inorganic Carbon Concentration;"Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2";mol m-3
1;ocnBgChem;eparag100; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Downward Flux of Aragonite;"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. 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. Aragonite is a mineral that is a polymorph of calcium carbonate. The chemical formula of aragonite is CaCO3. Standard names also exist for calcite, another polymorph of calcium carbonate.";mol m-2 s-1
1;ocnBgChem;epc100; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Downward Flux of Particulate Organic Carbon;"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. 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
1;ocnBgChem;epcalc100; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Downward Flux of Calcite;"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. 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. Calcite is a mineral that is a polymorph of calcium carbonate. The chemical formula of calcite is CaCO3. Standard names also exist for aragonite, another polymorph of calcium carbonate.";mol m-2 s-1
1;ocnBgChem;fgco2; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP,VIACSAB,VolMIP;mon;Surface Downward CO2 Flux;"Gas exchange flux of CO2 (positive into ocean)";kg m-2 s-1
1;ocnBgChem;fgo2; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Surface Downward O2 Flux;"Gas exchange flux of O2 (positive into ocean)";mol m-2 s-1
1;ocnBgChem;intpp; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Primary Organic Carbon Production by All Types of Phytoplankton;"Vertically integrated total primary (organic carbon) production by phytoplankton.  This should equal the sum of intpdiat+intpphymisc, but those individual components may be unavailable in some models.";mol m-2 s-1
1;ocnBgChem;spco2; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB;mon;Surface Aqueous Partial Pressure of CO2;"The surface called ""surface"" means the lower boundary of the atmosphere. The partial pressure of a dissolved gas in sea water is the partial pressure in air with which it would be in equilibrium. The partial pressure of a gaseous constituent of air is the pressure which it alone would exert with unchanged temperature and number of moles per unit volume. The chemical formula for carbon dioxide is CO2.";Pa
1;seaIce;fsitherm; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;mon;Water Flux into Sea Water due to Sea Ice Thermodynamics;"computed as the sea ice thermodynamic water flux into the ocean divided by the area of the ocean portion of the grid cell.";kg m-2 s-1
1;seaIce;hfsifrazil; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VolMIP;mon;Heat Flux into Sea Water due to Frazil Ice Formation;"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. ""Frazil"" consists of needle like crystals of ice, typically between three and four millimeters in diameter, which form as sea water begins to freeze. Salt is expelled during the freezing process and frazil ice consists of nearly pure fresh water.";W m-2
1;seaIce;sfdsi; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP,VIACSAB,VolMIP;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
1;seaIce;siconc;aice;partly;C4MIP,CFMIP,CMIP,CORDEX,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,RFMIP,SIMIP,VolMIP;day,mon;Sea-ice area fraction;"Area fraction of grid cell covered by sea ice";%
1;seaIce;siconca; ;no;C4MIP,CMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,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;sisnmass;fs*hs;no;C4MIP,CFMIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,RFMIP,SIMIP;mon;Snow thickness;"Actual thickness of snow (snow volume divided by snow-covered area)";m
1;seaIce;sispeed; ;no;C4MIP,CMIP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,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,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,PMIP,RFMIP,SIMIP,VolMIP;day,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,SIMIP,VolMIP;day,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,CFMIP,CMIP,DCPP,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,SIMIP,VolMIP;day,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,FAFMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,RFMIP,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;clc; ;no;AerChemMIP,CFMIP,GeoMIP,HighResMIP,PMIP;mon;Convective Cloud Area Fraction;"Include only convective cloud.";%
2;atmos;epfy; ;no;DCPP,DynVar,HighResMIP,VolMIP;mon;Northward Component of the Eliassen-Palm Flux;"Transformed Eulerian Mean Diagnostics Meridional component Fy of Eliassen-Palm (EP) flux (Fy, Fz) derived from 6hr or higher frequency fields (use daily fields or 12 hr fields if the 6 hr are not available). Please use the definitions given by equation 3.5.3a of Andrews, Holton and Leovy text book, but scaled by density to have units m3 s-2.";m3 s-2
2;atmos;mcu; ; ;AerChemMIP,CFMIP,GeoMIP,HighResMIP;mon;Convective Updraft Mass Flux;"In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics. The atmosphere convective mass flux is the vertical transport of mass for a field of cumulus clouds or thermals, given by the product of air density and vertical velocity. For an area-average, cell_methods should specify whether the average is over all the area or the area of updrafts only.";kg m-2 s-1
2;atmos;utendepfd; ;no;DCPP,DynVar,HighResMIP,VolMIP;mon;Tendency of eastward wind due to Eliassen-Palm Flux divergence;"Tendency of the zonal mean zonal wind due to the divergence of the Eliassen-Palm flux.";m s-2
2;atmos;vtem; ;no;DCPP,DynVar,HighResMIP,VolMIP;mon;Transformed Eulerian Mean northward wind;"Transformed Eulerian Mean Diagnostics v*, meridional component of the residual meridional circulation (v*, w*) derived from 6 hr or higher frequency data fields (use instantaneous daily fields or 12 hr fields if the 6 hr data are not available).";m s-1
2;atmos;wtem; ;no;DCPP,DynVar,HighResMIP,VolMIP;mon;Transformed Eulerian Mean upward wind;"Transformed Eulerian Mean Diagnostics w*, meridional component of the residual meridional circulation (v*, w*) derived from 6 hr or higher frequency data fields (use instantaneous daily fields or 12 hr fields if the 6 hr data are not available). Scale height: 6950 m";m s-1
2;land;vegHeight; ; ;C4MIP,HighResMIP,LUMIP,PMIP;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;ocean;fgcfc11; ;no;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Surface Downward CFC11 flux;"gas exchange flux of CFC11";mol sec-1 m-2
2;ocean;somint; ; ;FAFMIP;mon;Depth Integral of Product of Sea Water Density and Prognostic Salinity;"Full column sum of density*cell thickness*prognostic salinity. If the model is Boussinesq, then use Boussinesq reference density for the density factor.";1e-3 kg m-2
2;ocnBgChem;chl; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP;mon;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
2;ocnBgChem;dfe; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP;mon;Dissolved Iron Concentration;"Dissolved iron in sea water,  including both Fe2+ and Fe3+ ions (but not particulate detrital iron)";mol m-3
2;ocnBgChem;dissi14cabio; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Abiotic Dissolved Inorganic 14Carbon Concentration;"Abiotic Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration";mol m-3
2;ocnBgChem;dissic; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP;mon;Dissolved Inorganic Carbon Concentration;"Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration";mol m-3
2;ocnBgChem;dissicabio; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Abiotic Dissolved Inorganic Carbon Concentration;"Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration";mol m-3
2;ocnBgChem;no3; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP;mon;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
2;ocnBgChem;o2; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP,VIACSAB;mon;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
2;ocnBgChem;po4; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP;mon;Total Dissolved Inorganic Phosphorus 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 phosphorus"" means the sum of all inorganic phosphorus in solution (including phosphate, hydrogen phosphate, dihydrogen phosphate, and phosphoric acid).";mol m-3
2;ocnBgChem;si; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP;mon;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
2;ocnBgChem;talk; ; ;AerChemMIP,C4MIP,CMIP,DCPP,GMMIP,GeoMIP,HighResMIP,LS3MIP,LUMIP,OMIP;mon;Total Alkalinity;"total alkalinity equivalent concentration (including carbonate, nitrogen, silicate, and borate components)";mol m-3
2;ocnBgChem;talknat; ; ;AerChemMIP,C4MIP,CMIP,GMMIP,GeoMIP,HighResMIP,LS3MIP,OMIP;mon;Natural Total Alkalinity;"total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2";mol m-3
3;ocean;tossq; ; ;CFMIP,CMIP,GMMIP,HighResMIP,OMIP,VolMIP;day;Square of Sea Surface Temperature;"Square of temperature of liquid ocean.";degC2