Priority;Component;CMIP name;NorESM name or implementation status;CMOR implementation status;Frequencies;Long name;"Description";Units
1;ocean;agessc;idlage, idlagelvl;partly;dec,mon;Sea Water Age Since Surface Contact;"Time elapsed since water was last in surface layer of the ocean.";yr
1;ocean;areacello;parea;partly;fx;Grid-Cell Area for Ocean Variables;"Horizontal area of ocean grid cells";m2
1;ocean;basin;pmask, mertraoceans;partly;fx;Region Selection Index;"A variable with the standard name of region contains strings which indicate geographical regions. These strings must be chosen from the standard region list.";1
1;ocean;bigthetao; ;no;dec,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;dec,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;mon,yr;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;cfc12;cfc12;yes;mon,yr;Mole Concentration of CFC-12 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 for CFC12 is CF2Cl2. The IUPAC name for CFC12 is dichloro-difluoro-methane.";mol m-3
1;ocean;deptho;pdepth;partly;fx;Sea Floor Depth Below Geoid;"Ocean bathymetry.   Reported here is the sea floor depth for present day relative to z=0 geoid. Reported as missing for land grid cells.";m
1;ocean;fgcfc12; ;no;mon;Surface Downward CFC12 flux;"gas exchange flux of CFC12";mol sec-1 m-2
1;ocean;hfbasin;mhflx;partly;dec,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; ; ;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; ; ;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; ; ;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; ; ;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;hfds;hlfx;partly;dec;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;hfgeou;tidal_dissipation.nc input file ;partly;fx;Upward Geothermal Heat Flux at Sea Floor;"""Upward"" indicates a vector component which is positive when directed upward (negative downward).  In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.";W m-2
1;ocean;masscello;dp;yes;fx,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;dec,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;mlotst; ; ;mon;Ocean Mixed Layer Thickness Defined by Sigma T;"Sigma T is potential density referenced to ocean surface.";m
1;ocean;mlotstmax; ; ;mon;Maximum Ocean Mixed Layer Thickness Defined by Sigma T;"Sigma T is potential density referenced to ocean surface.";m
1;ocean;mlotstmin; ; ;mon;Minimum Ocean Mixed Layer Thickness Defined by Sigma T;"Sigma T is potential density referenced to ocean surface.";m
1;ocean;msftbarot; ; ;mon;Ocean Barotropic Mass Streamfunction;"Streamfunction or its approximation for free surface models. See OMDP document for details.";kg s-1
1;ocean;msftmrho;mmflxl;partly;dec,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; ; ;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;mmflxd;partly;dec,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; ; ;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; ; ;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; ; ;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; ; ;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; ; ;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; ; ;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; ; ;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;obvfsq; ; ;mon;Square of Brunt Vaisala Frequency in Sea Water;"The phrase ""square_of_X"" means X*X. Frequency is the number of oscillations of a wave per unit time. Brunt-Vaisala frequency is also sometimes called ""buoyancy frequency"" and is a measure of the vertical stratification of the medium.";s-2
1;ocean;pbo;dp;yes;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;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;fsalt_ai;partly;dec;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;NA;no;dec;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;sftof;pmask;partly;fx;Sea Area Fraction;"This is the area fraction at the ocean surface.";%
1;ocean;so;saln;no;dec,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; ; ;mon;Sea water Salinity at Sea Floor;"Model prognostic salinity at bottom-most model grid cell";0.001
1;ocean;soga; ;no;dec,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;sss;no;day,dec,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;sosga; ;no;dec,mon;Global Average 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;tauuo;taux;partly;dec;Surface Downward X Stress;"This is the stress on the liquid ocean from overlying atmosphere, sea ice, ice shelf, etc.";N m-2
1;ocean;tauvo;tauy;partly;dec;Surface Downward Y Stress;"This is the stress on the liquid ocean from overlying atmosphere, sea ice, ice shelf, etc.";N m-2
1;ocean;thetao;temp, templvl;yes;dec,mon;Sea Water Potential Temperature;"Diagnostic should be contributed even for models using conservative temperature as prognostic field.";degC
1;ocean;thetaoga;temp ;yes;dec,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;dec,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;mon;Sea Water Potential Temperature at Sea Floor;"Potential temperature at the ocean bottom-most grid cell.";degC
1;ocean;tos;sst;yes;day,dec,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;dec,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;umo; ; ;mon;Ocean Mass X Transport;"X-ward mass transport from resolved and parameterized advective transport.";kg s-1
1;ocean;uo;uvel, uvellvl;partly;dec,mon;Sea Water X Velocity;"Prognostic x-ward velocity component resolved by the model.";m s-1
1;ocean;vmo; ; ;mon;Ocean Mass Y Transport;"Y-ward mass transport from resolved and parameterized advective transport.";kg s-1
1;ocean;vo;vvel, vvellvl;partly;dec,mon;Sea Water Y Velocity;"Prognostic x-ward velocity component resolved by the model.";m s-1
1;ocean;volcello;dz;partly;fx;Ocean Grid-Cell Volume;"grid-cell volume ca. 2000.";m3
1;ocean;volo;dz;yes;dec,mon;Sea Water Volume;"Total volume of liquid sea water.";m3
1;ocean;wfo;lip+sop+eva+rnf+rfi+fmltfz;partly;dec;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;wmo; ; ;mon;Upward Ocean Mass Transport;"Upward mass transport from resolved and parameterized advective transport.";kg s-1
1;ocean;wo; ;no;dec,mon;Sea Water Vertical Velocity;"A velocity is a vector quantity. ""Upward"" indicates a vector component which is positive when directed upward (negative downward).";m s-1
1;ocean;zos;sealv;yes;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;mon;Global Average Thermosteric Sea Level Change;"There is no CMIP6 request for zosga nor zossga.";m
1;ocnBgChem;chl; ; ;yr;Total Chlorophyll Mass Concentration;"Sum of chlorophyll from all phytoplankton group concentrations.  In most models this is equal to chldiat+chlmisc, that is the sum of Diatom Chlorophyll Mass Concentration and Other Phytoplankton Chlorophyll Mass Concentration";kg m-3
1;ocnBgChem;chlos; ; ;day,mon;Sea Surface Total Chlorophyll Mass Concentration;"Sum of chlorophyll from all phytoplankton group concentrations at the sea surface.  In most models this is equal to chldiat+chlmisc, that is the sum of 'Diatom Chlorophyll Mass Concentration' plus 'Other Phytoplankton Chlorophyll Mass Concentration'";kg m-3
1;ocnBgChem;dfe; ; ;yr;Dissolved Iron Concentration;"Dissolved iron in sea water,  including both Fe2+ and Fe3+ ions (but not particulate detrital iron)";mol m-3
1;ocnBgChem;dfeos; ; ;mon;Surface Dissolved Iron Concentration;"dissolved iron in sea water is meant to include both Fe2+ and Fe3+ ions (but not, e.g., particulate detrital iron)";mol m-3
1;ocnBgChem;dissi13c; ; ;yr;Dissolved Inorganic 13Carbon Concentration;"Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration";mol m-3
1;ocnBgChem;dissi13cos; ;no;mon;Surface Dissolved Inorganic 13Carbon Concentration;"Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration";mol m-3
1;ocnBgChem;dissi14cabio; ; ;yr;Abiotic Dissolved Inorganic 14Carbon Concentration;"Abiotic Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration";mol m-3
1;ocnBgChem;dissi14cabioos; ;no;mon;Surface Abiotic Dissolved Inorganic 14Carbon Concentration;"Abiotic Dissolved inorganic 14carbon (CO3+HCO3+H2CO3) concentration";mol m-3
1;ocnBgChem;dissicabio; ;no;yr;Abiotic Dissolved Inorganic Carbon Concentration;"Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration";mol m-3
1;ocnBgChem;dissicabioos; ;no;mon;Surface Abiotic Dissolved Inorganic Carbon Concentration;"Abiotic Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration";mol m-3
1;ocnBgChem;dissicnat; ;no;yr;Natural Dissolved Inorganic Carbon Concentration;"Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2";mol m-3
1;ocnBgChem;dissicnatos; ;no;mon;Surface Natural Dissolved Inorganic Carbon Concentration;"Dissolved inorganic carbon (CO3+HCO3+H2CO3) concentration at preindustrial atmospheric xCO2";mol m-3
1;ocnBgChem;fg13co2; ; ;yr;Total air-sea flux of 13CO2;"alias::surface_downward_mass_flux_of_carbon13_dioxide_abiotic_analogue_expressed_as_carbon13";kg m-2 s-1
1;ocnBgChem;fg14co2abio; ; ;yr;Surface Downward Abiotic 14CO2 Flux;"Gas exchange flux of abiotic 14CO2 (positive into ocean)";kg m-2 s-1
1;ocnBgChem;fgco2; ; ;yr;Surface Downward CO2 Flux;"Gas exchange flux of CO2 (positive into ocean)";kg m-2 s-1
1;ocnBgChem;fgco2abio; ; ;yr;Surface Downward Abiotic CO2 Flux;"Gas exchange flux of abiotic CO2 (positive into ocean)";kg m-2 s-1
1;ocnBgChem;fgco2nat; ; ;yr;Surface Downward Natural CO2 Flux;"Gas exchange flux of natural CO2 (positive into ocean)";kg m-2 s-1
1;ocnBgChem;no3; ; ;yr;Dissolved Nitrate Concentration;"Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.";mol m-3
1;ocnBgChem;no3os; ; ;mon;Surface Dissolved Nitrate Concentration;"Mole concentration means moles (amount of substance) per unit volume and is used in the construction mole_concentration_of_X_in_Y, where X is a material constituent of Y.";mol m-3
1;ocnBgChem;o2; ; ;yr;Dissolved Oxygen Concentration;"'Mole concentration' means number of moles per unit volume, also called""molarity"", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'.";mol m-3
1;ocnBgChem;o2os; ; ;mon;Surface Dissolved Oxygen Concentration;"'Mole concentration' means number of moles per unit volume, also called""molarity"", and is used in the construction mole_concentration_of_X_in_Y, whereX is a material constituent of Y.  A chemical or biological species denoted by X may be described by a single term such as 'nitrogen' or a phrase such as 'nox_expressed_as_nitrogen'.";mol m-3
1;ocnBgChem;o2satos; ; ;mon;Surface Dissolved Oxygen Concentration at Saturation;"""Mole concentration at saturation"" means the mole concentration in a saturated solution. 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"".";mol m-3
1;ocnBgChem;phabio; ; ;yr;Abiotic pH;"negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1 (abiotic component)..";1
1;ocnBgChem;phnat; ; ;yr;Natural pH;"negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1.";1
1;ocnBgChem;si; ; ;yr;Total Dissolved Inorganic Silicon Concentration;"Mole concentration means number of moles per unit volume, also called ""molarity"", and is used in the construction ""mole_concentration_of_X_in_Y"", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as ""nitrogen"" or a phrase such as ""nox_expressed_as_nitrogen"". ""Dissolved inorganic silicon"" means the sum of all inorganic silicon in solution (including silicic acid and its first dissociated anion SiO(OH)3-).";mol m-3
1;ocnBgChem;sios; ; ;mon;Surface Total Dissolved Inorganic Silicon Concentration;"Mole concentration means number of moles per unit volume, also called ""molarity"", and is used in the construction ""mole_concentration_of_X_in_Y"", where X is a material constituent of Y. A chemical or biological species denoted by X may be described by a single term such as ""nitrogen"" or a phrase such as ""nox_expressed_as_nitrogen"". ""Dissolved inorganic silicon"" means the sum of all inorganic silicon in solution (including silicic acid and its first dissociated anion SiO(OH)3-).";mol m-3
1;ocnBgChem;talknat; ; ;yr;Natural Total Alkalinity;"total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2";mol m-3
1;ocnBgChem;talknatos; ; ;mon;Surface Natural Total Alkalinity;"total alkalinity equivalent concentration (including carbonate, borate, phosphorus, silicon, and nitrogen components) at preindustrial atmospheric xCO2";mol m-3
1;seaIce;sfdsi;fsalt_ai;partly;dec;Downward Sea Ice Basal Salt Flux;"This field is physical, and it arises since sea ice has a nonzero salt content, so it exchanges salt with the liquid ocean upon melting and freezing.";kg m-2 s-1
2;atmos;prra; ; ;mon;Rainfall rate;"In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.";kg m-2 s-1
2;atmos;prsn; ; ;mon;Snowfall Flux;"at surface; includes precipitation of all forms of water in the solid phase";kg m-2 s-1
2;ocean;evs; ; ;mon;Water Evaporation Flux Where Ice Free Ocean over Sea;"computed as the total mass of water vapor evaporating from the ice-free portion of the ocean  divided by the area of the ocean portion of the grid cell.";kg m-2 s-1
2;ocean;fgcfc11; ;no;mon;Surface Downward CFC11 flux;"gas exchange flux of CFC11";mol sec-1 m-2
2;ocean;fgsf6; ;no;mon;Surface Downward SF6 flux;"gas exchange flux of SF6";mol sec-1 m-2
2;ocean;ficeberg; ; ;mon;Water Flux into Sea Water From Icebergs;"computed as the iceberg melt water  flux into the ocean divided by the area of the ocean portion of the grid cell.";kg m-2 s-1
2;ocean;friver; ; ;mon;Water Flux into Sea Water From Rivers;"computed as the river flux of water into the ocean divided by the area of the ocean portion of the grid cell.";kg m-2 s-1
2;ocean;hfx; ; ;mon;Ocean Heat X Transport;"Contains all contributions to ""x-ward"" heat transport from resolved and parameterized processes.  Use Celsius for temperature scale.";W
2;ocean;hfy; ; ;mon;Ocean Heat Y Transport;"Contains all contributions to ""y-ward"" heat transport from resolved and parameterized processes. Use Celsius for temperature scale.";W
2;ocean;htovgyre; ; ;mon;Northward Ocean Heat Transport due to Gyre;"From all advective mass transport processes, resolved and parameterized.";W
2;ocean;htovovrt; ; ;mon;Northward Ocean Heat Transport due to Overturning;"From all advective mass transport processes, resolved and parameterized.";W
2;ocean;mfo; ; ;mon;Sea Water Transport;"Transport across_line means that which crosses a particular line on the Earth's surface; formally this means the integral along the line of the normal component of the transport.";kg s-1
2;ocean;sf6; ;no;mon,yr;Moles Per Unit Mass of SF6 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 sulfur hexafluoride is SF6.";mol m-3
2;ocean;sltovgyre; ; ;mon;Northward Ocean Salt Transport due to Gyre;"From all advective mass transport processes, resolved and parameterized.";kg s-1
2;ocean;sltovovrt; ; ;mon;Northward Ocean Salt Transport due to Overturning;"From all advective mass transport processes, resolved and parameterized.";kg s-1
2;ocnBgChem;bfe; ; ;yr;Particulate Biogenic Iron Concentration;"Sum of particulate organic iron component concentrations";mol m-3
2;ocnBgChem;bsi; ; ;yr;Particulate Biogenic Silica Concentration;"Sum of particulate silica component concentrations";mol m-3
2;ocnBgChem;chlcalc; ; ;yr;Mass Concentration of Calcareous Phytoplankton expressed as Chlorophyll in Sea Water;"chlorophyll concentration from the calcite-producing phytoplankton component alone";kg m-3
2;ocnBgChem;chldiat; ; ;yr;Diatom Chlorophyll Mass Concentration;"Chlorophyll from diatom phytoplankton component concentration alone";kg m-3
2;ocnBgChem;chldiaz; ; ;yr;Mass Concentration of Diazotrophs expressed as Chlorophyll in Sea Water;"Chlorophyll concentration from the diazotrophic phytoplankton component alone";kg m-3
2;ocnBgChem;chlmisc; ; ;yr;Other Phytoplankton Chlorophyll Mass Concentration;"Chlorophyll from additional phytoplankton component concentrations alone";kg m-3
2;ocnBgChem;chlpico; ; ;yr;Mass Concentration of Picophytoplankton expressed as Chlorophyll in Sea Water;"chlorophyll concentration from the picophytoplankton (<2 um) component alone";kg m-3
2;ocnBgChem;darag; ; ;yr;Aragonite Dissolution;"Rate of change of Aragonite carbon mole concentration  due to dissolution";mol m-3 s-1
2;ocnBgChem;dcalc; ; ;yr;Calcite Dissolution;"Rate of change of Calcite carbon mole concentration  due to dissolution";mol m-3 s-1
2;ocnBgChem;dmso; ; ;yr;Dimethyl Sulphide Concentration;"Mole concentration of dimethyl sulphide in water";mol m-3
2;ocnBgChem;exparag; ; ;yr;Downward Flux of Aragonite;"Downward flux of Aragonite";mol m-2 s-1
2;ocnBgChem;expc; ; ;yr;Downward Flux of Particulate Organic Carbon;"Downward flux of particulate organic carbon";mol m-2 s-1
2;ocnBgChem;expcalc; ; ;yr;Downward Flux of Calcite;"Downward flux of Calcite";mol m-2 s-1
2;ocnBgChem;expfe; ; ;yr;Sinking Particulate Iron Flux;"In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid.";mol m-2 s-1
2;ocnBgChem;expn; ; ;yr;Sinking Particulate Organic Nitrogen Flux;"In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid.";mol m-2 s-1
2;ocnBgChem;expp; ; ;yr;Sinking Particulate Organic Phosphorus Flux;"In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid.";mol m-2 s-1
2;ocnBgChem;expsi; ; ;yr;Sinking Particulate Silica Flux;"In accordance with common usage in geophysical disciplines, ""flux"" implies per unit area, called ""flux density"" in physics.   'Sinking' is the gravitational settling of particulate matter suspended in a liquid. A sinking flux is positive downwards and is calculated relative to the movement of the surrounding fluid.";mol m-2 s-1
2;ocnBgChem;o2sat; ; ;yr;Dissolved Oxygen Concentration at Saturation;"""Mole concentration at saturation"" means the mole concentration in a saturated solution. 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"".";mol m-3
2;ocnBgChem;parag; ; ;yr;Aragonite Production;"'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'. 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. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  ""tendency_of_X"" means derivative of X with respect to time.  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-3 s-1
2;ocnBgChem;pbfe; ; ;yr;Biogenic Iron Production;"'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'. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  ""tendency_of_X"" means derivative of X with respect to time.";mol m-3 s-1
2;ocnBgChem;pbsi; ; ;yr;Biogenic Silica Production;"'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'. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  ""tendency_of_X"" means derivative of X with respect to time.";mol m-3 s-1
2;ocnBgChem;pcalc; ; ;yr;Calcite Production;"'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'. 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. The specification of a physical process by the phrase due_to_process means that the quantity named is a  single term in a sum of terms which together compose the general quantity  named by omitting the phrase.  ""tendency_of_X"" means derivative of X with respect to time.  Calcite is a mineral that is a polymorph of calcium carbonate. Thechemical formula of calcite is CaCO3. Standard names also exist for aragonite, another polymorph of calcium carbonate.";mol m-3 s-1
2;ocnBgChem;phabioos; ; ;mon;Surface Abiotic pH;"negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1.";1
2;ocnBgChem;phnatos; ; ;mon;Surface Natural pH;"negative log10 of hydrogen ion concentration with the concentration expressed as mol H kg-1.";1
2;ocnBgChem;phyc; ; ;yr;Phytoplankton Carbon Concentration;"sum of phytoplankton carbon component concentrations.  In most (all?) cases this is the sum of phycdiat and phycmisc (i.e., ""Diatom Carbon Concentration"" and ""Non-Diatom Phytoplankton Carbon Concentration""";mol m-3
2;ocnBgChem;phycos; ;no;day,mon;Sea Surface Phytoplankton Carbon Concentration;"sum of phytoplankton organic carbon component concentrations at the sea surface";mol m-3
2;ocnBgChem;phyfe; ; ;yr;Phytoplankton Iron Concentration;"sum of phytoplankton iron component concentrations";mol m-3
2;ocnBgChem;phyn; ; ;yr;Phytoplankton Nitrogen Concentration;"sum of phytoplankton nitrogen component concentrations";mol m-3
2;ocnBgChem;phyp; ; ;yr;Phytoplankton Phosphorus Concentration;"sum of phytoplankton phosphorus components";mol m-3
2;ocnBgChem;physi; ; ;yr;Phytoplankton Silica Concentration;"sum of phytoplankton silica component concentrations";mol m-3
2;ocnBgChem;pnitrate; ; ;yr;Primary Carbon Production by Phytoplankton due to Nitrate Uptake Alone;"Primary (organic carbon) production by phytoplankton due to nitrate uptake alone";mol m-3 s-1
2;ocnBgChem;pon; ; ;yr;Particulate Organic Nitrogen Concentration;"sum of particulate organic nitrogen component concentrations";mol m-3
2;ocnBgChem;pop; ; ;yr;Particulate Organic Phosphorus Concentration;"sum of particulate organic phosphorus component concentrations";mol m-3
2;ocnBgChem;pp; ; ;yr;Primary Carbon Production by Phytoplankton;"total primary (organic carbon) production by phytoplankton";mol m-3 s-1
2;ocnBgChem;remoc; ; ;yr;Remineralization of Organic Carbon;"""tendency_of_X"" means derivative of X with respect to time. 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 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. 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. Remineralization is the degradation of organic matter into inorganic forms of carbon, nitrogen, phosphorus and other micronutrients, which consumes oxygen and releases energy.";mol m-3 s-1
3;ocean;difmxybo; ; ;yr;ocean momentum xy biharmonic diffusivity;"Lateral biharmonic viscosity applied to the momentum equations.";m4 s-1
3;ocean;difmxylo; ; ;yr;Ocean Momentum xy Laplacian Diffusivity;"Lateral Laplacian viscosity applied to the momentum equations.";m2 s-1
3;ocean;diftrblo; ; ;yr;Ocean Tracer Bolus Laplacian Diffusivity;"Ocean tracer diffusivity associated with parameterized eddy-induced advective transport. Sometimes this diffusivity is called the 'thickness' diffusivity. For CMIP5, this diagnostic was called 'ocean tracer bolus laplacian diffusivity'.  The CMIP6 name is physically more relevant.";m2 s-1
3;ocean;diftrelo; ; ;yr;ocean tracer epineutral laplacian diffusivity;"Ocean tracer diffusivity associated with parameterized eddy-induced diffusive transport oriented along neutral or isopycnal directions. Sometimes this diffusivity is called the neutral diffusivity or isopycnal diffusivity or Redi diffusivity.";m2 s-1
3;ocean;difvho; ; ;yr;Ocean Vertical Heat Diffusivity;"Vertical/dianeutral diffusivity applied to prognostic temperature field.";m2 s-1
3;ocean;difvso; ; ;yr;ocean vertical salt diffusivity;"Vertical/dianeutral diffusivity applied to prognostic salinity field.";m2 s-1
3;ocean;dispkexyfo; ; ;yr;ocean kinetic energy dissipation per unit area due to xy friction;"Depth integrated impacts on kinetic energy arising from lateral frictional dissipation associated with Laplacian and/or biharmonic viscosity. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements.";W m-2
3;ocean;mlotstsq; ; ;mon;Square of Ocean Mixed Layer Thickness Defined by Sigma T;"The ocean mixed layer is the upper part of the ocean, regarded as being well-mixed.  The base of the mixed layer defined by temperature, sigma, sigma_theta or sigma_t is the level at which the quantity indicated differs from its surface value by a certain amount.  ""Thickness"" means the vertical extent of a layer.  ""square_of_X"" means X*X.";m2
3;ocean;ocontempdiff; ; ;yr;Tendency of Sea Water Conservative Temperature Expressed as Heat Content due to parameterized dianeutral mixing;"Tendency of heat content for a grid cell from parameterized dianeutral mixing. Reported only for models that use conservative temperature as prognostic field.";W m-2
3;ocean;ocontempmint; ;no;yr;Depth Integral of Product of Sea Water Density and Conservative Temperature;"Full column sum of density*cell thickness*conservative temperature. If the model is Boussinesq, then use Boussinesq reference density for the density factor.";degC kg m-2
3;ocean;ocontemppadvect; ; ;yr;Tendency of Sea Water Conservative Temperature Expressed as Heat Content due to parameterized eddy advection;"Tendency of heat content for a grid cell from parameterized eddy advection (any form of eddy advection). Reported only for models that use conservative temperature as prognostic field.";W m-2
3;ocean;ocontemppmdiff; ; ;yr;Tendency of Sea Water Conservative Temperature Expressed as Heat Content due to parameterized mesoscale diffusion;"Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use conservative temperature as prognostic field.";W m-2
3;ocean;ocontemppsmadvect; ; ;yr;Tendency of Sea Water Conservative Temperature Expressed as Heat Content due to parameterized submesoscale advection;"Tendency of heat content for a grid cell from parameterized submesoscale eddy advection. Reported only for models that use conservative temperature as prognostic field.";W m-2
3;ocean;ocontemprmadvect; ; ;yr;Tendency of Sea Water Conservative Temperature Expressed as Heat Content due to Residual Mean Advection;"""tendency_of_X"" means derivative of X with respect to time. ""Content"" indicates a quantity per unit area. The phrase ""expressed_as_heat_content"" means that this quantity is calculated as the specific heat capacity times density of sea water multiplied by the conservative temperature of the sea water in the grid cell. Conservative Temperature is defined as part of the Thermodynamic Equation of Seawater 2010 (TEOS-10) which was adopted in 2010 by the International Oceanographic Commission (IOC). Conservative Temperature is specific potential enthalpy (which has the standard name sea_water_specific_potential_enthalpy) divided by a fixed value of the specific heat capacity of sea water, namely cp_0 = 3991.86795711963 J kg-1 K-1. Conservative Temperature is a more accurate measure of the ""heat content"" of sea water, by a factor of one hundred, than is potential temperature. Because of this, it can be regarded as being proportional to the heat content of sea water per unit mass. Reference: www.teos-10.org; McDougall, 2003 doi: 10.1175/1520-0485(2003)033<0945:PEACOV>2.0.CO;2. 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 phrase ""residual_mean_advection"" refers to the sum of the model's resolved advective transport plus any parameterized advective transport. Parameterized advective transport includes processes such as parameterized mesoscale and submesoscale transport, as well as any other advectively parameterized transport. When the parameterized advective transport is represented in the model as a skew-diffusion rather than an advection, then the parameterized skew diffusion should be included in this diagnostic, since the convergence of skew-fluxes are identical (in the continuous formulation) to the convergence of advective fluxes.";W m-2
3;ocean;ocontemptend; ; ;yr;Tendency of Sea Water Conservative Temperature Expressed as Heat Content;"Tendency of heat content for a grid cell from all processes. Reported only for models that use conservative temperature as prognostic field.";W m-2
3;ocean;opottempdiff; ; ;yr;Tendency of Sea Water Potential Temperature Expressed as Heat Content due to Parameterized Dianeutral Mixing;"Tendency of heat content for a grid cell from parameterized dianeutral mixing. Reported only for models that use potential temperature as prognostic field.";W m-2
3;ocean;opottempmint; ;no;yr;Integral with Respect to Depth of Product of Sea Water Density and Potential Temperature;"The phrase ""integral_wrt_X_of_Y"" means int Y dX. The data variable should have an axis for X specifying the limits of the integral as bounds. The phrase ""wrt"" means ""with respect to"". The phrase ""product_of_X_and_Y"" means X*Y. Depth is the vertical distance below the surface. Sea water density is the in-situ density (not the potential density). For Boussinesq models, density is the constant Boussinesq reference density, a quantity which has the standard name reference_sea_water_density_for_boussinesq_approximation. Potential temperature is the temperature a parcel of air or sea water would have if moved adiabatically to sea level pressure.";degC kg m-2
3;ocean;opottemppadvect; ; ;yr;Tendency of Sea Water Potential Temperature Expressed as Heat Content due to Parameterized Eddy Advection;"Tendency of heat content for a grid cell from parameterized eddy advection (any form of eddy advection). Reported only for models that use potential temperature as prognostic field.";W m-2
3;ocean;opottemppmdiff; ; ;yr;Tendency of Sea water Potential Temperature expressed as heat content due to parameterized mesoscale diffusion;"Tendency of heat content for a grid cell from parameterized mesoscale eddy diffusion. Reported only for models that use potential temperature as prognostic field.";W m-2
3;ocean;opottemppsmadvect; ; ;yr;Tendency of Sea water Potential Temperature expressed as heat content due to parameterized submesoscale advection;"Tendency of heat content for a grid cell from parameterized submesoscale eddy advection. Reported only for models that use potential temperature as prognostic field.";W m-2
3;ocean;opottemprmadvect; ; ;yr;Tendency of Sea Eater Potential Temperature Expressed as Heat Content due to Residual Mean Advection;"The phrase ""tendency_of_X"" means derivative of X with respect to time. ""Content"" indicates a quantity per unit area. The phrase ""expressed_as_heat_content"" means that this quantity is calculated as the specific heat capacity times density of sea water multiplied by the potential temperature of the sea water in the grid cell. Potential temperature is the temperature a parcel of air or sea water would have if moved adiabatically to sea level pressure. 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 phrase ""residual_mean_advection"" refers to the sum of the model's resolved advective transport plus any parameterized advective transport. Parameterized advective transport includes processes such as parameterized mesoscale and submesoscale transport, as well as any other advectively parameterized transport. When the parameterized advective transport is represented in the model as a skew-diffusion rather than an advection, then the parameterized skew diffusion should be included in this diagnostic, since the convergence of skew-fluxes are identical (in the continuous formulation) to the convergence of advective fluxes.";W m-2
3;ocean;opottemptend; ; ;yr;Tendency of Sea water Potential Temperature expressed as heat content;"Tendency of heat content for a grid cell from all processes. Reported only for models that use potential temperature as prognostic field.";W m-2
3;ocean;osaltdiff; ; ;yr;Tendency of Sea water Salinity expressed as salt content due to parameterized dianeutral mixing;"Tendency of salt content for a grid cell from parameterized dianeutral mixing.";kg m-2 s-1
3;ocean;osaltpadvect; ; ;yr;Tendency of Sea water Salinity expressed as salt content due to parameterized eddy advection;"Tendency of salt content for a grid cell from parameterized eddy advection (any form of eddy advection).";kg m-2 s-1
3;ocean;osaltpmdiff; ; ;yr;Tendency of Sea water Salinity expressed as salt content due to parameterized mesoscale diffusion;"Tendency of salt content for a grid cell from parameterized mesoscale eddy diffusion.";kg m-2 s-1
3;ocean;osaltpsmadvect; ; ;yr;Tendency of Sea Water Salinity Expressed as Salt Content due to Parameterized Submesoscale Advection;"Tendency of salt content for a grid cell from parameterized submesoscale eddy advection.";kg m-2 s-1
3;ocean;osaltrmadvect; ; ;yr;Tendency of Sea Water Salinity Expressed as Salt Content due to Residual Mean Advection;"The phrase ""tendency_of_X"" means derivative of X with respect to time. ""Content"" indicates a quantity per unit area. 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 phrase ""residual_mean_advection"" refers to the sum of the model's resolved advective transport plus any parameterized advective transport. Parameterized advective transport includes processes such as parameterized mesoscale and submesoscale transport, as well as any other advectively parameterized transport. When the parameterized advective transport is represented in the model as a skew-diffusion rather than an advection, then the parameterized skew diffusion should be included in this diagnostic, since the convergence of skew-fluxes are identical (in the continuous formulation) to the convergence of advective fluxes.";kg m-2 s-1
3;ocean;osalttend; ; ;yr;Tendency of Sea water Salinity expressed as salt content;"Tendency of salt content for a grid cell from all processes.";kg m-2 s-1
3;ocean;rsdoabsorb; ; ;yr;Net Rate of Absorption of Shortwave Energy in Ocean Layer;"""shortwave"" means shortwave radiation. ""Layer"" means any layer with upper and lower boundaries that have constant values in some vertical coordinate. There must be a vertical coordinate variable indicating the extent of the layer(s). If the layers are model layers, the vertical coordinate can be model_level_number, but it is recommended to specify a physical coordinate (in a scalar or auxiliary coordinate variable) as well. Net absorbed radiation is the difference between absorbed and emitted radiation.";W m-2
3;ocean;somint; ;no;yr;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
3;ocean;sossq; ; ;day,mon;Square of Sea Surface Salinity;"The phrase ""square_of_X"" means X*X. Sea surface salinity is the salt concentration 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.";1e-06
3;ocean;tnkebto; ; ;yr;Tendency of Ocean Eddy Kinetic Energy Content due to Bolus Transport;"Depth integrated impacts on kinetic energy arising from parameterized eddy-induced advection. For CMIP5, this diagnostic was 3d, whereas the CMIP6 depth integrated diagnostic is sufficient for many purposes and reduces archive requirements.";W m-2
3;ocean;tnpeo; ; ;yr;tendency of ocean potential energy content;"Rate that work is done against vertical stratification, as measured by the vertical heat and salt diffusivity. Report here as depth integrated two-dimensional field.";W m-2
3;ocean;tossq; ;no;day,mon;Square of Sea Surface Temperature;"Square of temperature of liquid ocean.";degC2
3;ocean;zossq; ;no;mon;Square of Sea Surface Height Above Geoid;"Surface ocean geoid defines z=0.";m2
3;ocnBgChem;bddtalk; ; ;yr;Rate of Change of Alkalinity due to Biological Activity;"Net total of biological terms in time rate of change of alkalinity";mol m-3 s-1
3;ocnBgChem;bddtdic; ; ;yr;Rate of Change of Dissolved Inorganic Carbon due to Biological Activity;"Net total of biological terms in time rate of change of dissolved inorganic carbon";mol m-3 s-1
3;ocnBgChem;bddtdife; ; ;yr;Rate of Change of Dissolved Inorganic Iron due to Biological Activity;"Net total of biological terms in time rate of change of dissolved inorganic iron";mol m-3 s-1
3;ocnBgChem;bddtdin; ; ;yr;Rate of Change of Nitrogen Nutrient due to Biological Activity;"Net total of biological terms in time rate of change of nitrogen nutrients (e.g. NO3+NH4)";mol m-3 s-1
3;ocnBgChem;bddtdip; ; ;yr;Rate of Change of Dissolved Phosphorus due to Biological Activity;"Net of biological terms in time rate of change of dissolved phosphate";mol m-3 s-1
3;ocnBgChem;bddtdisi; ; ;yr;Rate of Change of Dissolved Inorganic silicon due to Biological Activity;"Net of biological terms in time rate of change of dissolved inorganic silicon";mol m-3 s-1
3;ocnBgChem;bfeos; ; ;mon;Surface Mole Concentration of Particulate Organic Matter expressed as Iron in Sea Water;"sum of particulate organic iron component concentrations";mol m-3
3;ocnBgChem;bsios; ; ;mon;Surface Mole Concentration of Particulate Organic Matter expressed as Silicon in Sea Water;"sum of particulate silica component concentrations";mol m-3
3;ocnBgChem;chlcalcos; ; ;mon;Surface Mass Concentration of Calcareous Phytoplankton expressed as Chlorophyll in Sea Water;"chlorophyll concentration from the calcite-producing phytoplankton component alone";kg m-3
3;ocnBgChem;chldiatos; ; ;mon;Surface Mass Concentration of Diatoms expressed as Chlorophyll in Sea Water;"chlorophyll from diatom phytoplankton component concentration alone";kg m-3
3;ocnBgChem;chldiazos; ; ;mon;Surface Mass Concentration of Diazotrophs expressed as Chlorophyll in Sea Water;"chlorophyll concentration from the diazotrophic phytoplankton component alone";kg m-3
3;ocnBgChem;chlmiscos; ; ;mon;Surface Mass Concentration of Other Phytoplankton expressed as Chlorophyll in Sea Water;"chlorophyll from additional phytoplankton component concentrations alone";kg m-3
3;ocnBgChem;chlpicoos; ; ;mon;Surface Mass Concentration of Picophytoplankton expressed as Chlorophyll in Sea Water;"chlorophyll concentration from the picophytoplankton (<2 um) component alone";kg m-3
3;ocnBgChem;dmsos; ; ;mon;Surface Mole Concentration of Dimethyl Sulphide 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, 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'. The chemical formula for dimethyl sulfide is (CH3)2S.  Dimethyl sulfide is sometimes referred to as DMS.";mol m-3
3;ocnBgChem;fediss; ; ;yr;Particulate Source of Dissolved Iron;"Dissolution, remineralization and desorption of iron back to the dissolved phase";mol m-3 s-1
3;ocnBgChem;fescav; ; ;yr;Nonbiogenic Iron Scavenging;"Dissolved Fe removed through nonbiogenic scavenging onto particles";mol m-3 s-1
3;ocnBgChem;graz; ; ;yr;Total Grazing of Phytoplankton by Zooplankton;"""tendency_of_X"" means derivative of X with respect to time. 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 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. 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. Phytoplankton are autotrophic prokaryotic or eukaryotic algae that live near the water surface where there is sufficient light to support photosynthesis. ""Grazing of phytoplankton"" means the grazing of phytoplankton by zooplankton.";mol m-3 s-1
3;ocnBgChem;phyfeos; ; ;mon;Surface Mole Concentration of Total Phytoplankton expressed as Iron in Sea Water;"sum of phytoplankton iron component concentrations";mol m-3
3;ocnBgChem;phynos; ; ;mon;Surface Mole Concentration of Phytoplankton Nitrogen in Sea Water;"sum of phytoplankton nitrogen component concentrations";mol m-3
3;ocnBgChem;phypos; ; ;mon;Surface Mole Concentration of Total Phytoplankton expressed as Phosphorus in Sea Water;"sum of phytoplankton phosphorus components";mol m-3
3;ocnBgChem;physios; ; ;mon;Surface Mole Concentration of Total Phytoplankton expressed as Silicon in Sea Water;"sum of phytoplankton silica component concentrations";mol m-3
3;ocnBgChem;ponos; ; ;mon;Surface Mole Concentration of Particulate Organic Matter expressed as Nitrogen in Sea Water;"sum of particulate organic nitrogen component concentrations";mol m-3
3;ocnBgChem;popos; ; ;mon;Surface Mole Concentration of Particulate Organic Matter expressed as Phosphorus in Sea Water;"sum of particulate organic phosphorus component concentrations";mol m-3
3;ocnBgChem;ppcalc; ; ;yr;Tendency of Mole Concentration of Organic Carbon in Sea Water due to Net Primary Production by Calcareous Phytoplankton;"Primary (organic carbon) production by the calcite-producing phytoplankton component alone";mol m-3 s-1
3;ocnBgChem;ppdiat; ; ;yr;Diatom Primary Carbon Production;"Primary (organic carbon) production by the diatom component alone";mol m-3 s-1
3;ocnBgChem;ppdiaz; ; ;yr;Tendency of Mole Concentration of Organic Carbon in Sea Water due to Net Primary Production by Diazotrophs;"Primary (organic carbon) production by the diazotrophic phytoplankton component alone";mol m-3 s-1
3;ocnBgChem;ppmisc; ; ;yr;Other Phytoplankton Carbon Production;"Primary (organic carbon) production by other phytoplankton components alone";mol m-3 s-1
3;ocnBgChem;pppico; ; ;yr;Tendency of Mole Concentration of Organic Carbon in Sea Water due to Net Primary Production by Picophytoplankton;"Primary (organic carbon) production by the picophytoplankton (<2 um) component alone";mol m-3 s-1