CF Standard Names - Discussed Atmospheric Chemistry and Aerosol Terms

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It is the philosophy of CF only define those standard_names for which a demand has been expressed. The proposed standard_names on this page are needed for a model intercomparison of three CTMs within the Global and regional Earth-system (Atmosphere) Monitoring using Satellite and in-situ data GEMS project within the theme Global Reactive Gases (GRG). In addition, most of these names probably will be needed within the Task Force on Hemispheric Transport of Air Pollution TF HTAP.

The proposed standard_names listed below are based on the ideas provided at Construction of Atmospheric Chemistry and Aerosol Terms and Future Standard_Names. They are constructed from name components and species mentioned in tables 1 and 2 of this page.


Comments to ChristianeTextor or directly on our discussion page are highly welcome!

You can directly modify the tables here, all versions are stored under 'history'. However, in order to keep track of the changes, please send an email to ChristianeTextor.

Proposed names for chemicals

Table: gas phase species: concentrations and columns

CF Standard_name Explanation Canonical unit
gas phase species: concentrations and columns
mole_fraction_of_ozone_in_air volume mixing ratio of ozone, O3 1=mole/mole
mole_fraction_of_hydrogen_peroxide_in_air volume mixing ratio of hydrogen peroxide, H2O2 1=mole/mole
mole_fraction_of_hydroxyl_radical_in_air volume mixing ratio of the hydroxy radical, hydroxyl, OH 1=mole/mole
mole_fraction_of_hydroperoxy_radical_in_air volume mixing ratio of the hydroperoxy radical, HO2 1=mole/mole
mole_fraction_of_nitrogen_monoxide_in_air volume mixing ratio of nitrogen monoxide, NO 1=mole/mole
mole_fraction_of_nitrogen_dioxide_in_air volume mixing ratio of nitrogen dioxide, NO2 1=mole/mole
mole_fraction_of_all_nitrogen_oxides_in_air volume mixing ratio of total_nitrogen_oxides NOy, includes all nitrogen oxides included in the model, to be specified in by the modeller in the long_name attribute if possible ??? 1=mole/mole
mole_fraction_of_nitric_acid_in_air volume mixing ratio of nitric acid, HNO3 1=mole/mole
mole_fraction_of_ammonia_in_air volume mixing ratio of ammonia, NH3 1=mole/mole
mole_fraction_of_ammonium_in_air volume mixing ratio of ammonium, NH4 1=mole/mole
mole_fraction_of_methane_in_air volume mixing ratio of methane, CH4 1=mole/mole
mole_fraction_of_peroxyacetyl_nitrate_in_air volume mixing ratio of peroxyacetyl nitrate, PAN, CH3COO2NO2 1=mole/mole
mole_fraction_of_carbon_monoxide_in_air volume mixing ratio of carbon monoxide, CO 1=mole/mole
mole_fraction_of_formaldehyde_in_air volume mixing ratio of formaldehyde, CH2O 1=mole/mole
mole_fraction_of_sulfur_dioxide_in_air volume mixing ratio of sulfur dioxide, SO2 1=mole/mole
mole_fraction_of_radon_in_air volume mixing ratio of radon, Rn 1=mole/mole
mole_fraction_of_lead_in_air volume mixing ratio of lead, Pb 1=mole/mole
mass_fraction_of_ozone_in_air mass fraction of ozone, O3 1=kg/kg
mass_fraction_of_hydrogen_peroxide_in_air mass fraction of hydrogen peroxide, H2O2 1=kg/kg
mass_fraction_of_hydroxyl_radical_in_air mass fraction of the hydroxy radical, hydroxyl, OH 1=kg/kg
mass_fraction_of_hydroperoxy_radical_in_air mass fraction ratio of the hydroperoxy radical, HO2 1=kg/kg
mass_fraction_of_nitrogen_monoxide_in_air mass fraction of nitrogen monoxide, NO 1=kg/kg
mass_fraction_of_nitrogen_dioxide_in_air mass fraction of nitrogen dioxide, NO2 1=kg/kg
mass_fraction_of_all_nitrogen_oxides_in_air mass fraction of total_nitrogen_oxides NOy, includes all nitrogen oxides included in the model, to be specified in by the modeller in the long_name attribute if possible ??? 1=kg/kg
mass_fraction_of_nitric_acid_in_air mass fraction of nitric acid, HNO3 1=kg/kg
mass_fraction_of_ammonia_in_air mass fraction of ammonia, NH3 1=kg/kg
mass_fraction_of_ammonium_in_air mass fraction of ammonium, NH4 1=kg/kg
mass_fraction_of_methane_in_air mass fraction of methane, CH4 1=kg/kg
mass_fraction_of_peroxyacetyl_nitrate_in_air mass fraction of peroxyacetyl nitrate, PAN, CH3COO2NO2 1=kg/kg
mass_fraction_of_carbon_monoxide_in_air mass fraction of carbon monoxide, CO 1=kg/kg
mass_fraction_of_formaldehyde_in_air mass fraction of formaldehyde, CH2O 1=kg/kg
mass_fraction_of_sulfur_dioxide_in_air mass fraction of sulfur dioxide, SO2 1=kg/kg
mass_fraction_of_radon_in_air mass fraction of radon, Rn 1=kg/kg
mass_fraction_of_lead_in_air mass fraction of lead, Pb 1=kg/kg
mole_fraction_of_ozone_from_stratosphere_in troposphere volume mixing ratio of ozone from the stratosphere 1=mole/mole
mole_content_of_ozone_in_air_below_chemical_tropopause vertically integrated moles of O3 in the gas phase mole/m2
mole_content_of_nitrogen_monooxide_in_air_below_chemical_tropopause vertically integrated moles of NO in the gas phase mole/m2
mole_content_of_nitrogen_dioxide_in_air_below_chemical_tropopause vertically integrated moles of NO2in the gas phase mole/m2
mole_content_of_carbon_monoxide_in_air_below_chemical_tropopause vertically integrated moles of CO in the gas phase mole/m2
mole_content_of_formaldehyde_in_air_below_chemical_tropopause vertically integrated moles of H2CO in the gas phase mole/m2
mole_content_of_sulfur_dioxide_in_air_below_chemical_tropopause vertically integrated moles of SO2 in the gas phase mole/m2

Table: gas phase species: emissions

CF Standard_name Explanation Canonical unit
gases phase species: emissions
surface_emission_mole_flux_of_ozone surface emission of O3 mole/m2/s
surface_emission_mole_flux_of_nitrogen_monoxide surface emission of NO mole/m2/s
surface_emission_mole_flux_of_nitrogen_dioxide surface emission of NO2 mole/m2/s
surface_emission_mole_flux_of_carbon_monoxide surface emission of CO mole/m2/s
surface_emission_mole_flux_of_sulfur_dioxide surface emission of SO2 mole/m2/s
surface_emission_mole_flux_of_formaldehyde surface emission of CHCO mole/m2/s
surface_emission_mole_flux_of_methane surface emission of CH4 mole/m2/s
surface_emission_mole_flux_of_ammonia surface emission of NH3 mole/m2/s
surface_emission_mole_flux_of_dinitrogen_oxide surface emission of N2O mole/m2/s

atmosphere_emission_mole_flux_of_ozone athmosphere emission of O3 mole/m3/s
atmosphere_emission_mole_flux_of_nitrogen_monoxide atmosphere emission of NO mole/m3/s
atmosphere_emission_mole_flux_of_nitrogen_dioxide atmosphere emission of NO2 mole/m3/s
atmosphere_emission_mole_flux_of_carbon_monoxide atmosphere emission of CO mole/m3/s
atmosphere_emission_mole_flux_of_sulfur_dioxide atmosphere emission of SO2 mole/m3/s
atmosphere_emission_mole_flux_of_formaldehyde atmosphere emission of CHCO mole/m3/s
atmosphere_emission_mole_flux_of_methane atmosphere emission of CH4 mole/m3/s
atmosphere_emission_mole_flux_of_ammonia atmosphere emission of NH3 mole/m3/s
atmosphere_emission_mole_flux_of_dinitrogen_oxide atmosphere emission of N2O mole/m3/s

Table: gas phase species: dry deposition

CF Standard_name Explanation Canonical unit
gases phase species: dry deposition
surface_dry_deposition_mole_flux_due_to_turbulence_of_ozone dry deposition flux of O3 mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_hydrogen_peroxide dry deposition flux of H2O2 mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_nitrogen_monooxide dry deposition flux of NO mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_nitrogen_dioxide dry deposition flux of NO2 mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_all_nitrogen_oxides dry deposition flux of NOy mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_nitric_acid dry deposition flux of HNO3 mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_ammonia dry deposition flux of NH3 mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_ammonium dry deposition flux of NH4 mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_peroxyacetyl_nitrate dry deposition flux of PAN mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_carbon_monoxide dry deposition flux of CO mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_formaldehyde wet deposition flux of CHO2 mole/m2/s
surface_dry_deposition_mole_flux_due_to_turbulence_of_sulfur_dioxide dry deposition flux of SO2 mole/m2/s
surface_dry_deposition_velocity_due_to_turbulence_of_ozone dry deposition velocity of O3 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_hydrogen_peroxide dry deposition velocity of H2O2 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_nitrogen_monooxide dry deposition velocity of NO 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_nitrogen_dioxide dry deposition velocity of NO2 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_all_nitrogen_oxides dry deposition velocity of NOy 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_nitric_acide dry deposition velocity of HNO3 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_ammonia dry deposition velocity of NH3 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_ammonium dry deposition velocity of NH4 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_peroxyacetyl_nitrate dry deposition velocity of PAN 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_carbon_monoxide dry deposition velocity of CO 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_formaldehyde wet deposition velocity of CHO2 1/s
surface_dry_deposition_velocity_due_to_turbulence_of_sulfur_dioxide dry deposition velocity of SO2 1/s

Table: gas phase species: wet deposition

CF Standard_name Explanation Canonical unit
gases phase species: wet deposition
surface_wet_deposition_mole_flux_of_all_nitrogen_oxides wet deposition of NOy mole/m2/s
surface_wet_deposition_mole_flux_of_nitric_acid wet deposition of HNO3 mole/m2/s
surface_wet_deposition_mole_flux_of_ammonia wet deposition of NH3 mole/m2/s
surface_wet_deposition_mole_flux_of_ammonium wet deposition of NH4 mole/m2/s
surface_wet_deposition_mole_flux_of_sulfur_dioxide wet deposition of SO2 mole/m2/s

Table: gas phase species: chemical prod/loss

CF Standard_name Explanation Canonical unit
gases phase species: chemical prod/loss
chemical_net_production_rate_of_mole_fraction_of_ozone chemical net production of ozone from all reactions (prod-loss) 1/s=mole/mole/s
chemical_gross_production_rate_of_mole_fraction_of_ozone chemical gross production of ozone 1/s=mole/mole/s
chemical_destruction_rate_of_mole_fraction_of_ozone chemical destruction of ozone 1/s=mole/mole/s
chemical_net_production_rate_of_mole_fraction_of_carbon_monoxide chemical net production of CO from all reactions (prod-loss) 1/s=mole/mole/s
chemical_gross_production_rate_of_mole_fraction_of_carbon_monoxide chemical gross production of CO 1/s=mole/mole/s
chemical_destruction_rate_of_mole_fraction_of_carbon_monoxide chemical destruction of CO 1/s=mole/mole/s
chemical_net_production_rate_of_mole_fraction_of_nitrogen_monoxide chemical net production of NO from all reactions (prod-loss) 1/s=mole/mole/s
chemical_gross_production_rate_of_mole_fraction_of_nitrogen_monoxide chemical gross production of NO 1/s=mole/mole/s
chemical_destruction_rate_of_mole_fraction_of_nitrogen_monoxide chemical destruction of NO 1/s=mole/mole/s
chemical_net_production_rate_of_mole_fraction_of_nitrogen_dioxide chemical net production of NO2 from all reactions (prod-loss) 1/s=mole/mole/s
chemical_gross_production_rate_of_mole_fraction_of_nitrogen_dioxide chemical gross production of NO2 1/s=mole/mole/s
chemical_destruction_rate_of_mole_fraction_of_nitrogen_dioxide chemical destruction of NO2 1/s=mole/mole/s
chemical_net_production_rate_of_mole_fraction_of_sulfur-dioxide chemical net production of SO2 from all reactions (prod-loss) 1/s=mole/mole/s
chemical_gross_production_rate_of_mole_fraction_of_sulfur-dioxide chemical gross production of SO2 1/s=mole/mole/s
chemical_destruction_rate_of_mole_fraction_of_sulfur-dioxide chemical destruction of SO2 1/s=mole/mole/s
chemical_net_production_rate_of_mole_fraction_of_formaldehyde chemical net production of CHCO from all reactions (prod-loss) 1/s=mole/mole/s
chemical_gross_production_rate_of_mole_fraction_of_formaldehyde chemical gross production of CHCO 1/s=mole/mole/s
chemical_destruction_rate_of_mole_fraction_of_formaldehyde chemical destruction of CHCO 1/s=mole/mole/s

Table: Proposed names for aerosols

CF Standard_name Explanation Canonical unit
aerosols: concentrations and columns
mass_concentration_of_dry_aerosol total dry aerosol kg/m3

Table: Other names needed for the intercomparison of Chemical Transport Models

CF Standard_name Explanation Canonical unit
lightning_flash_frequency flash frequency due to lightning 1/s=flashes/s
reference_surface_air_pressure atmospheric reference pressure at the surface (around 10^5 Pa) Pa