CF Standard Names - Discussed Atmospheric Chemistry and Aerosol Terms

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The proposed standard_names 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.


Version update[edit | edit source]

  • first version 29 June 2006 Christiane Textor
  • updated by CT according to the comments of Vincent-Henri Peuch (see discussion 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[edit | edit source]

Table 3.1: Proposed names for chemicals[edit | edit source]

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_peroxy_acetyl_nitrate_in_air volume mixing ratio of peroxy acetyl 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
mole_fraction_of_ozone_from_stratosphere_in troposphere volume mixing ratio of ozone from the stratosphere 1=mole/mole
up_to_chemical_tropopause_mole_content_of_ozone_in_air vertically integrated moles of O3 in the gas phase mole/m2
up_to_chemical_tropopause_mole_content_of_nitrogen_monooxide_in_air vertically integrated moles of NO in the gas phase mole/m2
up_to_chemical_tropopause_mole_content_of_nitrogen_dioxide_in_air vertically integrated moles of NO2in the gas phase mole/m2
up_to_chemical_tropopause_mole_content_of_carbon_monoxide_in_air vertically integrated moles of CO in the gas phase mole/m2
up_to_chemical_tropopause_mole_content_of_formaldehyde_in_air vertically integrated moles of H2CO in the gas phase mole/m2
up_to_chemical_tropopause_mole_content_of_sulfur_dioxide_in_air vertically integrated moles of SO2 in the gas phase mole/m2
gases: fluxes/productions/emissions
dry_deposition_mole_flux_due_to_turbulence_of_ozone_at_surface dry deposition flux of O3 mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_hydrogen_peroxide_at_surface dry deposition flux of H2O2 mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_nitrogen_monooxide_at_surface dry deposition flux of NO mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_nitrogen_dioxide_at_surface dry deposition flux of NO2 mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_all_nitrogen_oxides_at_surface dry deposition flux of NOy mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_nitric_acid_at_surface dry deposition flux of HNO3 mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_ammonia_at_surface dry deposition flux of NH3 mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_ammonium_at_surface dry deposition flux of NH4 mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_peroxy_acetyl_nitrate_at_surface dry deposition flux of PAN mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_carbon_monoxide_at_surface dry deposition flux of CO mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_formaldehyde_at_surface wet deposition flux of CHO2 mole/m2/s
dry_deposition_mole_flux_due_to_turbulence_of_sulfur_dioxide_at_surface dry deposition flux of SO2 mole/m2/s
dry_deposition_velocity_due_to_turbulence_of_ozone_at_surface dry deposition velocity of O3 1/s??
dry_deposition_velocity_due_to_turbulence_of_hydrogen_peroxide_at_surface dry deposition velocity of H2O2 1/s??
dry_deposition_velocity_due_to_turbulence_of_nitrogen_monooxide_at_surface dry deposition velocity of NO 1/s
dry_deposition_velocity_due_to_turbulence_of_nitrogen_dioxide_at_surface dry deposition velocity of NO2 1/s
dry_deposition_velocity_due_to_turbulence_of_all_nitrogen_oxides_at_surface dry deposition velocity of NOy 1/s
dry_deposition_velocity_due_to_turbulence_of_nitric_acid_at_surface dry deposition velocity of HNO3 1/s
dry_deposition_velocity_due_to_turbulence_of_ammonia_at_surface dry deposition velocity of NH3 1/s
dry_deposition_velocity_due_to_turbulence_of_ammonium_at_surface dry deposition velocity of NH4 1/s
dry_deposition_velocity_due_to_turbulence_of_peroxy_acetyl_nitrate_at_surface dry deposition velocity of PAN 1/s
dry_deposition_velocity_due_to_turbulence_of_carbon_monoxide_at_surface dry deposition velocity of CO 1/s
dry_deposition_velocity_due_to_turbulence_of_formaldehyde_at_surface wet deposition velocity of CHO2 1/s
dry_deposition_velocity_due_to_turbulence_of_sulfur_dioxide_at_surface dry deposition velocity of SO2 1/s
wet_deposition_mole_flux_of_all_nitrogen_oxides_at_surface wet deposition of NOy mole/m2/s
wet_deposition_mole_flux_of_nitric_acid_at_surface wet deposition of HNO3 mole/m2/s
wet_deposition_mole_flux_of_ammonia_at_surface wet deposition of NH3 mole/m2/s
wet_deposition_mole_flux_of_ammonium_at_surface wet deposition of NH4 mole/m2/s
wet_deposition_mole_flux_of_sulfur_dioxide_at_surface wet deposition of SO2 mole/m2/s
chemical_net_production_of_ozone chemical net production of ozone from all reactions (prod-loss) 1/s=mole/mole/s
chemical_gross_production_of_ozone chemical gross production of ozone 1/s=mole/mole/s
chemical_destruction_of_ozone chemical destruction of ozone 1/s=mole/mole/s

Table 3.2: Proposed names for aerosols[edit | edit source]

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

Table 3.3: Other names needed for the intercomparison of Chemical Transport Models[edit | edit source]

CF Standard_name Explanation Canonical unit
flash_frequency_due_to_lightning flash frequency due to lightning 1/s=flashes/s
grid_box_area model grid box area m2
atmosphere_reference_pressure_at_surface atmospheric reference pressure at the surface (around 10^5 Pa) Pa