CF Standard Names - Discussed Atmospheric Chemistry and Aerosol Terms
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UNFINISHED - WORK IN PROGRESS Version update[edit | edit source]
- first version 22 May 2006
- updated 2 June 2006
- updated 2 June 2006
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.
The ideas in these table are based on work in the PRISM project (Peter van Velthoven) see PRISM Standard Name Tables, latest Version, V 1.3
Table 1 provides the name-components and terms to be used in constructing CF names for Atmospheric Chemistry and Aerosol purposes.
Table 2 adds a list of chemical and aerosol species to be used together with the name components given in table 1.
Table 3 provides a list of most often used standard names, constructed solely from name components and species already mentioned in tables 1 and 2.
Table 1: Standard Name-Components to be used to construct full CF standard names[edit | edit source]
Several types of Name-components exist: 1) Compartments; 2) Interface or Origin information; 3) Concentration/mixing ratio/column burden; 4) Fluxes; 5) Optical properties
Missing:
- all forcing variables are still missing
- always provide also in_air = atmosphere (as opposed to ocean,soil) info in names?
- how to distinguish ion - radicals, e.g. NO3 ?
Remarks:
- articles and prepositions should be avoided
- try to use SI units (e.g. not hours but seconds)
- atmosphere_optical_thickness_due_to_X
is defined by CF, however: 1) very long name, 2) does not fit with cloud_optical_depth, 3) is there any opt. depth not in the atmosphere? therefore suggestion of this new name/alias"
| Construction | |||
| Compartement | explanation | unit | further remark |
| atmosphere | atmosphere in all phases | large-scale properties | |
| in_air | in air | locally measurable | |
| in_sea_water | in sea water | ||
| in_troposphere | in troposphere | ||
| in_stratosphere | in stratosphere | ||
| in_cloudwater | within cloud-water or cloud-ice |
| |
| Interface or Origin information | |||
| from_stratosphere | origin in stratosphere | ||
| from_troposphere | origin of tracer in troposphere | ||
| at_surface | at surface level | ||
| at_tropopause | tropopause level | ||
| at_top_of_atmosphere | top of atmosphere level |
| |
| Concentration/mixing ratio/column | unit | ||
| column_mass | vertically integrated mass | kg/m2 | content=column, should not be used any longer, not self-explaining |
| column_number | vertically integrated number | 1/m2 | used for aerosol and gases |
| mole_fraction | for gases | ppv, 1 | |
| mass_concentration | aerosols mass | kg/m3 | |
| number_concentration | aerosols number | 1/m3 |
|
| Fluxes | [species-unit/second] | ||
| dry_deposition_<number/mass/molecule/mole>_flux_due_to_turbulence | turbulent dry deposition | different for aerosols masses/numbers and gases | |
| dry_deposition_<number/mass/molecule/mole>_flux_due_to_sedimentation | sedimentation/gravitational settling | different for aerosols masses/numbers and gases | |
| dry_deposition_<number/mass/molecule/mole>_flux | dry deposition (dry=turdry+seddry) | different for aerosols masses/numbers and gases | |
| emission_<number/mass/molecule/mole>_flux | emission | different for aerosols and gases | |
| chemical_gross_production | chemical production | different for aerosols and gases | |
| chemical_loss | chemical destruction | different for aerosols and gases | |
| chemical_net_production | net chemical production | different for aerosols and gases | |
| gases G | |||
| emission_molecule_flux_of_G_at_surface | molecule/m2/s | ||
| dry_deposition_molecule_flux_of_G_at_surface | 1/m2/s=molecules/m2/s | ||
| wet_deposition_molecule_flux_of_G_at_surface | 1/m2/s=molecules/m2/s | ||
| chemical_gross_production_of_G_in_air | 1/s=ppv/s | ||
| chemical_loss_of_G_in_air | 1/s=ppv/s | ||
| chemical_net_production_of_G_in_air | 1/s=ppv/s |
| |
| aerosols A | |||
| emission_mass_flux_of_A_at_surface | kg/m2/s | ||
| dry_deposition_mass_flux_due_to_turbulence_of_A_at_surface | kg/m2/s | ||
| dry_deposition_mass_flux_due_to_sedimentation_of_A_at_surface | kg/m2/s | ||
| dry_deposition_mass_flux_of_A_at_surface | kg/m2/s | ||
| wet_deposition_mass_flux_of_A_at_surface | kg/m2/s | ||
| chemical_mass_gross_production_of_A_in_air | kg/m3/s | ||
| chemical_mass_loss_of_A_in_air | kg/m3/s | ||
| chemical_mass_net_production_of_A_in_air | kg/m3/s |
| |
| Optical properties / forcing | |||
| optical_depth | aerosol optical depth () | 1 | equivalent to atmosphere_optical_thickness_due_to_X ? |
| forcing see CF names | forcing specified per species | W/m2 | to be used with species name (X_forcing) |
Table 2: Species[edit | edit source]
| Species | |||
| CF species_name | Species | Chemical formula | Remarks |
| gases | |||
| nitrogen_oxide | Nitrogen oxide | NO | |
| hydrogen_peroxide | Hydrogen peroxide | H2O2 | |
| methane | Methane | CH4 | |
| carbon_monoxide | Carbon monoxide | CO | |
| nitric_acid | Nitric acid | HNO3 | |
| methyl_hydrogen_peroxide | Methyl hydrogen peroxide | CH3O2H | |
| formaldehyde | Formaldehyde | CH2O | |
| peroxy_acetyl_nitrate | Peroxy acetyl nitrate (PAN) | CH3C(O)O2NO2 | |
| sulfur_dioxide | Sulfur dioxide | SO2 | |
| dimethyl_sulfide | Dimethyl sulfide (DMS) ** | CH3SCH3 | |
| ammonia | Ammonia | NH3 | |
| ammonium | Ammonium | NH4 | |
| methane_sulfonic_acid | Methane sulfonic acid (MSA) | CH3SO2OH | |
| hydroperoxy_radical | Hydroperoxy radical | HO2 | |
| methyl_peroxy_radical | Methyl peroxy radical | CH3O2 | |
| hydroxyl_radical | Hydroxyl radical (hydroxy radical) | OH | |
| nitrogen_dioxide | Nitrogen dioxide | NO2 | |
| nitrate_radical | Nitrate radical | NO3 | |
| dinitrogen_pentoxide | Dinitrogen pentoxide | N2O5 | |
| nitric_acid | Nitric acid | HNO3 | |
| peroxy_nitric_acid | Peroxy nitric acid | HNO4 | |
| peroxy_acetyl_radical | Peroxy acetyl radical | C2O3 | |
| oxygen_radical_in_1D_state | Oxygen radical in the 1D (excited) state | O(1-D) | |
| ethane | ethane | C2H6 | |
| ethylene | ethylene or ethene | C2H4 | |
| acetylene | acetylene | C2H2 | |
| propane | propane | C3H8 | |
| propene | propene | C3H6 | |
| acetone | acetone | C3H6O | |
| butane | butane | C4H10 | |
| methyl_glyoxal | Methyl glyoxal | CH3C(O)C(O)H | |
| isoprene | Isoprene, 2-methyl-1,3-butadiene | C5H8 | |
| lumped species (modified CBMiv) | Species | ||
| paraffinic_carbon_bonds | paraffinic (alkanic) carbon bonds | ||
| olefinic_carbon_bonds | olefinic (alkenic) carbon bonds | ||
| aldehydes_higher_than_2 | acetaldehyde and higher aldehydes, | ||
| organic_peroxides | lumped higher organic peroxides, ROOH | ||
| organic_nitrates | lumped alkyl nitrates, organic nitrates, RNO3 | ||
| secondary_organic_oxy_radical | the secondary_organic_oxy_radical, ROR | ||
| alkyl_peroxy_radical | alkyl peroxy radicals, XO2 | ||
| intermediate_product_of_isoprene_oxidation | XO2N (intermediate product of isoprene oxidation) | ||
| families | |||
| nox | NOx=NO+NO2 | ||
| hox | HOx=OH+HO2 | ||
| aerosols | extension _aerosol to distinguish from gases (e.g. NO3) radical in gas phase, from NO3 ion in aerosol | ||
| dust_aerosol | dust | ||
| seasalt_aerosol | seasalt | ||
| black carbon_aerosol | black carbon | BC | |
| hydrophilic_black carbon_aerosol | hydrophilic black carbon | BC | |
| hydrophobic_black carbon_aerosol | hydrophobic black carbon | BC | |
| organic_carbon_aerosol_from_terpenes_as_particulate_organic_matter_aerosol | organic carbon aerosol from terpenes | ? | |
| organic_carbon_as_particulate_organic_matter_aerosol | organic carbon | OC | |
| hydrophilic_organic_carbon_as_particulate_organic_matter_aerosol | hydrophilic organic carbon | OC | |
| hydrophobic_organic_carbon_as_particulate_organic_matter_aerosol | hydrophobic organic carbon | OC | |
| sulfate_as_sulfate_aerosol | sulfate | SO4(2-) | what is the cation? |
| nitrate_as_nitrate_aerosol | nitrate | NO3(-) | what is the cation? |
| ammonium_as_ammonium_aerosol | ammonium | NH4(+) | |
| ammonium_sulfate_aerosol | ammonium sulfate | (NH4)2SO4 | do we need sulfate and ammonium sulfate? |
| aerosol | total aerosol | ||
| aerosol water | aerosol water | ||
| conversion_factor_OC_POM_aerosol | conversion factor organic carbon to particulate organic carbon |
Table 3: Proposed names[edit | edit source]
| Proposed Standard names | ||
| CF Standard_name | Canonical unit | |
| gas phase species | ||
| mole_fraction_of_ozone_in_air | volume mixing ratio of ozone, O3 | 1 (ppv) |
| mole_fraction_of_nitrogen_oxide_in_air | volume mixing ratio of nitrogen oxide, NO | 1 (ppv) |
| mole_fraction_of_hydrogen_peroxide_in_air | volume mixing ratio of hydrogen peroxide, H2O2 | 1 (ppv) |
| mole_fraction_of_methane_in_air | volume mixing ratio of methane, CH4 | 1 (ppv) |
| mole_fraction_of_carbon_monoxide_in_air | volume mixing ratio of carbon monoxide, CO | 1 (ppv) |
| mole_fraction_of_nitric_acid_in_air | volume mixing ratio of nitric acid, HNO3 | 1 (ppv) |
| mole_fraction_of_methyl_hydrogen_peroxide_in_air | volume mixing ratio of methyl hydrogen peroxide, CH3O2H | 1 (ppv) |
| mole_fraction_of_formaldehyde_in_air | volume mixing ratio of formaldehyde, CH2O | 1 (ppv) |
| mole_fraction_of_peroxy_acetyl_nitrate_in_air | volume mixing ratio of peroxy acetyl nitrate, PAN, CH3COO2NO2 | 1 (ppv) |
| mole_fraction_of_sulfur_dioxide_in_air | volume mixing ratio of sulfur dioxide, SO2 | 1 (ppv) |
| mole_fraction_of_dimethyl_sulfide_in_air | volume mixing ratio of dimethyl sulfide, DMS, CH3SCH3 | 1 (ppv) |
| mole_fraction_of_ammonia_in_air | volume mixing ratio of ammonia, NH3 | 1 (ppv) |
| mole_fraction_of_ammonium_in_air | volume mixing ratio of ammonium, NH4 | 1 (ppv) |
| mole_fraction_of_methane_sulfonic_acid_in_air | volume mixing ratio of methane sulfonic acid, MSA, CH3SO2OH | 1 (ppv) |
| mole_fraction_of_hydroperoxy_radical_in_air | volume mixing ratio of the hydroperoxy radical, HO2 | 1 (ppv) |
| mole_fraction_of_methyl_peroxy_radical_in_air | volume mixing ratio of the methyl peroxy radical, CH3O2 | 1 (ppv) |
| mole_fraction_of_hydroxyl_radical_in_air | volume mixing ratio of the hydroxy radical, hydroxyl, OH | 1 (ppv) |
| mole_fraction_of_nitrogen_dioxide_in_air | volume mixing ratio of nitrogen dioxide, NO2 | 1 (ppv) |
| mole_fraction_of_nitrate_radical_in_air | volume mixing ratio of the nitrate radical, NO3 | 1 (ppv) |
| mole_fraction_of_dinitrogen_pentoxide_in_air | volume mixing ratio of dinitrogen pentoxide, N2O5 | 1 (ppv) |
| mole_fraction_of_nitric_acid_in_air | volume mixing ratio of nitric acid, HNO3 | 1 (ppv) |
| mole_fraction_of_peroxy_nitric_acid_in_air | volume mixing ratio of peroxy nitric acid, HNO4 | 1 (ppv) |
| mole_fraction_of_peroxy_acetyl_radical_in_air | volume mixing ratio of the peroxy acetyl radical, C2O3 | 1 (ppv) |
| mole_fraction_of_oxygen_radical_in_1D_state_in_air | volume mixing ratio of the oxygen radical in the 1D excited state, O(1D) | 1 (ppv) |
| mole_fraction_of_ethane_in_air | volume mixing ratio of ethane, C2H6 | 1 (ppv) |
| mole_fraction_of_ethene_in_air | volume mixing ratio of ethene, C2H4 (aka ethylene) | 1 (ppv) |
| mole_fraction_of_acetylene_in_air | volume mixing ratio of acetylene, C2H2 | 1 (ppv) |
| mole_fraction_of_propane_in_air | volume mixing ratio of propane, C3H8 | 1 (ppv) |
| mole_fraction_of_propene_in_air | volume mixing ratio of propene, C3H6 | 1 (ppv) |
| mole_fraction_of_acetone_in_air | volume mixing ratio of acetone, C3H6O | 1 (ppv) |
| mole_fraction_of_butane_in_air | volume mixing ratio of butane, C4H10 | 1 (ppv) |
| mole_fraction_of_methyl_glyoxal_in_air | volume mixing ratio of methyl_glyoxal, CH3COCOH | 1 (ppv) |
| mole_fraction_of_isoprene_in_air | volume mixing ratio of isoprene, C5H8 | 1 (ppv) |
| derived: | ||
| mole_fraction_of_ozone_from_stratosphere_in troposphere | volume mixing ratio of ozone from the stratosphere | 1 (ppv) |
| lumped species | ||
| mole_fraction_of_paraffinic_carbon_bonds_in_air | volume mixing ratio of paraffinic carbon bonds | 1 (ppv) |
| mole_fraction_of_olefinic_carbon_bonds_in_air | volume mixing ratio of olefinic carbon bonds | 1 (ppv) |
| mole_fraction_of_aldehydes_higher_than_2_in_air | volume mixing ratio of aldehydes with more than one C atom, RCHO | 1 (ppv) |
| mole_fraction_of_organic_peroxides_in_air | volume mixing ratio of lumped higher organic peroxides, ROOH | 1 (ppv) |
| mole_fraction_of_organic_nitrates_in_air | volume mixing ratio of lumped alkyl nitrates, organic nitrates, RNO3 | 1 (ppv) |
| mole_fraction_of_secondary_organic_oxy_radical_in_air | volume mixing ratio of the secondary_organic_oxy_radical, ROR | 1 (ppv) |
| mole_fraction_of_alkyl_peroxy_radical_in_air | volume mixing ratio of alkyl peroxy radicals, XO2 | 1 (ppv) |
| mole_fraction_of_intermediate_product_of_isoprene_oxidation_in_air | volume mixing ratio of XO2N (intermediate product of isoprene oxidation) | 1 (ppv) |
| Families | ||
| mole_fraction_of_nox_in_air | volume mixing ratio of NOx=NO+NO2 | 1 (ppv) |
| mole_fraction_of_hox_in_air | volume mixing ratio of HOx=OH+HO2 | 1 (ppv) |
| gases: fluxes/productions/emissions | ||
| dry_deposition_flux_due_to_turbulence_of_ozone_at_surface | dry deposition of ozone
" | 1/(m2s)= molecules/(m2s)" | |
| wet_deposition_flux_of_nitric_acid_at_surface | wet deposition of nitric acid, HNO3
" | 1/(m2s)= molecules/(m2s)" | |
| chemical_net_production_of_ozone_atmosphere | net chemical production rate of ozone from all reactions (homogeneous+heterogeneous)
(production-loss) |
1/s=(ppv/s) |
| chemical_gross_production_of_ozone_in_air | gross chemical production rate of ozone in the gas phase | 1/s=(ppv/s) |
| chemical_loss_of_ozone_in_air | chemical loss rate of ozone due to gas phase reactions | 1/s=(ppv/s) |
| chemical_loss_of_sulfur_dioxide_as_sulfur_dioxide_atmosphere | chemical loss rate of SO2 | 1/s (kg/s) |
| aerosols | ||
| mass_concentration_of_sulfate_as_sulfate_aerosol_in_air | sulfate aerosol (SO4) | kg/m3 |
| mass_concentration_of_nitrate_as_nitrate_aerosol_in_air | nitrate aerosol (NO3-) | kg/m3 |
| mass_concentration_of_ammonium_sulfate_aerosol_in_air | ammoniumsulfate aerosol ((NH4)2SO4) | kg/m3 |
| mass_concentration_of_seasalt_aerosol_in_air | seasalt aerosol | kg/m3 |
| mass_concentration_of_organic_carbon_aerosol_from_terpenes_as_particulate_organic_carbon_aerosol_in_air | aerosol from terpenes | kg/m3 |
| mass_concentration_of_organic_carbon_as_particulate_organic_carbon_aerosol_in_air | organic carbon aerosol | kg/m3 |
| mass_concentration_of_hydrophilic_organic_carbon_as_particulate_organic_carbon_aerosol_in_air | hydrophilic organic carbon aerosol | kg/m3 |
| mass_concentration_of_hydrophobic_organic_carbon_as_particulate_organic_carbon_aerosol_in_air | hydrophobic organic carbon aerosol | kg/m3 |
| mass_concentration_of_black_carbon_aerosol_in_air | black carbon aerosol | kg/m3 |
| mass_concentration_of_hydrophilic_black_carbon_aerosol_in_air | hydrophilic black carbon aerosol | kg/m3 |
| mass_concentration_of_hydrophobic_black_carbon_aerosol_in_air | hydrophobic black carbon aerosol | kg/m3 |
| mass_concentration_of_dust_aerosol_in_air | dust | kg/m3 |
| mass_concentration_of_aerosol_water | aerosol water | kg/m3 |
| aerosols: fluxes/productions/emissions | ||
| dry_deposition_flux_of_sulfate_as_sulfate_aerosol_at_surface | dry deposition of sulfate at the surface 2D | kgS/m2/s |
| dry_deposition_flux_of_seasalt_at_surface | dry deposition of seasalt at the surface 2D | kg/m2/s |
| dry_deposition_flux_of_organic_carbon_as_particulate_organic_carbon_aerosol_at_surface | dry deposition of orbanic carbon at the surface 2D | kgC/m2/s |
| dry_deposition_flux_of_black_carbon_aerosol_at_surface | dry deposition of black carbon at the surface 2D | kgC/m2/s |
| dry_deposition_flux_of_dust_aerosol_at_surface | dry deposition of dust at the surface 2D | kg/m2/s |
| wet_deposition_flux_of_sulfate_as_sulfate_aerosol_at_surface | wet deposition of sulfate at the surface 2D | kgS/m2/s |
| wet_deposition_flux_of_seasalt_aerosol_at_surface | wet deposition of seasalt at the surface 2D | kg/m2/s |
| wet_deposition_flux_of_orbanic_carbon_as_particulate_organic_carbon_aerosol_at_surface | wet deposition of orbanic carbon at the surface 2D | kgC/m2/s |
| wet_deposition_flux_of_black_carbon_aerosol_at_surface | wet deposition of black carbon at the surface 2D | kgC/m2/s |
| wet_deposition_flux_of_dust_aerosol_at_surface | wet deposition of dust at the surface 2D | kg/m2/s |
| emission_flux_of_sulfate_aerosol_as_sulfate_at_surface | emission of sulfate at the surface 2D | kgS/m2/s |
| emission_flux_of_seasalt_aerosol_at_surface | emission of seasalt at the surface 2D | kg/m2/s |
| emission_flux_of_organic_carbon_as_particulate_organic_carbon_aerosol_at_surface | emission of organic carbon at the surface 2D | kgC/m2/s |
| emission_flux_of_black_carbon_aerosol_at_surface | emission of black carbon at the surface 2D | kgC/m2/s |
| emission_flux_of_dust_aerosol_at_surface | emission of dust at the surface 2D | kg/m2/s |
| emission_flux_of_sulfate_as_sulfate_aerosol_atmosphere | emission of sulfate in the atmosphere 3D (including chemical production) | kgS/m3/s |
| emission_flux_of_organic_carbon_as_particulate_organic_carbon_aerosol_in _the_atmosphere | emission of orbanic carbon in the atmosphere 3D | kgC/m3/s |
| emission_flux_of_black_carbon_atmosphere | emission of black carbon in the atmosphere 3D | kgC/m3/s |
| chemical_net_production_of_sulfate_as_sulfate_aerosol_atmosphere | chemical production rate of sulfate | 1/s (kg/s) |
| optical properties | ||
| sulfate_aerosol_optical_depth | sulfate aerosol optical depth | 1 |
| black_carbon_aerosol_optical_depth | black carbon aerosol optical depth | 1 |
| organic_carbon_aerosol_optical_depth | organic carbon aerosol optical depth | 1 |
| dust_aerosol_optical_depth | dust aerosol optical depth | 1 |
| seasalt_aerosol_optical_depth | seasalt aerosol optical depth | 1 |
