Difference between revisions of "CF Standard Names - Accepted names for aerosols and chemistry"

From Federation of Earth Science Information Partners
 
(accepted in May 2007)
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Version 4: 02.05.2007<br>
 
Version 4: 02.05.2007<br>
 
Version 5: 08.05.2007<br>
 
Version 5: 08.05.2007<br>
 +
Version 6: 11.07.2007<br>
  
 
This table gives a list of variables that have been almost accepted by the CF community  
 
This table gives a list of variables that have been almost accepted by the CF community  
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|-  
 
|-  
| Height="12,75" | mole_fraction_of_hexachlorbiphenyl_in_air
+
| Height="12,75" | mole_fraction_of_hexachlorobiphenyl_in_air
 
  | 1=mole mole-1
 
  | 1=mole mole-1
 
  |  
 
  |  
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|-  
 
|-  
 
| Height="12,75" | mole_fraction_of_alpha_hexachlorocyclohexane_in_air
 
| Height="12,75" | mole_fraction_of_alpha_hexachlorocyclohexane_in_air
| 1=mole mole-1
 
|
 
 
|-
 
| Height="12,75" | mole_fraction_of_mercury_in_air
 
| 1=mole mole-1
 
|
 
 
|-
 
| Height="12,75" | mole_fraction_of_divalent_mercury_in_air
 
| 1=mole mole-1
 
|
 
 
|-
 
| Height="12,75" | mole_fraction_of_anthropogenic_non_methane_volatile_organic_compounds_in_air
 
| 1=mole mole-1
 
|
 
 
|-
 
| Height="12,75" | mole_fraction_of_biogenic_non_methane_volatile_organic_compounds_in_air
 
| 1=mole mole-1
 
|
 
 
|-
 
| Height="12,75" | mole_fraction_of_dimethyl_sulfide_in_air
 
 
  | 1=mole mole-1
 
  | 1=mole mole-1
 
  |  
 
  |  
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  | 1=kg kg-1
 
  | 1=kg kg-1
 
  |
 
  |
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
|- style="background-color:#CCFFCC;font-weight:bold"
 
| Height="12,75" | tendency of atmospheric mass content due to dry deposition
 
|
 
|
 
 
|-
 
| Height="102" | tendency_of_atmosphere_mass_content_of_all_nitrogen_oxides_expressed_as_nitrogen_due_to_dry_deposition
 
| kg m-2 s-1
 
| NOy is the sum of all simulated oxidized nitrogen species, out of NO, NO2, HNO3, HNO4, NO3aerosol, NO3(radical), N2O5, PAN, other organic nitrates. Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_ozone_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of O3.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_nitric_acid_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of HNO3.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_nitrogen_dioxide_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of NO2.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_ammonia_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of NH3.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_ammonium_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of NH4.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_dimethyl_sulfide_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of DMS.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of SO2.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of SO4.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_black_carbon_dry_aerosol_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of BC.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Particulate organic matter refers to all (secondary and primary) particulate organic matter aerosol, expect for black carbon. Expressed as mass of particulate organic matter.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Secondary particulate organic matter aerosol refers to particulate organic matter formed within the atmosphere from gaseous pre-cursors. Expressed as mass of particulate organic matter.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_primary_particulate_organic_matter_dry_aerosol_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Primary particulate organic matter refers to all particulate organic matter aerosol emitted as particles, expect for black carbon. Expressed as mass of particulate organic matter.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of sea salt.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of dust.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_hexachlorobiphenyl_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of hexachlorobiphenyl (PCB-153).
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_alpha_hexachlorocyclohexane_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of alpha_hexachlorocyclohexane (HCH).
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_elemental_mercury_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of Hg.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_divalent_mercury_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of Hg.
 
 
|-
 
| Height="38,25" | tendency_of_atmosphere_mass_content_of_mercury_dry_aerosol_due_to_dry_deposition
 
| kg m-2 s-1
 
| Dry deposition includes gravitational settling, impact scavenging, and turbulent deposition. Expressed as mass of Hg.
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
|- style="background-color:#CCFFCC;font-weight:bold"
 
| Height="12,75" | tendency of atmospheric mass content due to dry deposition into stomata
 
|
 
|
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_ozone_due_to_dry_deposition_into_stomata
 
| kg m-2 s-1
 
|  Expressed as mass of O3.
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
|- style="background-color:#CCFFCC;font-weight:bold"
 
| Height="12,75" | tendency of atmospheric mass content due to wet deposition
 
|
 
|
 
 
|-
 
| Height="63,75" | tendency_of_atmosphere_mass_content_of_all_nitrogen_oxides_expressed_as_nitrogen_due_to_wet_deposition
 
| kg m-2 s-1
 
| NOy is the sum of all simulated oxidized nitrogen species, out of NO, NO2, HNO3, HNO4, NO3aerosol, NO3(radical), N2O5, PAN, other organic nitrates
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_nitric_acid_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of HNO3.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_ammonia_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of NH3.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_ammonium_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of NH4.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_dimethyl_sulfide_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of DMS.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of SO2.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of SO4.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_black_carbon_dry_aerosol_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of BC.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_due_to_wet_deposition
 
| kg m-2 s-1
 
| Particulate organic matter refers to all (primary and secondary) particulate organic matter aerosol, expect for black carbon. Expressed as mass of particulate organic matter.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_due_to_wet_deposition
 
| kg m-2 s-1
 
| Secondary particulate organic matter aerosol refers to particulate organic matter formed within the atmosphere from gaseous pre-cursors. Expressed as mass of particulate organic matter.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_primary_particulate_organic_matter_dry_aerosol_due_to_wet_deposition
 
| kg m-2 s-1
 
| Primary particulate organic matter refers to all particulate organic matter aerosol emitted as particles, expect for black carbon. Expressed as mass of particulate organic matter.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of sea salt.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of dust.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_hexachlorobiphenyl_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of hexachlorobiphenyl (PCB-153).
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_alpha_hexachlorocyclohexane_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of alpha_hexachlorocyclohexane (HCH).
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_elemental_mercury_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of Hg.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_divalent_mercury_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of Hg.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_mercury_dry_aerosol_due_to_wet_deposition
 
| kg m-2 s-1
 
|  Expressed as mass of Hg.
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
|- style="background-color:#CCFFCC;font-weight:bold"
 
| Height="12,75" | tendency of atmospheric mass content due to emissions   
 
|
 
|
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_carbon_monoxide_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of CO. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_ammonia_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of NH3. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of SO2. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of SO4. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_dimethyl_sulfide_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of DMS. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_black_carbon_dry_aerosol_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of BC. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_due_to_emission
 
| kg m-2 s-1
 
| Particulate organic matter refers to all (secondary and primary) particulate organic matter aerosol, expect for black carbon. Expressed as mass of particulate organic matter. If possible, indicate scale factor to obtain carbon mass.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_secondary_organic_matter_dry_aerosol_due_to_production
 
| kg m-2 s-1
 
| Secondary organic matter aerosol refers to particulate organic matter formed within the atmosphere from gaseous pre-cursors. Expressed as mass of particulate organic matter. If possible, indicate scale factor to obtain carbon mass. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_primary_organic_matter_dry_aerosol_due_to_production
 
| kg m-2 s-1
 
| Primary particulate organic matter refers to all particulate organic matter aerosol emitted as particles, expect for black carbon. Expressed as mass of particulate organic matter. If possible, indicate scale factor to obtain carbon mass. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of sea salt.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of dust.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_hexachlorobiphenyl_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of hexachlorobiphenyl (PCB-153). Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_alpha_hexachlorocyclohexane_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of alpha_hexachlorocyclohexane (HCH). Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_hexachlorobiphenyl_due_to_re_emission
 
| kg m-2 s-1
 
| Expressed as mass of hexachlorobiphenyl (PCB-153). Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_alpha_hexachlorocyclohexane_due_to_re_emission
 
| kg m-2 s-1
 
| Expressed as mass of alpha_hexachlorocyclohexane (HCH)
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_elemental_mercury_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of Hg. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_divalent_mercury_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of Hg. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_mercury_dry_aerosol_due_to_emission
 
| kg m-2 s-1
 
| Expressed as mass of Hg. Integrate 3D emission field vertically to 2d field.
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_nox_expressed_as_nitrogen_due_to_emission
 
| kg m-2 s-1
 
| NOx=NO+NO2
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_non_methane_volatile_organic_compounds_expressed_as_carbon_due_to_emission
 
| kg m-2 s-1
 
|
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_anthropogenic_non_methane_volatile_organic_compounds_expressed_as_carbon_due_to_emission
 
| kg m-2 s-1
 
|
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mass_content_of_biogenic_non_methane_volatile_organic_compounds_expressed_as_carbon_due_to_emission
 
| kg m-2 s-1
 
|
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
 
|- style="background-color:#CCFFCC"
 
|style="font-weight:bold" Height="12,75" | tendencies due to chemical reactions
 
|style="font-weight:bold" |
 
|
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mole_concentration_of_ozone_due_to_chemical_gross_production
 
| mole m-3 s-1
 
|
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_mole_concentration_of_ozone_chemical_gross_destruction
 
| mole m-3 s-1
 
|
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_of_mole_concentration_of_methane_chemical_gross_destruction
 
| mole m-3 s-1
 
|
 
 
|-
 
| Height="12,75" | tendency_of_atmosphere_of_mole_concentration_of_carbon_monoxide_chemical_gross_destruction
 
| mole m-3 s-1
 
|
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
  
  

Revision as of 06:37, July 11, 2007

Return to Start page for Atmospheric Chemistry and Aerosol Names PLEASE DO NOT USE THE NAVIGATION BAR ON THE LEFT HAND SIDE!


Version 1: 20.12.2006
Version 2: 09.01.2007
Version 3: 13.03.2007
Version 4: 02.05.2007
Version 5: 08.05.2007
Version 6: 11.07.2007

This table gives a list of variables that have been almost accepted by the CF community CF mailing list.

Goto the the list of HTAP Proposed Atmospheric Chemistry and Aerosol Names


The standard_names listed on this page are used within model intercomparison within the Task Force on Hemispheric Transport of Air Pollution TF HTAP. However, as the simulations already started before the names have been officially approved by CF, some minor changes will be necessary.


TABLE VERSION 4

CF Standard_name Canonical unit Explanation
volume mixing ratios


mole_fraction_of_ozone_in_air 1=mole mole-1
mole_fraction_of_cabon_monoxide_in_air 1=mole mole-1
mole_fraction_of_nitrogen_monoxide_in_air 1=mole mole-1
mole_fraction_of_nitrogen_dioxide_in_air 1=mole mole-1
mole_fraction_of_nitric_acid_in_air 1=mole mole-1
mole_fraction_of_peroxyacetyl_nitrate_in_air 1=mole mole-1
mole_fraction_of_hydroxyl_radical_in_air 1=mole mole-1
mole_fraction_of_dimethyl_sulfide_in_air 1=mole mole-1
mole_fraction_of_sulfur_dioxide_in_air 1=mole mole-1
mole_fraction_of_hexachlorobiphenyl_in_air 1=mole mole-1
mole_fraction_of_alpha_hexachlorocyclohexane_in_air 1=mole mole-1
mass mixing ratio
mass_fraction_of_pm10_aerosol_in_air 1=kg kg-1 PM10 is an air pollutant consisting of small particles with an aerodynamic diameter less than or equal to a nominal 10 micrometer. The relative humidity and temperature should be given as as scalar coordinate variables using the standard names relative_humidity and air_temperature.
mass_fraction_of_pm2p5_aerosol_in_air 1=kg kg-1 PM2p5 is an air pollutant consisting of small particles with an aerodynamic diameter less than or equal to a nominal 2.5 micrometer. The relative humidity and temperature should be given as as scalar coordinate variables using the standard names relative_humidity and air_temperature.
mass_fraction_of_pm1_aerosol_in_air 1=kg kg-1 PM1 is an air pollutant consisting of small particles with an aerodynamic diameter less than or equal to a nominal 1 micrometer. The relative humidity and temperature should be given as as scalar coordinate variables using the standard names relative_humidity and air_temperature.
mass_fraction_of_nitrate_dry_aerosol_in_air 1=kg kg-1 Expressed as mass of NO3.
mass_fraction_of_sulfate_dry_aerosol_in_air 1=kg kg-1 Expressed as mass of SO4.
mass_fraction_of_ammonium_dry_aerosol_in_air 1=kg kg-1 Expressed as mass of NH3.
mass_fraction_of_black_carbon_dry_aerosol_in_air 1=kg kg-1 Expressed as mass of BC.
mass_fraction_of_particulate_organic_matter_dry_aerosol_in_air 1=kg kg-1 Particulate organic matter refers to all (primary and secondary) particulate organic matter aerosol, expect for black carbon. Expressed as mass of particulate organic matter.
mass_fraction_of_primary_particulate_organic_matter_dry_aerosol_in_air 1=kg kg-1 Primary particulate organic matter refers to all particulate organic matter aerosol emitted as particles, expect for black carbon. Expressed as mass of particulate organic matter.
mass_fraction_of_secondary_particulate_organic_matter_dry_aerosol_in_air 1=kg kg-1 Secondary particulate organic matter aerosol refers to particulate organic matter formed within the atmosphere from gaseous pre-cursors. Expressed as mass of particulate organic matter.
mass_fraction_of_seasalt_dry_aerosol_in_air 1=kg kg-1 Expressed as mass of sea salt.
mass_fraction_of_dust_dry_aerosol_in_air 1=kg kg-1 Expressed as mass of dust.
mass_fraction_of_mercury_dry_aerosol_in_air 1=kg kg-1 Expressed as mass of Hg.
mass_fraction_of_water_in_ambient_aerosol_in_air 1=kg kg-1


others
atmosphere_mass_of_air_per_unit_area kg m-2 vertically integrated mass of air