Difference between revisions of "CF Standard Names - Construction of Atmospheric Chemistry and Aerosol Terms"

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'''THIS PAGE IS CURRENTLY NOT UPDATED, IT CONTAINS OUTDATED INFORMATION, PLEASE GO TO'''
 
* [[CF Standard Names - CF Standard Names - Submitted Atmospheric Chemistry and Aerosol Terms|'''SUBMITTED Atmospheric Chemistry and Aerosol Names''']]
 
* [[CF Standard Names - Accepted names for aerosols and chemistry|''' NEW CF-ACCEPTED Atmospheric Chemistry and Aerosol Names''']]
 
 
Christiane Textor, July 2007
 
----
 
 
----
 
----
  
  
'''This page provides our ideas on how to construct new names for chemistry and aerosols in the future. <br>
+
'''This page provides the basis for the construction of CD standard names for atmospheric chemistry and aerosols.'''
For the standard_names actually proposed to the CF convention see [[CF Standard Names - Proposed Atmospheric Chemistry and Aerosol Terms|'''Proposed Atmospheric Chemistry and Aerosol Names''']]
 
'''
 
  
=UNFINISHED - WORK IN PROGRESS Version update=
+
The concepts described here have been developped since May 2006 for the definition of the 207 standard names that are accepted by the CF community as of october 2008.
* first version 22 May 2006
 
* updated 2  June 2006  Christiane Textor
 
* updated 8  June 2006  Christiane Textor
 
* updated 12 June 2006  Michael Schulz
 
* updated 13 June 2006  Christiane Textor
 
* updated 30 June 2006  Christiane Textor
 
* updated 30 June 2006  Olivier Boucher (Aerosols)
 
* updated 3  July 2006  Christiane Textor (Aerosols and name concepts)
 
  
Comments to [[User:ChristianeTextor|ChristianeTextor]] or directly on our  [http://wiki.esipfed.org/index.php/Talk:CF_Standard_Names_-_Future_Atmospheric_Chemistry_and_Aerosol_Terms discussion page] are highly welcome!
+
The construction of CF standard names for aerosols and chemicals originated in the work of the PRISM project (Peter van Velthoven) see [http://proj.prism.enes.org/Results/Documents/WPs/WP4a/PRISM_standard_name_tables.html PRISM Standard Name Tables], latest Version, V 1.3. They have then been further developped on this wiki page and within the CF-mailing list. Important contributions come from the participating model intercomparison projects listed on the [[Air Quality/Chemistry Naming Conventions|entry page]].
  
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 [[User:ChristianeTextor|ChristianeTextor]].
+
The CF web site provides general [http://cf-pcmdi.llnl.gov/documents/cf-standard-names/guidelines Guidelines for Construction of CF Standard Names]. The CF standard names for aerosols and chemicals are composed by the addition of phrases in certain standard forms and order following these guidelines. The concept is explained below.  
  
The ideas in these table are based on work in the PRISM project (Peter van Velthoven) see [http://proj.prism.enes.org/Results/Documents/WPs/WP4a/PRISM_standard_name_tables.html PRISM Standard Name Tables], latest Version, V 1.3
+
At the moment, many new proposals for standard names for aerosols and chemicals are under discussion at the CF mailing list. Therefore, I try to summarize the current status of work here, in order to highlight the principles and concepts we have devolopped so far.  
  
Table 1 provides the name-components and terms to be used in constructing CF names for Atmospheric Chemistry and Aerosol purposes.
+
A large quantity of new standard names for chemical species might be necessary in the future. This requires the development of a general approach on how to proceed. Three and a half main ideas are discussed at the moment:
  
Tables 2 add a list of chemical and aerosol species to be used together with the name components given in table 1.
+
* Definition of each chemically related standard name explicitly in the CF standard name list, and discuss each of these names individually (current approach).
 +
* Definition of groups of standard names (see below) with the individual chemical species or aerosol type given as a scalar coordinate. Names for individual species would not appear any more as CF standard names. Unphysical names would not occur, but the names would not be as human-understandable any more.
 +
* Definition of groups of standard names (see below). Creation of all possible names from these for new individual chemical species or aerosols using a script, even if some of them might not have a physical meaning - OR - Experts review the possible names and eliminate unphysical before submission to the CF community.
  
Tables 3 provide a list of most often used standard names, constructed solely from name components and species already mentioned
+
The descriptions below could help to converge to the most efficient strategy.  
in tables 1 and 2.
 
  
=Table 1: Components to construct full CF standard names=
+
----
 
 
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:
 
 
 
* forcing variables for aerosols are still missing, see however [http://wiki.esipfed.org/index.php/CF_Standard_Names_-_Radiative_Forcing existing names for radiative forcing]
 
 
 
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"
 
 
 
{|{{prettytable}}
 
|- style="background-color:#FFCC00"
 
|style="font-weight:bold" width="239,25" Height="12,75" | Construction
 
| width="168,75" |
 
| width="222" |
 
| width="190,5" |
 
|- style="background-color:#FF99CC;font-weight:bold"
 
 
 
| Height="12,75" | Large Scale compartement
 
| explanation
 
| unit
 
| further remark
 
 
 
|-
 
| Height="12,75" | atmosphere
 
| atmosphere, in all phases, if no phase (e.g. in air, in clouds) is given
 
|
 
| large-scale property, prefix
 
 
 
|-
 
| Height="12,75" | below_chemical_tropopause
 
| from surface to chemical tropopause (150 ppb O3 isosurfac), in all phases, if no phase (e.g. in air, in clouds) is given
 
|
 
| large-scale property but very long, so not prefix
 
 
 
| Height="12,75" |
 
|
 
|
 
|
 
 
 
|- style="background-color:#FF99CC;font-weight:bold"
 
| Height="12,75" | Medium
 
| explanation
 
| unit
 
| further remark
 
 
 
|-
 
| Height="12,75" | in_air
 
| in humid air
 
|
 
| locally measurable
 
 
 
|-
 
| Height="12,75" | in_cloudy_air
 
| in cloudy air
 
|
 
| locally measurable
 
 
 
|-
 
| Height="12,75" | in_cloud_water
 
| within cloud-water or cloud-ice
 
|
 
| locally measurable
 
 
 
|-
 
| Height="12,75" | in_rain_water
 
| within precipitating rain water
 
|
 
| locally measurable
 
 
 
|-
 
| Height="12,75" | in_sea_water
 
| in sea water
 
|
 
| locally measurable
 
 
 
|-
 
| Height="12,75" | in_stomata
 
| in stomata of leaves
 
|
 
| locally measurable
 
 
 
|- style="background-color:#FF99CC"
 
|style="font-weight:bold" Height="12,75" | Horizontal position (surface): Interface or Origin information
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" | from_stratosphere
 
| origin in stratosphere
 
|
 
|
 
 
 
|-
 
| Height="12,75" | from_troposphere
 
| origin of tracer in troposphere
 
|
 
|
 
 
 
|-
 
| Height="12,75" | surface
 
| at surface level, prefix
 
|
 
|
 
 
 
|-
 
| Height="12,75" | xx_tropopause
 
| tropopause level (xx: chemical (150 ppv O3 isosurface), more definitions??)
 
|
 
|
 
 
 
|-
 
| Height="12,75" | toa
 
| top of atmosphere level, prefix
 
|
 
|
 
 
 
|- style="background-color:#FF99CC"
 
|style="font-weight:bold" Height="12,75" | Concentration/mixing ratio/column
 
|
 
|style="font-weight:bold" | unit
 
|
 
 
 
|-
 
| Height="25,5" |mass_content 
 
| vertically integrated mass
 
| kg m-2
 
|
 
 
 
|-
 
| Height="25,5" |mole_content 
 
| vertically integrated moles
 
| mole m-2
 
|
 
 
 
|-
 
| Height="25,5" |number_content 
 
| vertically integrated number
 
| 1 m-2
 
|
 
|-
 
| Height="12,75" | mole_fraction
 
| for gases
 
| mole mole-1, 1
 
|
 
 
 
|-
 
| Height="12,75" | mass_fraction
 
| for gases and aerosols
 
| kg kg-1, 1
 
|
 
 
 
|-
 
| Height="12,75" | mass_concentration
 
| aerosols mass
 
| kg m-3
 
|
 
 
 
|-
 
| Height="12,75" | number_concentration
 
| aerosols number
 
| 1 m-3
 
|
 
 
 
 
 
|- style="background-color:#FF99CC;font-weight:bold"
 
| Height="12,75" | Fluxes
 
|
 
| [species-unit second-1]
 
|
 
 
 
|-
 
| Height="25,5" | dry_deposition_mass_flux_due_to_turbulence
 
| turbulent dry deposition
 
| kg m-2 s-1
 
|
 
 
 
|-
 
| Height="25,5" | dry_deposition_mole_flux_due_to_turbulence
 
| turbulent dry deposition
 
| mole m-2 s-1
 
|
 
 
 
|-
 
| Height="25,5" | dry_deposition_number_flux_due_to_turbulence
 
| turbulent dry deposition
 
| 1 m-2 s-1
 
|
 
 
 
|-
 
| Height="25,5" | dry_deposition_mass_flux_due_to_sedimentation
 
| sedimentation/gravitational settling
 
| kg m-2 s-1
 
|
 
 
 
|-
 
| Height="25,5" | dry_deposition_mole_flux_due_to_sedimentation
 
| sedimentation/gravitational settling
 
| mole m-2 s-1
 
|
 
 
 
|-
 
| Height="25,5" | dry_deposition_number_flux_due_to_sedimentation
 
| sedimentation/gravitational settling
 
| 1 m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | dry_deposition_mass_flux
 
| dry deposition due to turbulence and sedimentation
 
| kg m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | dry_deposition_mole_flux
 
| dry deposition due to turbulence and sedimentation
 
| mole m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | dry_deposition_number_flux
 
| dry deposition due to turbulence and sedimentation
 
| 1 m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | emission_mass_flux
 
| emission
 
| kg m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | emission_mole_flux
 
| emission
 
| mole m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | emission_number_flux
 
| emission
 
| 1 m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_gross_X_production_rate
 
| chemical production rate, X can be mole, mole fraction, mass, etc.
 
| [unit of X] s-1 
 
|
 
 
 
|-
 
| Height="12,75" | chemical_net_X_production_rate
 
| net chemical production rate of X, X can be mole, mole fraction, mass, etc.
 
| [unit of X] s-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_X_destruction_rate
 
| chemical destruction rate of X, X can be mole, mole fraction, mass, etc.
 
| [unit of X] s-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_gross_X_production
 
| chemical production, X can be mole, mole fraction, mass, etc., time period of production provided by cell method
 
| [unit of X] 
 
|
 
 
 
|-
 
| Height="12,75" | chemical_net_X_production
 
| net chemical production of X, X can be mole, mole fraction, mass, etc., time period of production provided by cell method
 
| [unit of X]
 
|
 
 
 
|-
 
| Height="12,75" | chemical_X_destruction
 
| chemical destruction of X, X can be mole, mole fraction, mass, etc., time period of production provided by cell method
 
| [unit of X]
 
|
 
 
 
|-
 
|style="font-weight:bold" Height="12,75" | gases G
 
|
 
|
 
|
 
|-
 
| Height="12,75" | chemical_gross_mole_production
 
| chemical production
 
| mole m-3
 
|
 
 
 
|-
 
| Height="12,75" | chemical_net_mole_production
 
| net chemical production
 
| mole m-3
 
|
 
 
 
|-
 
| Height="12,75" | chemical_mole_destruction
 
| chemical destruction
 
| mole m-3
 
|
 
 
 
|-
 
| Height="12,75" | emission_mole_flux_of_G
 
|
 
| mole m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | surface_dry_deposition_mole_flux_of_G
 
|
 
| mole m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | surface_wet_deposition_mole_flux_of_G
 
|
 
| mole m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_gross_mole_fraction_production_rate_of_G_in_air
 
|
 
| s-1=mole mole-1 s-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_net_mole_fraction_production_rate_of_G_in_air
 
|
 
| s-1=mole mole-1 s-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_mole_fraction_destruction_rate_of_G_in_air?
 
|
 
| s-1=mole mole-1 s-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_gross_mole_fraction_production_G_in_air
 
|
 
| s-1=mole mole-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_net_mole_fraction_production_of_G_in_air
 
|
 
| s-1=mole mole-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_mole_fraction_destruction_of_G_in_air?
 
|
 
| s-1=mole mole-1
 
|
 
 
 
|-
 
|style="font-weight:bold" Height="12,75" | aerosols A
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" | surface_emission_mass_flux_of_A
 
|
 
| kg m-2 s-1
 
|
 
 
 
|-
 
| Height="25,5" | surface_dry_deposition_mass_flux_due_to_turbulence_of_A
 
|style="font-weight:bold" |
 
| kg m-2 s-1
 
|
 
 
 
|-
 
| Height="25,5" | surface_dry_deposition_mass_flux_due_to_sedimentation_of_A
 
|style="font-weight:bold" |
 
| kg m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | surface_dry_deposition_mass_flux_of_A
 
|
 
| kg m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" | surface_wet_deposition_mass_flux_of_A
 
|
 
| kg m-2 s-1
 
|
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" | chemical_gross_mass_concentration_production_rate_of_A_in_air
 
|
 
| kg m-3 s-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_net_mass_concentration_production_rate_of_A_in_air
 
|
 
| kg m-3 s-1
 
|
 
 
 
|-
 
| Height="12,75" | chemical_mass_concentration_destruction_rate_of_A_in_air
 
|
 
| kg m-3 s-1
 
|
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" | chemical_gross_mass_concentration_production_of_A_in_air
 
|
 
| kg m-3
 
|
 
 
 
|-
 
| Height="12,75" | chemical_net_mass_concentration_production_of_A_in_air
 
|
 
| kg m-3
 
|
 
 
 
|-
 
| Height="12,75" | chemical_mass_concentration_destruction_of_A_in_air
 
|
 
| kg m-3
 
|
 
 
 
|- style="background-color:#FF99CC;font-weight:bold"
 
| Height="12,75" | Velocities
 
|
 
|
 
|
 
 
 
|-
 
| Height="25,5" | dry_deposition_velocity_due_to_turbulence
 
| turbulent dry deposition velocity
 
| m s-1
 
|
 
 
 
|- style="background-color:#FF99CC;font-weight:bold"
 
| Height="12,75" | Optical properties / forcing
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" | optical_depth_at_XX_nm
 
| aerosol optical depth at wavelength XX nm
 
| 1
 
| equivalent to atmosphere_optical_thickness_due_to_X ?
 
 
 
|-
 
| Height="12,75" | [[CF Standard Names - Radiative Forcing|Existing terms for Radiative Forcing]]
 
| forcing specified per species 
 
| W m-2
 
| to be used with species name (X_forcing)
 
 
 
|- style="background-color:#FF99CC;font-weight:bold"
 
| Height="12,75" | Others
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" | flash_frequency_due_to_lightning
 
| flash frequency due to lightning
 
| s-1=flashes s-1
 
|
 
 
 
|-
 
| Height="12,75" | grid_box_area
 
| model grid box area
 
| m2
 
 
 
|}
 
 
 
=Table 2: Species names=
 
==Table 2.1: Chemicals==
 
{|{{prettytable}}
 
|- style="background-color:#FFCC00"
 
|style="font-weight:bold" width="241,5" Height="12,75" | Gas Species
 
|style="font-weight:bold" width="218,25" |
 
| width="117,75" |
 
| width="269,25" |
 
 
 
|- style="font-weight:bold"
 
| Height="12,75" | CF species_name
 
| Species
 
| Chemical formula
 
| Remarks
 
 
 
|- style="background-color:#FF99CC"
 
|style="font-weight:bold" Height="12,75" | gases
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" | nitrogen_monoxide
 
| Nitrogen monoxide
 
| NO
 
|
 
 
 
|-
 
| Height="12,75" | hydrogen_peroxide
 
| Hydrogen peroxide
 
| H2O2
 
|
 
 
 
|-
 
| Height="12,75" | methane
 
| Methane
 
| CH4
 
|
 
 
 
|-
 
| Height="12,75" | carbon_monoxide
 
| Carbon monoxide
 
| CO
 
|
 
 
 
|-
 
| Height="12,75" | nitric_acid
 
| Nitric acid
 
| HNO3
 
|
 
 
 
|-
 
| Height="12,75" | methyl_hydrogen_peroxide
 
| Methyl hydrogen peroxide
 
| CH3O2H
 
|
 
 
 
|-
 
| Height="12,75" | formaldehyde
 
| Formaldehyde
 
| CH2O
 
|
 
 
 
|-
 
| Height="12,75" | peroxyacetyl_nitrate
 
| Peroxyacetyl nitrate (PAN)
 
| CH3C(O)O2NO2
 
|
 
 
 
|-
 
| Height="12,75" | sulfur_dioxide
 
| Sulfur dioxide
 
| SO2
 
|
 
 
 
|-
 
| Height="12,75" | dimethyl_sulfide
 
| Dimethyl sulfide (DMS) **
 
| CH3SCH3
 
|
 
 
 
|-
 
| Height="12,75" | ammonia
 
| Ammonia
 
| NH3
 
|
 
 
 
|-
 
| Height="12,75" | ammonium
 
| Ammonium
 
| NH4
 
|
 
 
 
|-
 
| Height="12,75" | methane_sulfonic_acid
 
| Methane sulfonic acid (MSA)
 
| CH3SO2OH
 
|
 
 
 
|-
 
| Height="12,75" | hydroperoxy_radical
 
| Hydroperoxy radical
 
| HO2
 
|
 
 
 
|-
 
| Height="12,75" | methyl_peroxy_radical
 
| Methyl peroxy radical
 
| CH3O2
 
|
 
 
 
|-
 
| Height="12,75" | hydroxyl_radical
 
| Hydroxyl radical (hydroxy radical)
 
| OH
 
|
 
 
 
|-
 
| Height="12,75" | nitrogen_dioxide
 
| Nitrogen dioxide
 
| NO2
 
|
 
 
 
|-
 
| Height="12,75" | nitrate_radical
 
| Nitrate radical
 
| NO3
 
|
 
 
 
|-
 
| Height="12,75" | dinitrogen_pentoxide
 
| Dinitrogen pentoxide
 
| N2O5
 
|
 
 
 
|-
 
| Height="12,75" | noy
 
| NOy
 
| NOy
 
| 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" | nitric_acid
 
| Nitric acid
 
| HNO3
 
|
 
 
 
|-
 
| Height="12,75" | peroxy_nitric_acid
 
| Peroxy nitric acid
 
| HNO4
 
|
 
 
 
|-
 
| Height="12,75" | peroxyacetyl_radical
 
| Peroxy acetyl radical
 
| C2O3
 
|
 
 
 
|-
 
| Height="12,75" | oxygen_radical_in_1D_state
 
| Oxygen radical in the 1D (excited) state
 
| O(1-D)
 
|
 
 
 
|-
 
| Height="12,75" | ethane
 
| ethane
 
| C2H6
 
|
 
 
 
|-
 
| Height="12,75" | ethylene
 
| ethylene or ethene
 
| C2H4
 
|
 
 
 
|-
 
| Height="12,75" | acetylene
 
| acetylene
 
| C2H2
 
|
 
 
 
|-
 
| Height="12,75" | propane
 
| propane
 
| C3H8
 
|
 
 
 
|-
 
| Height="12,75" | propene
 
| propene
 
| C3H6
 
|
 
 
 
|-
 
| Height="12,75" | acetone
 
| acetone
 
| C3H6O
 
|
 
 
 
|-
 
| Height="12,75" | butane
 
| butane
 
| C4H10
 
|
 
 
 
|-
 
| Height="12,75" | methyl_glyoxal
 
| Methyl glyoxal
 
| CH3C(O)C(O)H
 
|
 
 
 
|-
 
| Height="12,75" | isoprene
 
| Isoprene, 2-methyl-1,3-butadiene
 
| C5H8
 
|
 
 
 
|-
 
| Height="12,75" | lead
 
| lead
 
| Pb
 
|
 
 
 
|-
 
| Height="12,75" | radon
 
| radon
 
| Rn
 
|
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
|
 
 
 
|- style="background-color:#FF99CC"
 
|style="font-weight:bold" Height="12,75" | lumped species (modified CBMiv)
 
|style="font-weight:bold" | Species
 
|style="font-weight:bold" |
 
|
 
 
 
|-
 
| Height="12,75" | paraffinic_carbon_bonds
 
| paraffinic (alkanic) carbon bonds
 
|
 
|
 
 
 
|-
 
| Height="12,75" | olefinic_carbon_bonds
 
| olefinic (alkenic) carbon bonds
 
|
 
|
 
 
 
|-
 
| Height="12,75"  | aldehydes_higher_than_2
 
|  | acetaldehyde and higher aldehydes,
 
|
 
|
 
 
 
|-
 
| Height="12,75" | organic_peroxides
 
|  lumped higher organic peroxides, ROOH
 
|
 
|
 
 
 
|-
 
| Height="12,75" | organic_nitrates
 
|  lumped alkyl nitrates, organic nitrates, RNO3
 
|
 
|
 
 
 
|-
 
| Height="12,75" | secondary_organic_oxy_radical
 
|  the secondary_organic_oxy_radical, ROR
 
|
 
|
 
 
 
|-
 
| Height="12,75" | alkyl_peroxy_radical
 
|  alkyl peroxy radicals, XO2
 
|
 
|
 
 
 
|-
 
| Height="25,5" | intermediate_product_of_isoprene_oxidation
 
|  XO2N (intermediate product of isoprene oxidation)
 
|
 
|
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
|
 
 
 
|- style="background-color:#FF99CC"
 
|style="font-weight:bold" Height="12,75" | families
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" | nox
 
|  NOx=NO+NO2
 
|
 
|
 
 
 
|-
 
| Height="12,75" | hox
 
|  HOx=OH+HO2
 
|
 
|
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
|
 
|}
 
 
 
==Table 2.2: Aerosols==
 
{|{{prettytable}}
 
|- style="background-color:#FFCC00"
 
|style="font-weight:bold" width="241,5" Height="12,75" | Aerosol Species
 
|style="font-weight:bold" width="218,25" |
 
| width="117,75" |
 
| width="269,25" |
 
 
 
|- style="font-weight:bold"
 
| Height="12,75" | CF species_name
 
| Species
 
| Chemical formula
 
| Remarks
 
 
 
|- style="background-color:#FF99CC"
 
|style="font-weight:bold" Height="12,75" | aerosols
 
|
 
|
 
|
 
 
 
|-
 
| Height="12,75" | dust_dry_aerosol
 
| dry aerosol dust
 
|
 
|
 
 
 
|-
 
| Height="12,75" | seasalt_dry_aerosol
 
| dry aerosol seasalt
 
|
 
|
 
 
 
|-
 
| Height="12,75" | black_carbon_dry_aerosol
 
| dry aerosol black carbon
 
| BC
 
|
 
 
 
|-
 
| Height="12,75" | hydrophilic_black_carbon_dry_aerosol
 
| dry aerosol hydrophilic black carbon
 
| BC
 
|
 
 
 
|-
 
| Height="12,75" | hydrophobic_black_carbon_dry_aerosol
 
| dry aerosol hydrophobic black carbon
 
| BC
 
|
 
 
 
|-
 
| Height="25,5" | organic_carbon_aerosol_from_terpenes_as_particulate_organic_matter_dry_aerosol
 
| dry aerosol organic carbon aerosol from terpenes
 
| ?
 
|
 
 
 
|-
 
| Height="25,5" | organic_carbon_as_particulate_organic_matter_dry_aerosol
 
| dry aerosol organic carbon
 
| OM (organic matter)
 
|
 
|-
 
| Height="25,5" | hydrophilic_organic_carbon_as_particulate_organic_matter_dry_aerosol
 
| dry aerosol hydrophilic organic carbon
 
| OM (organic matter)
 
 
 
 
|-
 
| Height="25,5" | hydrophobic_organic_carbon_as_particulate_organic_matter_dry_aerosol
 
| dry aerosol hydrophobic organic carbon
 
| OM (organic matter)
 
|
 
 
 
|-
 
| Height="12,75" | sulfate_as_sulfate_dry_aerosol
 
| dry aerosol sulfate
 
| SO4
 
|
 
 
 
|-
 
| Height="12,75" | nitrate_as_nitrate_dry_aerosol
 
| dry aerosol nitrate
 
| NO3
 
|
 
 
 
|-
 
| Height="12,75" | ammonium_as_ammonium_dry_aerosol
 
| dry aerosol ammonium
 
| NH4
 
|
 
 
 
|-
 
| Height="12,75" | ammonium_sulfate_dry_aerosol
 
| dry aerosol ammonium sulfate
 
| (NH4)2SO4
 
|
 
 
 
|-
 
| Height="12,75" | dry_aerosol
 
| dry aerosol total aerosol
 
|
 
|
 
 
 
|-
 
| Height="12,75" | aerosol_water
 
| water (H2O) associated with aerosol 
 
|
 
|
 
 
 
|-
 
| Height="25,5" | conversion_factor_OC_POM_aerosol
 
| conversion factor organic carbon to particulate organic carbon
 
|
 
|
 
 
 
|-
 
| Height="12,75" | pm10_aerosol
 
| particles of ambient aerodynamic diameter of 10um or less
 
|
 
|
 
 
 
|-
 
| Height="12,75" | pm2p5_aerosol
 
| particles of ambient aerodynamic diameter of 2.5um or less
 
|
 
|
 
 
 
|-
 
| Height="12,75" | pm1_aerosol
 
| particles of ambient aerodynamic diameter of 1um or less
 
|
 
|
 
 
|-
 
| Height="12,75" | pm0p1_aerosol
 
| particles of ambient aerodynamic diameter of 0.1um or less
 
|
 
|
 
 
 
|-
 
| Height="12,75" | nucleation_mode_aerosol
 
| particles of ambient aerodynamic diamater of 0.01um or less
 
|
 
|
 
 
 
|-
 
| Height="12,75" | aitken_mode_aerosol
 
| particles of ambient aerodynamic diamater between 0.01 and 0.1um
 
|
 
|
 
 
 
  |-
 
| Height="12,75" | accumulation_mode_aerosol
 
| particles of ambient aerodynamic diamater between 0.1 and 1um
 
|
 
|
 
 
 
  |-
 
| Height="12,75" | coarse_aerosol 
 
| particles of ambient aerodynamic diamater between 2.5 and 10um
 
|
 
|
 
 
 
|}
 
 
 
=Table 3: Future names=
 
==Table 3.1: Future names for chemicals==
 
{|{{prettytable}}
 
|- style="background-color:#FFCC00"
 
|style="font-weight:bold" width="321" Height="12,75" | Proposed Standard names
 
| width="217,5" |
 
| width="78" |
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
 
|- style="font-weight:bold"
 
| Height="12,75" | CF Standard_name
 
|
 
| Canonical unit
 
 
 
|- style="background-color:#FF99CC"
 
|style="font-weight:bold" Height="12,75" | gas phase species
 
|
 
|style="font-weight:bold" |
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_methane_in_air
 
| volume mixing ratio of methane, CH4
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_methyl_hydrogen_peroxide_in_air
 
| volume mixing ratio of methyl hydrogen peroxide, CH3O2H
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_dimethyl_sulfide_in_air
 
| volume mixing ratio of dimethyl sulfide, DMS, CH3SCH3
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_ammonia_in_air
 
| volume mixing ratio of ammonia, NH3
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_ammonium_in_air
 
| volume mixing ratio of ammonium, NH4
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_methane_sulfonic_acid_in_air
 
| volume mixing ratio of methane sulfonic acid, MSA, CH3SO2OH
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_methyl_peroxy_radical_in_air
 
| volume mixing ratio of the methyl peroxy radical, CH3O2
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_nitrate_radical_in_air
 
| volume mixing ratio of the nitrate radical, NO3
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_dinitrogen_pentoxide_in_air
 
| volume mixing ratio of dinitrogen pentoxide, N2O5
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_peroxy_nitric_acid_in_air
 
| volume mixing ratio of peroxy nitric acid, HNO4
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_peroxy_acetyl_radical_in_air
 
| volume mixing ratio of the peroxy acetyl radical, C2O3
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | 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 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_ethane_in_air
 
| volume mixing ratio of ethane, C2H6
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_ethene_in_air
 
| volume mixing ratio of ethene, C2H4 (aka ethylene)
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_acetylene_in_air
 
| volume mixing ratio of acetylene, C2H2
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_propane_in_air
 
| volume mixing ratio of propane, C3H8
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_propene_in_air
 
| volume mixing ratio of propene, C3H6
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_acetone_in_air
 
| volume mixing ratio of acetone, C3H6O
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_butane_in_air
 
| volume mixing ratio of butane, C4H10
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_methyl_glyoxal_in_air
 
| volume mixing ratio of methyl_glyoxal, CH3COCOH
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_isoprene_in_air
 
| volume mixing ratio of isoprene, C5H8
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
 
|-
 
|style="font-weight:bold" Height="12,75" | derived:
 
|
 
|
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
 
|-
 
|style="font-weight:bold" Height="12,75" | lumped species
 
|
 
|
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_paraffinic_carbon_bonds_in_air
 
| volume mixing ratio of paraffinic carbon bonds
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_olefinic_carbon_bonds_in_air
 
| volume mixing ratio of olefinic carbon bonds
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_aldehydes_higher_than_2_in_air
 
| volume mixing ratio of aldehydes with more than one C atom, RCHO
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_organic_peroxides_in_air
 
| volume mixing ratio of lumped higher organic peroxides, ROOH
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_organic_nitrates_in_air
 
| volume mixing ratio of lumped alkyl nitrates, organic nitrates, RNO3
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_secondary_organic_oxy_radical_in_air
 
| volume mixing ratio of the secondary_organic_oxy_radical, ROR
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_alkyl_peroxy_radical_in_air
 
| volume mixing ratio of alkyl peroxy radicals, XO2
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="25,5" | mole_fraction_of_intermediate_product_of_isoprene_oxidation_in_air
 
| volume mixing ratio of XO2N (intermediate product of isoprene oxidation)
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
 
|-
 
|style="font-weight:bold" Height="12,75" | Families
 
|
 
|
 
 
 
|-
 
| Height="12,75" | mole_fraction_of_hox_in_air
 
| volume mixing ratio of HOx=OH+HO2
 
| 1 (mole mole-1)
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
 
|- style="background-color:#FF99CC;font-weight:bold"
 
| Height="12,75" | gases: fluxes/productions/emissions
 
|
 
|
 
 
 
|-
 
| Height="12,75" | chemical_mole_fraction_destruction_rate_of_sulfur_dioxide
 
| chemical destruction rate of SO2
 
| s-1=(mole mole-1 s-1)
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
|}
 
 
 
==Table 3.2: Future names for aerosols==
 
{|{{prettytable}}|-
 
|- style="background-color:#FFCC00"
 
|style="font-weight:bold" width="321" Height="12,75" | Proposed Standard names
 
| width="217,5" |
 
| width="78" |
 
 
 
|- style="background-color:#FF99CC"
 
|style="font-weight:bold" Height="12,75" | aerosols
 
|
 
|
 
 
 
|-
 
| Height="12,75" | mass_concentration_of_sulfate_as_sulfate_dry_aerosol_in_air
 
| dry aerosol sulfate aerosol (SO4)
 
| kg m-3
 
 
 
|-
 
| Height="12,75" | mass_concentration_of_nitrate_as_nitrate_dry_aerosol_in_air
 
| dry aerosol nitrate aerosol (NO3-)
 
| kg m-3
 
 
 
|-
 
| Height="12,75" | mass_concentration_of_ammonium_sulfate_dry_aerosol_in_air
 
| dry ammoniumsulfate aerosol ((NH4)2SO4)
 
| kg m-3
 
 
 
|-
 
| Height="12,75" | mass_concentration_of_seasalt_dry_aerosol_in_air
 
| dry seasalt aerosol
 
| kg m-3
 
 
 
|-
 
| Height="25,5" | mass_concentration_of_organic_carbon_from_terpenes_as_particulate_organic_carbon_aerosol_dry_aerosol_in_air
 
| dry aerosol from terpenes
 
| kg m-3
 
 
 
|-
 
| Height="25,5" | mass_concentration_of_organic_carbon_as_particulate_organic_carbon_dry_aerosol_in_air
 
| dry organic carbon aerosol
 
| kg m-3
 
 
 
|-
 
| Height="25,5" | mass_concentration_of_hydrophilic_organic_carbon_as_particulate_organic_carbon_dry_aerosol_in_air
 
| dry hydrophilic organic carbon aerosol
 
| kg m-3
 
 
 
|-
 
| Height="25,5" | mass_concentration_of_hydrophobic_organic_carbon_as_particulate_organic_carbon_dry_aerosol_in_air
 
| dry hydrophobic organic carbon aerosol
 
| kg m-3
 
 
 
|-
 
| Height="12,75" | mass_concentration_of_black_carbon_dry_aerosol_in_air
 
| dry black carbon aerosol
 
| kg m-3
 
 
 
|-
 
| Height="12,75" | mass_concentration_of_hydrophilic_black_carbon_dry_aerosol_in_air
 
| dry hydrophilic black carbon aerosol
 
| kg m-3
 
 
 
|-
 
| Height="12,75" | mass_concentration_of_hydrophobic_black_carbon_dry_aerosol_in_air
 
| dry hydrophobic black carbon aerosol
 
| kg m-3
 
 
 
|-
 
| Height="12,75" | mass_concentration_of_dust_dry_aerosol_in_air
 
| dry dust aerosol
 
| kg m-3
 
 
 
|-
 
| Height="12,75" | mass_concentration_of_aerosol_water
 
| aerosol water
 
| kg m-3
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
 
 
|- style="background-color:#FF99CC;font-weight:bold"
 
| Height="12,75" | aerosols: fluxes/productions/emissions
 
|
 
|
 
 
 
|-
 
| Height="12,75" | surface_dry_deposition_mass_flux_of_sulfate_as_sulfate_dry_aerosol
 
| dry deposition of dry sulfate at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_dry_deposition_mass_flux_of_seasalt_dry_aerosol
 
| dry deposition of dry seasalt at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="25,5" | surface_dry_deposition_mass_flux_of_organic_carbon_as_particulate_organic_carbon_dry_aerosol
 
| dry deposition of dry organic carbon at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_dry_deposition_mass_flux_of_black_carbon_dry_aerosol
 
| dry deposition of dry black carbon at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_dry_deposition_mass_flux_of_dust_dry_aerosol
 
| dry deposition of dry dust at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_wet_deposition_mass_flux_of_sulfate_as_sulfate_dry_aerosol
 
| wet deposition of dry sulfate at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_wet_deposition_mass_flux_of_seasalt_dry_aerosol
 
| wet deposition of dry seasalt at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="25,5" | surface_wet_deposition_mass_flux_of_organic_carbon_as_particulate_organic_carbon_dry_aerosol
 
| wet deposition of dry organic carbon at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_wet_deposition_mass_flux_of_black_carbon_dry_aerosol
 
| wet deposition of dry black carbon at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_wet_deposition_mass_flux_of_dust_dry_aerosol
 
| wet deposition of dry dust at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_emission_mass_flux_of_sulfate_as_sulfate_dry_aerosol
 
| emission of dry sulfate at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_emission_mass_flux_of_seasalt_dry_aerosol
 
| emission of dry seasalt at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="25,5" | surface_emission_mass_flux_of_organic_carbon_as_particulate_organic_carbon_dry_aerosol
 
| emission of dry organic carbon at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_emission_mass_flux_of_black_carbon_dry_aerosol
 
| emission of dry black carbon at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="12,75" | surface_emission_mass_flux_of_dust_dry_aerosol
 
| emission of dry dust at the surface 2D
 
| kg m-2 s-1
 
 
 
|-
 
| Height="25,5" | atmosphere_emission_mass_flux_of_sulfate_as_sulfate_dry_aerosol
 
| emission of dry sulfate in the atmosphere 3D (including chemical production)
 
| kg m-3 s-1
 
 
 
|-
 
| Height="25,5" | atmosphere_emission_mass_flux_of_organic_carbon_as_particulate_organic_carbon_dry_aerosol
 
| emission of dry organic carbon in the atmosphere 3D
 
| kg m-3 s-1
 
 
 
|-
 
| Height="12,75" | atmosphere_emission_mass_flux_of_black_carbon_dry_aerosol
 
| emission of dry black carbon in the atmosphere 3D
 
| kg m-3 s-1
 
 
 
|-
 
| Height="12,75" |
 
|
 
|
 
  
|-
+
=LIST OF CHEMICAL SPECIES AND AEROSOLS=
| Height="12,75" |
+
The list of standard names for chemical and aerosol accepted by October 29 2008 can be found [[LIST OF CHEMICAL SPECIES AND AEROSOLS|here]].
|
 
|  
 
  
|-
+
=COMPOSING THE STANDARD NAMES FOR AEROSOLS AND CHEMICALS=
| Height="12,75" | atmosphere_chemical_net_mass_concentration_production_rate_of_sulfate_as_sulfate_dry_aerosol
+
<p>Certain <strong>phrases and forms</strong> ure used:
| chemical production rate of dry sulfate
+
*chemical species and aerosols: describe the species
| kg m-3 s-1
+
*generic names: describe the property of the species, and determinethe unit of the variable
 +
*processes: are used in flux variables: tendency_of_.... due_to_&lt;process&gt and give the change of the species' property du to a certain process
 +
*medium: indicates the local medium or layer within which the variable applies
  
|-  valign="bottom"
+
The combination of these phrases and names results in <strong>groups</strong> of Standard_Names that are given below. However, not all combinations are possible or reasonable.  
| Height="12,75" |
 
  |
 
|
 
  
|-
+
There are some odd names that do not fit in the general concepts. [[Modfication of existing CF standard names|Modifications]] are suggested for these names in order to allow for the automatic creation of individual names from groups of CF standard names. </p>
| Height="12,75" |
 
|  |
 
|  |
 
  
|- style="background-color:#FF99CC;font-weight:bold"
+
==Phrases and forms==
| Height="12,75" | optical properties
+
===Chemical species and aerosols===
|
+
These can be chemical species with a defined molar mass (molecules, salts, etc.) or components that do not have a defined molar mass (aerosol, biological species)<br />
|
+
Goto to the [[list of chemical species and aerosols]] as of 29 October 2008.</p>
  
|-
+
===Generic Names===
| Height="12,75" | sulfate_ambient_aerosol_optical_depth_at_XX_nm
+
angstrom_exponent [1]<br />
| sulfate aerosol optical depth at XX nm
+
optical_thickness [1]<br />
  | 1
+
mass_content      [kg/m2]<br />
 +
mass_fraction      [kg/kg]<br />
 +
mass_concentration [kg/m3]<br />
 +
mole_concentration [mole/m3]<br />
 +
mole_fraction      [mole/mole]<br />
 +
moles              [moles]<br />
 +
tendency_of_&lt;Z&gt;_&lt;X&gt;_due_to_&lt;process&gt; &lt;Z=mass_content or moles&gt; [unit of Z/s] </p>
  
|-
+
===Processes===
| Height="12,75" | black_carbon_ambient_aerosol_optical_depth_at_XX_nm
+
dry_deposition <br />
| dry black carbon aerosol optical depth at XX nm
+
dry_emission <br />
| 1
+
dry_re_emission <br />
 +
wet_deposition <br />
 +
net_production_and_emission <br />
 +
dry_deposition_into_stomata <br />
 +
&lt;no process=total changes&gt;</p>
  
|-
+
===Medium===
| Height="12,75" | organic_carbon_ambient_aerosol_optical_depth_at_XX_nm
+
in_air <br />
| organic carbon aerosol optical depth at XX nm
+
in_sea_water<br />
| 1
+
in_atmosphere<br />
 +
in_middle_atmosphere<br />
 +
in_troposphere<br />
  
|-
+
<p>or
| Height="12,75" | dust_aerosol_ambient_optical_depth_at_XX_nm
+
atmosphere used as a prefix (suggested to be changed)</p>
| dry dust aerosol optical depth at XX nm
 
| 1
 
  
|-
+
==Groups of Standard_Names for chemicals and aerosols==
| Height="12,75" | seasalt_aerosol_ambient_optical_depth_at_XX_nm
+
<p>The combination of the prases and forms given above results in groups of Standard_Names for chemicals and aerosols: </p>
| dry seasalt aerosol optical depth at XX nm
+
<p>atmosphere_optical_thickness_due_to_&lt;A_ambient_aerosol&gt;<br />
| 1
+
atmosphere_optical_thickness_due_to_&lt;A_aerosol&gt;<br />
 +
mass_fraction_of_&lt;A_dry_aerosol&gt;_in_air<br />
 +
mass_fraction_of_&lt;A_wet_aerosol&gt;_in_air<br />
 +
mass_fraction_of_&lt;A_aerosol&gt;_in_air<br />
 +
mass_concentration_of_&lt;A_aerosol&gt;_in_air<br />
 +
mole_concentration_of_&lt;X&gt;_in_sea_water<br />
 +
mole_fraction_of_&lt;G&gt;_in_air<br />
 +
moles_of_&lt;G&gt;_in_atmosphere<br />
 +
tendency_of_atmosphere_mass_content_of_&lt;X&gt;_due_to_dry_deposition<br />
 +
tendency_of_atmosphere_mass_content_of_&lt;X&gt;_due_to_dry_emission<br />
 +
tendency_of_atmosphere_mass_content_of_&lt;X&gt;_due_to_dry_re_emission<br />
 +
tendency_of_atmosphere_mass_content_of_&lt;X&gt;_due_to_wet_deposition<br />
 +
tendency_of_atmosphere_mass_content_of_&lt;X&gt;_due_to_net_production_and_emission<br />
 +
tendency_of_atmosphere_mass_content_of_&lt;X&gt;_due_to_dry_deposition_into_stomata<br />
 +
tendency_of_atmosphere_mass_content_of_&lt;X&gt;_due_to_wet_deposition<br />
 +
tendency_of_atmosphere_mass_content_of_&lt;X&gt;_due_to_wet_deposition <br />
 +
tendency_of_moles_of_&lt;G&gt;_in_atmosphere<br />
 +
tendency_of_moles_of_&lt;G&gt;_in_middle_atmosphere<br />
 +
tendency_of_moles_of_&lt;G&gt;_in_troposphere <br />
 +
</p>
 +
==Odd names that do not fit in any group following the general concepts==
 +
atmosphere_content_of_sulfate_aerosol<br />
 +
optical_thickness_of_atmosphere_layer_due_to_aerosol? <br />
 +
mass_concentration_of_sulfate_aerosol_in_air<br />
 +
surface_carbon_dioxide_mole_flux </br />
  
|}
+
We [[Modfication of existing CF standard names|suggest changes]] to modify these names, so that they would fit in the general concepts explained here and allow for the automatic creation of individual names from groups of CF standard names.

Revision as of 06:04, October 29, 2008

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




This page provides the basis for the construction of CD standard names for atmospheric chemistry and aerosols.

The concepts described here have been developped since May 2006 for the definition of the 207 standard names that are accepted by the CF community as of october 2008.

The construction of CF standard names for aerosols and chemicals originated in the work of the PRISM project (Peter van Velthoven) see PRISM Standard Name Tables, latest Version, V 1.3. They have then been further developped on this wiki page and within the CF-mailing list. Important contributions come from the participating model intercomparison projects listed on the entry page.

The CF web site provides general Guidelines for Construction of CF Standard Names. The CF standard names for aerosols and chemicals are composed by the addition of phrases in certain standard forms and order following these guidelines. The concept is explained below.

At the moment, many new proposals for standard names for aerosols and chemicals are under discussion at the CF mailing list. Therefore, I try to summarize the current status of work here, in order to highlight the principles and concepts we have devolopped so far.

A large quantity of new standard names for chemical species might be necessary in the future. This requires the development of a general approach on how to proceed. Three and a half main ideas are discussed at the moment:

  • Definition of each chemically related standard name explicitly in the CF standard name list, and discuss each of these names individually (current approach).
  • Definition of groups of standard names (see below) with the individual chemical species or aerosol type given as a scalar coordinate. Names for individual species would not appear any more as CF standard names. Unphysical names would not occur, but the names would not be as human-understandable any more.
  • Definition of groups of standard names (see below). Creation of all possible names from these for new individual chemical species or aerosols using a script, even if some of them might not have a physical meaning - OR - Experts review the possible names and eliminate unphysical before submission to the CF community.

The descriptions below could help to converge to the most efficient strategy.


LIST OF CHEMICAL SPECIES AND AEROSOLS

The list of standard names for chemical and aerosol accepted by October 29 2008 can be found here.

COMPOSING THE STANDARD NAMES FOR AEROSOLS AND CHEMICALS

Certain phrases and forms ure used:

  • chemical species and aerosols: describe the species
  • generic names: describe the property of the species, and determinethe unit of the variable
  • processes: are used in flux variables: tendency_of_.... due_to_<process&gt and give the change of the species' property du to a certain process
  • medium: indicates the local medium or layer within which the variable applies

The combination of these phrases and names results in groups of Standard_Names that are given below. However, not all combinations are possible or reasonable. There are some odd names that do not fit in the general concepts. Modifications are suggested for these names in order to allow for the automatic creation of individual names from groups of CF standard names.

Phrases and forms

Chemical species and aerosols

These can be chemical species with a defined molar mass (molecules, salts, etc.) or components that do not have a defined molar mass (aerosol, biological species)

Goto to the list of chemical species and aerosols as of 29 October 2008.

Generic Names

angstrom_exponent [1]
optical_thickness [1]
mass_content [kg/m2]
mass_fraction [kg/kg]
mass_concentration [kg/m3]
mole_concentration [mole/m3]
mole_fraction [mole/mole]
moles [moles]

tendency_of_<Z>_<X>_due_to_<process> <Z=mass_content or moles> [unit of Z/s]

Processes

dry_deposition
dry_emission
dry_re_emission
wet_deposition
net_production_and_emission
dry_deposition_into_stomata

<no process=total changes>

Medium

in_air
in_sea_water
in_atmosphere
in_middle_atmosphere
in_troposphere

or atmosphere used as a prefix (suggested to be changed)

Groups of Standard_Names for chemicals and aerosols

The combination of the prases and forms given above results in groups of Standard_Names for chemicals and aerosols:

atmosphere_optical_thickness_due_to_<A_ambient_aerosol>
atmosphere_optical_thickness_due_to_<A_aerosol>
mass_fraction_of_<A_dry_aerosol>_in_air
mass_fraction_of_<A_wet_aerosol>_in_air
mass_fraction_of_<A_aerosol>_in_air
mass_concentration_of_<A_aerosol>_in_air
mole_concentration_of_<X>_in_sea_water
mole_fraction_of_<G>_in_air
moles_of_<G>_in_atmosphere
tendency_of_atmosphere_mass_content_of_<X>_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_<X>_due_to_dry_emission
tendency_of_atmosphere_mass_content_of_<X>_due_to_dry_re_emission
tendency_of_atmosphere_mass_content_of_<X>_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_<X>_due_to_net_production_and_emission
tendency_of_atmosphere_mass_content_of_<X>_due_to_dry_deposition_into_stomata
tendency_of_atmosphere_mass_content_of_<X>_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_<X>_due_to_wet_deposition
tendency_of_moles_of_<G>_in_atmosphere
tendency_of_moles_of_<G>_in_middle_atmosphere
tendency_of_moles_of_<G>_in_troposphere

Odd names that do not fit in any group following the general concepts

atmosphere_content_of_sulfate_aerosol
optical_thickness_of_atmosphere_layer_due_to_aerosol?
mass_concentration_of_sulfate_aerosol_in_air
surface_carbon_dioxide_mole_flux

We suggest changes to modify these names, so that they would fit in the general concepts explained here and allow for the automatic creation of individual names from groups of CF standard names.