Dear Alison,
Thank you very much for your detailed answer, and for looking into the
latest email exchanges on chem.&aer.
I agree that we should try to quickly agree on the names we already
discussed, and at the same time follow up on the idea of establishing
a hierarchy for chemical names in the future.
In addition, I found a small mistake in list of standard names:
mass_fraction_of_ammonium_dry_aerosol_in_air
Mass fraction is used in the construction mass_fraction_of_X_in_Y, where
X is a material constituent of Y. It means the ratio of the mass of Y to
the mass of X (including Y). "Mass_fraction_of_ammonium" means that the
mass is expressed as mass of NH3. "Aerosol" means the suspended liquid
or solid particles in air (except cloud droplets). Aerosol takes up
ambient water (a process known as hygroscopic growth) depending on the
relative humidity and the composition of the aerosol. "Dry aerosol"
means aerosol without water.
It should be:
"Mass_fraction_of_ammonium" means that the mass is expressed as mass of
NH4. not NH3.
It would be good to extend the explanation for black carbon aerosol:
Black carbon aerosol is composed of elemental carbon, it is strongly
light-absorbing.
particulate_organic_matter_dry_aerosol
secondary_particulate_organic_matter_dry_aerosol
primary_particulate_organic_matter_dry_aerosol
To avoid ambiguities, I think we should say that the first is the sum of
the second and the third in the explanation everywhere these aerosol
types are mentioned.
Here are my comments on the individual names you have listed
*************
Volume mixing ratios:
ALL OK
mole_fraction_of_gaseous_elemental_mercury_in_air
mole_fraction_of_carbon_dioxide_in_air
mole_fraction_of_methane_in_air
mole_fraction_of_formaldehyde_in_air
mole_fraction_of_ethane_in_air
mole_fraction_of_ethene_in_air
mole_fraction_of_ethyne_in_air
mole_fraction_of_propane_in_air
mole_fraction_of_propene_in_air
mole_fraction_of_benzene_in_air
mole_fraction_of_toluene_in_air
mole_fraction_of_xylene_in_air
mole_fraction_of_isoprene_in_air
TYPO
gasesous->gaseous
mole_fraction_of_gasesous_divalent_mercury_in_air
mole_fraction_of_gaseous_divalent_mercury_in_air
(Define divalent as meaning all compounds where Hg has two binding sites
to (an)other ion(s) in a salt or an(other) atom(s) in a molecule).
*************
> Tendency of atmospheric mass content due to dry deposition:
ALL OK:
tendency_of_atmosphere_mass_content_of_ozone_due_to_dry_deposition OK
tendency_of_atmosphere_mass_content_of_nitrogen_dioxide_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_ammonia_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_dimethyl_sulfide_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_black_carbon_dry_aerosol_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_hexachlorobiphenyl_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_alpha_hexachlorocyclohexane_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_mercury_dry_aerosol_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_primary_particulate_organic_matter_dry_aerosol_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_gaseous_divalent_mercury_due_to_dry_deposition
(Define divalent as meaning all compounds where Hg has two binding sites
to (an)other ion(s) in a salt or an(other) atom(s) in a molecule).
TYPOS:
depositon -> deposition
tendency_of_atmosphere_mass_content_of_nitric_acid_due_to_dry_depositon
tendency_of_atmosphere_mass_content_of_nitric_acid_due_to_dry_deposition
gasesous -> gaseous
tendency_of_atmosphere_mass_content_of_gasesous_elemental_mercury_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_gaseous_elemental_mercury_due_to_dry_deposition
>
> *************
> Tendency of atmospheric mass content due to dry deposition into
> stomata:
>
tendency_of_atmosphere_mass_content_of_ozone_due_to_dry_deposition_into_stomata
> OK
>
*************
> Tendency of atmospheric mass content due to wet deposition:
>
ALL OK
tendency_of_atmosphere_mass_content_of_ammonia_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_dimethyl_sulfide_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_black_carbon_dry_aerosol_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_primary_particulate_organic_matter_dry_aerosol_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_hexachlorobiphenyl_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_alpha_hexachlorocyclohexane_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_gaseous_divalent_mercury_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_mercury_dry_aerosol_due_to_wet_deposition
TYPOS:
tendency_of_atmosphere_mass_content_of_nitric_acid_due_to_wet_depositon
tendency_of_atmosphere_mass_content_of_nitric_acid_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_gasesous_elemental_mercury_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_gaseous_elemental_mercury_due_to_wet_deposition
*************
> Tendency of atmospheric mass content due to emissions:
>
ALL OK
tendency_of_atmosphere_mass_content_of_carbon_monoxide_due_to_emission
tendency_of_atmosphere_mass_content_of_ammonia_due_to_emission
tendency_of_atmosphere_mass_content_of_sulfur_dioxide_due_to_emission
tendency_of_atmosphere_mass_content_of_dimethyl_sulfide_due_to_emission
tendency_of_atmosphere_mass_content_of_black_carbon_dry_aerosol_due_to_emission
tendency_of_atmosphere_mass_content_of_particulate_organic_matter_dry_aerosol_due_to_net_production_and_emission
tendency_of_atmosphere_mass_content_of_secondary_particulate_organic_matter_dry_aerosol_due_to_net_production
tendency_of_atmosphere_mass_content_of_primary_particulate_organic_matter_dry_aerosol_due_to_emission
tendency_of_atmosphere_mass_content_of_seasalt_dry_aerosol_due_to_emission
tendency_of_atmosphere_mass_content_of_dust_dry_aerosol_due_to_emission
tendency_of_atmosphere_mass_content_of_hexachlorobiphenyl_due_to_emission
tendency_of_atmosphere_mass_content_of_alpha_hexachlorocyclohexane_due_to_emission
tendency_of_atmosphere_mass_content_of_hexachlorobiphenyl_due_to_re_emission
tendency_of_atmosphere_mass_content_of_alpha_hexachlorocyclohexane_due_to_re_emission
tendency_of_atmosphere_mass_content_of_gaseous_elemental_mercury_due_to_emission
tendency_of_atmosphere_mass_content_of_gaseous_divalent_mercury_due_to_emission
tendency_of_atmosphere_mass_content_of_mercury_dry_aerosol_due_to_emission
tendency_of_atmosphere_mass_content_of_nox_expressed_as_nitrogen_due_to_emission
*************
>
*************
> Optical thickness:
ALL OK:
atmosphere_optical_thickness_due_to_pm10_ambient_aerosol
atmosphere_optical_thickness_due_to_pm2p5_ambient_aerosol
atmosphere_optical_thickness_due_to_pm1_ambient_aerosol
atmosphere_optical_thickness_due_to_black_carbon_ambient_aerosol OK
atmosphere_optical_thickness_due_to_seasalt_ambient_aerosol OK
atmosphere_optical_thickness_due_to_dust_ambient_aerosol OK
atmosphere_optical_thickness_due_to_particulate_organic_matter_ambient_aerosol
atmosphere_optical_thickness_due_to_water_in_ambient_aerosol OK
Explanation:
This quantity refers to the optical thickness due to the water that is
associated with aerosol particles due to hygroscopic growth in ambient
air, affecting the particle's radius and refractive index. It
corresponds to the difference between the total dry aerosol optical
thickness and total
ambient aerosol optical thickness.
*************
MORE EXPLANATION for ionic aerosols needed, and this concerns not only
the tendencies and opt. thickness, but also the variables for
concentration.
tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_emission:
tendency_of_atmosphere_mass_content_of_ammonium_due_to_dry_deposition
tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_dry_deposition:
tendency_of_atmosphere_mass_content_of_ammonium_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_sulfate_dry_aerosol_due_to_wet_deposition
tendency_of_atmosphere_mass_content_of_sulfate_compounds_dry_aerosol_due_to_dry_deposition
atmosphere_optical_thickness_due_to_nitrate_ambient_aerosol
atmosphere_optical_thickness_due_to_sulfate_ambient_aerosol
atmosphere_optical_thickness_due_to_ammonium_ambient_aerosol
Suggestion for NOY:
tendency_of_atmosphere_mass_content_of_all_reactive_nitrogen_oxides_expressed_as_nitrogen_due_to_dry_deposition:
tendency_of_atmosphere_mass_content_of_all_nitrogen_oxides_expressed_as_nitrogen_due_to_wet_deposition:
The species included can vary from model to model, sometime NOy is used
just as the sum of something not well known. It would possibly be good
to modify the explanation to:
NOy is the sum of all simulated oxidized reactive nitrogen species, out
of NO, NO2, HNO3, HNO4, HONO, NO3-aerosol, NO3(radical), N2O5, PAN,
other organic nitrates, more detailed information should be given if
needed. Expressed as mass of N.
I would prefer to use "all" instead of "group" in the name as suggested
by Martin Schultz. "all" sound less limited than "group" which suggestes
a definite group and could lead to confusion.
MORE EXPLANATIONS NEEDED Tendencies due to chemical reactions:
tendency_of_atmosphere_mole_concentration_of_ozone_due_to_chemical_gross_production
tendency_of_atmosphere_mole_concentration_of_ozone_due_to_chemical_gross_destruction
tendency_of_atmosphere_mole_concentration_of_methane_due_to_chemical_gross_destruction
tendency_of_atmosphere_mole_concentration_of_carbon_monoxide_due_to_chemical_gross_destruction
see emails from Roy Lowry.
Cheers,
Christiane
Pamment, JA (Alison) schrieb:
> Looking at the discussion copied to your wiki page, the main question
> mark seems to be concerning the sulphate/nitrate names, particularly
> with regard to optical thickness. Maybe we need some further
> discussion of those names on the mailing list. For sulphate/nitrate
> names in general is there a need to specify exactly which names are
> included in each model? If so, we would need to think about how to
> do it in CF because there isn't an obvious place to record such
> information - again this might be a subject for discussion on the
> list.
>
> Perhaps, in the short term, we could add all the names to the table
> except for the sulphate/nitrate ones. Does that seem like a
> reasonable approach?
>
> My notes are as follows:
>
>
> Best wishes, Alison
>
> ------ Alison Pamment Tel: +44 1235 778065
> NCAS/British Atmospheric Data Centre Fax: +44 1235 446314
> Rutherford Appleton Laboratory Email: J.A.Pamment at rl.ac.uk
> Chilton, Didcot, OX11 0QX, U.K.
>
>
>
>
>
>
>
>
>
>
>
>
>
>
--
======================================================================
Christiane Textor
Laboratoire des Sciences du Climat et de l'Environnement
Unite Mixte de Recherche CEA-CNRS-UVSQ
LSCE, CEA Saclay
L'Orme des Merisiers, Bat. 701 Piece 3b
mailto: christiane.textor at lsce.ipsl.fr
Tel ++33 1 69 08 34 07 Fax ++33 1 69 08 34 07
F-91191 Gif-sur-Yvette Cedex
FRANCE
GEOMON scientific project manager http://www.geomon.eu
======================================================================
Received on Sun Nov 11 2007 - 09:16:20 GMT
