Dear Daniel That seems fine to me, thanks. Others may have comments and Alison will no doubt respond in due course.
Best wishes Jonathan ----- Forwarded message from [email protected] ----- > Date: Fri, 12 Aug 2016 09:00:12 +0200 > From: [email protected] > To: [email protected] > Subject: [CF-metadata] Antwort: Proposal to introduce three new standard > names for nitrogen deposition > > Dear Jonathan, > > Thank you for the feedback. Then, the three new variable names should be: > > tendency_of_atmosphere_mass_content_of_nitrogen_due_to_dry_deposition > tendency_of_atmosphere_mass_content_of_nitrogen_due_to_wet_deposition > tendency_of_atmosphere_mass_content_of_nitrogen_due_to_deposition > > Best, > Daniel > > > ---------------------------- > Daniel Neumann > Doktorand Chemietransportmodellierung > PhD Student Chemistry Transport Modelling > > Tel.: +49 (0) 41 52 / 87 - 2368 > Fax: +49 (0) 41 52 / 87 - 2332 > [email protected] > > -----"CF-metadata" <[email protected]> schrieb: ----- > An: [email protected] > Von: Jonathan Gregory > Gesendet von: "CF-metadata" > Datum: 10.08.2016 14:44 > Betreff: [CF-metadata] Proposal to introduce three new standard names for > nitrogen deposition > > Dear Daniel > > Thanks for your proposal. I'm not an expert on the chemical aspect but it > make sense to me to have aggregated names for nitrogen. This would be the > mass of nitrogen in all species, yes? > > "Total" is not needed because CF standard names assume that everything is > meant (as with nitrogen!) unless there is a qualification. In fact the phrase > due_to_deposition is already in use. > > Best wishes > > Jonathan > > ----- Forwarded message from [email protected] ----- > > > Date: Wed, 10 Aug 2016 08:36:06 +0200 > > From: [email protected] > > To: [email protected] > > Subject: [CF-metadata] Proposal to introduce three new standard names for > > nitrogen deposition > > > > Dear CF-convention community, > > > > I would like to propose three new standard names for nitrogen deposition. > > > > Regards, > > Daniel > > > > > > ## PROPOSED STANDARD NAMES ## > > tendency_of_atmosphere_mass_content_of_nitrogen_due_to_dry_deposition > > tendency_of_atmosphere_mass_content_of_nitrogen_due_to_wet_deposition > > tendency_of_atmosphere_mass_content_of_nitrogen_due_to_total_deposition > > > > > > ## REASON ## > > The total nitrogen deposition into water bodies is an important parameter > > when Eutrophication of water bodies and nutrient contribution from rivers > > and the atmosphere are evaluated. This parameter is no primary model output > > parameter but it is derived from the deposition of all nitrogen compounds. > > > > When providing nitrogen deposition data to ecosystem modelers it is > > reasonable to provide 'total nitrogen deposition' instead of 'nitrogen wet > > deposition' and 'nitrogen dry deposition' separately because algae do not > > care about the type of deposition. > > > > Instead of providing "total nitrogen deposition" one could also provide wet > > and dry deposition of "ammonium + ammonia + noy + nitrate". However, this > > yields files that are eight times as height as necessary. > > > > Therefore, standard names for nitrogen wet, dry and total deposition should > > be introduced. > > > > It might be debatable to also introduce standard names for 'total oxidized > > nitrogen deposition' (noy + nitrate) or 'total reduced nitrogen deposition' > > (ammonia + ammonium). > > > > > > ## DESCRIPTION ## > > # DRY DEPOSITION # > > "Content" indicates a quantity per unit area. The "atmosphere content" of a > > quantity refers to the vertical integral from the surface to the top of the > > atmosphere. For the content between specified levels in the atmosphere, > > standard names including "content_of_atmosphere_layer" are used. > > "tendency_of_X" means derivative of X with respect to time. The > > specification of a physical process by the phrase "due_to_" process means > > that the quantity named is a single term in a sum of terms which together > > compose the general quantity named by omitting the phrase. "dry_deposition" > > is the sum of turbulent deposition and gravitational settling. "Nitrogen" > > summarizes all chemical species containing nitrogen atoms. Usually, > > particle bound and gaseous nitrogen compounds, such as atomic nitrogen (N), > > nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen pentoxide > > (N2O5), nitric acid (HNO3), nitrage (NO3-), peroxynitric acid (HNO4), > > ammoina (NH3), ammonium (NH4+), bromine nitrate (BrONO2), chlorine nitrate > > (ClONO2) and organic nitrates (most notably peroxyacetyl nitrate, sometimes > > referred to as PAN, (CH3COO2NO2)) are included. The list of individual > > species that are included in this quantity can vary between models. Where > > possible, the data variable should be accompanied by a complete description > > of the species represented, for example, by using a comment attribute. > > > > > > # WET DEPOSITION # > > "Content" indicates a quantity per unit area. The "atmosphere content" of a > > quantity refers to the vertical integral from the surface to the top of the > > atmosphere. For the content between specified levels in the atmosphere, > > standard names including "content_of_atmosphere_layer" are used. > > "tendency_of_X" means derivative of X with respect to time. The > > specification of a physical process by the phrase "due_to_" process means > > that the quantity named is a single term in a sum of terms which together > > compose the general quantity named by omitting the phrase. "wet_deposition" > > means deposition by precipitation. "Nitrogen" summarizes all chemical > > species containing nitrogen atoms. Usually, particle bound and gaseous > > nitrogen compounds, such as atomic nitrogen (N), nitrogen monoxide (NO), > > nitrogen dioxide (NO2), dinitrogen pentoxide (N2O5), nitric acid (HNO3), > > nitrage (NO3-), peroxynitric acid (HNO4), ammoina (NH3), ammonium (NH4+), > > bromine nitrate (BrONO2), chlorine nitrate (ClONO2) and organic nitrates > > (most notably peroxyacetyl nitrate, sometimes referred to as PAN, > > (CH3COO2NO2)) are included. The list of individual species that are > > included in this quantity can vary between models. Where possible, the data > > variable should be accompanied by a complete description of the species > > represented, for example, by using a comment attribute. > > > > > > # TOTAL DEPOSITION # > > "Content" indicates a quantity per unit area. The "atmosphere content" of a > > quantity refers to the vertical integral from the surface to the top of the > > atmosphere. For the content between specified levels in the atmosphere, > > standard names including "content_of_atmosphere_layer" are used. > > "tendency_of_X" means derivative of X with respect to time. The > > specification of a physical process by the phrase "due_to_" process means > > that the quantity named is a single term in a sum of terms which together > > compose the general quantity named by omitting the phrase. > > "total_deposition" is the sum of wet and dry deposition. "Nitrogen" > > summarizes all chemical species containing nitrogen atoms. Usually, > > particle bound and gaseous nitrogen compounds, such as atomic nitrogen (N), > > nitrogen monoxide (NO), nitrogen dioxide (NO2), dinitrogen pentoxide > > (N2O5), nitric acid (HNO3), nitrage (NO3-), peroxynitric acid (HNO4), > > ammoina (NH3), ammonium (NH4+), bromine nitrate (BrONO2), chlorine nitrate > > (ClONO2) and organic nitrates (most notably peroxyacetyl nitrate, sometimes > > referred to as PAN, (CH3COO2NO2)) are included. The list of individual > > species that are included in this quantity can vary between models. Where > > possible, the data variable should be accompanied by a complete description > > of the species represented, for example, by using a comment attribute. > > > > > > > > > > > > ---------------------------- > > Daniel Neumann > > Doktorand Chemietransportmodellierung > > PhD Student Chemistry Transport Modelling > > > > Tel.: +49 (0) 41 52 / 87 - 2368 > > Fax: +49 (0) 41 52 / 87 - 2332 > > [email protected] > > Helmholtz-Zentrum Geesthacht > > Zentrum für Material- und Küstenforschung GmbH > > Max-Planck-Straße 1 I 21502 Geesthacht I Deutschland/Germany > > > > Geschäftsführer/Board of Management: Prof. Dr. Wolfgang Kaysser, Dipl.-Ing. > > Michael Ganß > > Vorsitzender des Aufsichtsrates/Chairman of the Supervisory Board: > > Ministerialdirigent Dr. Herbert Zeisel > > Amtsgericht Lübeck HRB 285 GE (Register Court) > > Internet: http://www.hzg.de > > _______________________________________________ > > CF-metadata mailing list > > [email protected] > > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata > > ----- End forwarded message ----- > _______________________________________________ > CF-metadata mailing list > [email protected] > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata > Helmholtz-Zentrum Geesthacht > Zentrum für Material- und Küstenforschung GmbH > Max-Planck-Straße 1 I 21502 Geesthacht I Deutschland/Germany > > Geschäftsführer/Board of Management: Prof. Dr. Wolfgang Kaysser, Dipl.-Ing. > Michael Ganß > Vorsitzender des Aufsichtsrates/Chairman of the Supervisory Board: > Ministerialdirigent Dr. Herbert Zeisel > Amtsgericht Lübeck HRB 285 GE (Register Court) > Internet: http://www.hzg.de > _______________________________________________ > CF-metadata mailing list > [email protected] > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata ----- End forwarded message ----- _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
