Just a brief reminder.
On 24.07.2017 16:59, Daniel Neumann wrote:
> Dear CF-Mailinglist,
>
> I suggest to rename all standard names (rename = create the new names
> and make the old names aliases to the new ones)
>
> atmospheric_mass_content_of_X_dry_aerosol
> to
> atmospheric_mass_content_of_X_in_dry_aerosol
>
> and
>
> mass_concentration_of_X_dry_aerosol_in_air
> to
> mass_concentration_of_X_in_dry_aerosol_in_air
>
> and
>
> atmosphere_mass_content_of_sulfate_dry_aerosol_particles_expressed_as_sulfur
>
> to
> atmosphere_mass_content_of_sulfate_in_dry_aerosol_particles_expressed_as_sulfur
>
>
> I am not aware of any reasonable exceptions for X.
>
>
> Further I would like to suggest to add
>
> atmospheric_mass_content_of_X_in_dry_aerosol
> mass_concentration_of_X_in_dry_aerosol_in_air
>
> for chloride and sodium (units and descriptions according to the
> existing other standard names of this type).
>
>
> Reasons:
> (a) As stated here
> (http://mailman.cgd.ucar.edu/pipermail/cf-metadata/2017/059588.html)
> and here
> (http://mailman.cgd.ucar.edu/pipermail/cf-metadata/2017/059554.html),
> the standard name mass_concentration_of_X_dry_aerosol describes the
> total dry mass of all aerosol particles that contain traces of X.
> There is currently no term to describe the mass concentration of
> particulate X.
> (b) As stated here
> (http://mailman.cgd.ucar.edu/pipermail/cf-metadata/2017/059588.html)
> there is no practical application or
> mass_concentration_of_X_dry_aerosol. However, for the CMIP5
> experiments the standard name
> atmospheric_mass_content_of_X_dry_aerosol is used to describe the mass
> content of particulate X (sulfate, nitrate, ammonium) in the
> atmosphere. See standard_output.pdf on
> http://cmip-pcmdi.llnl.gov/cmip5/output_req.html for details:
> http://cmip-pcmdi.llnl.gov/cmip5/docs/standard_output.pdf . There are
> probably more situation, in which mass_concentration_of_X_dry_aerosol
> and atmospheric_mass_content_of_X_dry_aerosol were wrongly used. At
> least I would have used it wrongly :-) .
>
> In order to (a) have valid standard names for the mass concentration
> (and mass content) of particulate X and (b) be backward compatible
> with respect to the current usage of existing standard names, I
> suggest to rename the old variable names (create new one + make the
> old ones aliases to the new ones) instead of just creating new ones
> (without alias-ing).
>
>
> Regards,
> Daniel
> _______________________________________________
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> CF-metadata at cgd.ucar.edu
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--
Daniel Neumann
Leibniz Institute for Baltic Sea Research Warnemuende
Physical Oceanography and Instrumentation
Seestrasse 15
18119 Rostock
Germany
phone: +49-381-5197-287
fax: +49-381-5197-114 or 440
e-mail: daniel.neumann at io-warnemuende.de
Received on Mon Aug 14 2017 - 03:48:46 BST
