Thank you for the suggestion Klaus. I have updated the long names accordingly:
HFC nomenclature:
Standard name: mole_fraction_of_hfc134a_in_air
Long name: Mole fraction of 1,1,1,2-tetrafluoroethane (HFC-134a) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc134a is 1,1,1,2-tetrafluoroethane.
Standard name: mole_fraction_of_hfc143a_in_air
Long name: Mole fraction of 1,1,1-trifluoroethane (HFC-143a) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc143a is 1,1,1-trifluoroethane.
Standard name: mole_fraction_of_hfc125_in_air
Long name: Mole fraction of 1,1,1,2,2-pentafluoroethane (HFC-125) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc125 is 1,1,1,2,2-pentafluoroethane.
Standard name: mole_fraction_of_hfc152a_in_air
Long name: Mole fraction of 1,1-difluoroethane (HFC-152a) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc152a is 1,1-difluoroethane.
Standard name: mole_fraction_of_hfc32_in_air
Long name: Mole fraction of difluoromethane (HFC-32) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc32 is difluoromethane.
Standard name: mole_fraction_of_hfc23_in_air
Long name: Mole fraction of trifluoromethane (HFC-23) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. The IUPAC name for hfc23 is trifluoromethane.
IUPAC nomenclature:
Standard name: mole_fraction_of_1,1,1,2-tetrafluoroethane_in_air
Long name: Mole fraction of 1,1,1,2-tetrafluoroethane (HFC-134a) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. 1,1,1,2-tetrafluoroethane is described by its common name, HFC-134a.
Standard name: mole_fraction_of_1,1,1-trifluoroethane_in_air
Long name: Mole fraction of 1,1,1-trifluoroethane (HFC-143a) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. 1,1,1-trifluoroethane is described by its common name, HFC-143a.
Standard name: mole_fraction_of_1,1,1,2,2-pentafluoroethane_in_air
Long name: Mole fraction of 1,1,1,2,2-pentafluoroethane (HFC-125) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. 1,1,1,2,2-pentafluoroethane is described by its common name, HFC-125.
Standard name: mole_fraction_of_1,1-difluoroethane_in_air
Long name: Mole fraction of 1,1-difluoroethane (HFC-152a) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. 1,1-difluoroethane is described by its common name, HFC-152a.
Standard name: mole_fraction_of_difluoromethane_in_air
Long name: Mole fraction of difluoromethane (HFC-32) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. Difluoromethane is described by its common name, HFC-32.
Standard name: mole_fraction_of_trifluoromethane_in_air
Long name: Mole fraction of trifluoromethane (HFC-23) in air
Definition: Mole fraction is used in the construction mole_fraction_of_X_in_Y, where X is a material constituent of Y. Trifluoromethane is described by its common name, HFC-23.
Cheers,
Dan
________________________________
Dr Daniel Say
Postdoctoral Research Associate
Atmospheric Chemistry Research Group
School of Chemistry
University of Bristol
Tel: (+44) 117 3317042
________________________________
From: CF-metadata <cf-metadata-bounces at cgd.ucar.edu> on behalf of Klaus Zimmermann <klaus.zimmermann at smhi.se>
Sent: 13 March 2019 09:33:18
To: cf-metadata at cgd.ucar.edu
Subject: Re: [CF-metadata] Addition of HFC standard names
Good morning,
just a technical clarification: long names are not standardized within
cf, correct?
Indeed, typical long names don't follow the snake_case convention, but
are rather more free-form and human readable/understandable. They are
chosen by the user, often giving information beyond the standard names.
Examples from CMIP6 (Omon table, variables tos and tosga):
tos:
- standard name: sea_surface_temperature
- long name: Sea Surface Temperature
tosga:
- standard name: sea_surface_temperature
- long name: Global Average Sea Surface Temperature
Cheers
Klaus
On 13/03/2019 10:11, Dan Say wrote:
> Good morning,
>
>
> I am happy to go with the IUPAC names if needs be however, hfc is
> standard nomenclature and I would have thought the most likely term to
> be searched. I also note that there are already standard names for
> several HCFCs and CFCs, for which the standard names are
> 'mole_fraction_of_cfc11_in_air' etc. Nevertheless, see below a list of
> the requested standard/long names and definitions, using both HFC and
> IUPAC nomenclature. I am happy for you to choose which ones we use,
> please advise.
>
>
> *HFC nomenclature:*
>
>
> Standard name: mole_fraction_of_hfc134a_in_air
>
> Long name: mole_fraction_of_hfc134a_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y. The
> IUPAC name for hfc134a is 1,1,1,2-tetrafluoroethane.
>
>
> Standard name: mole_fraction_of_hfc143a_in_air
>
> Long name: mole_fraction_of_hfc143a_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y. The
> IUPAC name for hfc143a is 1,1,1-trifluoroethane.
>
>
> Standard name: mole_fraction_of_hfc125_in_air
>
> Long name: mole_fraction_of_hfc125_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y. The
> IUPAC name for hfc125 is 1,1,1,2,2-pentafluoroethane.
>
>
> Standard name: mole_fraction_of_hfc152a_in_air
>
> Long name: mole_fraction_of_hfc152a_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y. The
> IUPAC name for hfc152a is 1,1-difluoroethane.
>
>
> Standard name: mole_fraction_of_hfc32_in_air
>
> Long name: mole_fraction_of_hfc32_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y. The
> IUPAC name for hfc32 is difluoromethane.
>
>
> Standard name: mole_fraction_of_hfc23_in_air
>
> Long name: mole_fraction_of_hfc23_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y. The
> IUPAC name for hfc23 is trifluoromethane.
>
>
>
>
>
> *IUPAC nomenclature:*
>
>
> Standard name: mole_fraction_of_1,1,1,2-tetrafluoroethane_in_air
>
> Long name: mole_fraction_of_1,1,1,2-tetrafluoroethane_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y.
> 1,1,1,2-tetrafluoroethane is described by its common name, HFC-134a.
>
>
> Standard name: mole_fraction_of_1,1,1-trifluoroethane_in_air
>
> Long name: mole_fraction_of_1,1,1-trifluoroethane_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y.
> 1,1,1-trifluoroethane is described by its common name, HFC-143a.
>
>
> Standard name: mole_fraction_of_1,1,1,2,2-pentafluoroethane_in_air
>
> Long name: mole_fraction_of_1,1,1,2,2-pentafluoroethane_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y.
> 1,1,1,2,2-pentafluoroethane is described by its common name, HFC-125.
>
>
> Standard name: mole_fraction_of_1,1-difluoroethane_in_air
>
> Long name: mole_fraction_of_1,1-difluoroethane_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y.
> 1,1-difluoroethane is described by its common name, HFC-152a.
>
>
> Standard name: mole_fraction_of_difluoromethane_in_air
>
> Long name: mole_fraction_of_difluoromethane_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y.
> Difluoromethane is described by its common name, HFC-32.
>
>
> Standard name: mole_fraction_of_trifluoromethane_in_air
>
> Long name: mole_fraction_of_trifluoromethane_in_air
>
> Definition: Mole fraction is used in the construction
> mole_fraction_of_X_in_Y, where X is a material constituent of Y.
> Trifluoromethane is described by its common name, HFC-23.
>
>
>
> Cheers,
>
>
> Dan
>
>
>
> */________________________________
> /*
> */
> /*
> *Dr Daniel Say*
> Postdoctoral Research Associate
> Atmospheric Chemistry Research Group
> School of Chemistry
> University of Bristol
> Tel: (+44) 117 3317042
> ------------------------------------------------------------------------
> *From:* Lowry, Roy K. <rkl at bodc.ac.uk>
> *Sent:* 12 March 2019 17:17:12
> *To:* Dan Say; cf-metadata at cgd.ucar.edu
> *Subject:* Re: Addition of HFC standard names
>
> HI again,
>
> I'd prefer it to be somewhere in the Standard Name entry because that is
> searchable either through the XML document on the CF site or through the
> vocabulary servers handling Standard Names. That way your data gets
> discovered by other communities who might search for
> '1,1,1,2-tetrafluoroethane'. I've dealt with quite a few oceanographic
> halocarbon data sets over the years, but had never come across the 'hfc'
> nomenclature before.
>
> To my knowledge the long name doesn't get scraped by data discovery
> systems. It is used more as usage metadata to help users better
> understand the measurements. By all means include the IUPAC name in the
> long name, but I would also keep the hfc synonym there.
>
> Cheers, Roy.
>
> I have now retired but will continue to be active through an Emeritus
> Fellowship using this e-mail address.
>
>
> ------------------------------------------------------------------------
> *From:* Dan Say <dan.say at bristol.ac.uk>
> *Sent:* 12 March 2019 16:59
> *To:* Lowry, Roy K.; cf-metadata at cgd.ucar.edu
> *Subject:* Re: Addition of HFC standard names
>
>
> Hi Roy,
>
>
> Would it make more sense to leave the standard name as suggested, but
> replace 'hfc134a' with '1,1,1,2-tetrafluoroethane' in the long name, for
> simplicity? This is my first venture into the CEDa archives so please
> advise, I am happy to change the long names if needs be.
>
>
> Cheers,
>
>
> Dan
>
>
> */________________________________
> /*
> */
> /*
> *Dr Daniel Say*
> Postdoctoral Research Associate
> Atmospheric Chemistry Research Group
> School of Chemistry
> University of Bristol
> Tel: (+44) 117 3317042
> ------------------------------------------------------------------------
> *From:* Lowry, Roy K. <rkl at bodc.ac.uk>
> *Sent:* 12 March 2019 16:56:17
> *To:* Dan Say; cf-metadata at cgd.ucar.edu
> *Subject:* Re: Addition of HFC standard names
>
> Dear Dan,
>
> I think it would be better to have the IUPAC names somewhere
> (e.g. 1,1,1,2-tetrafluoroethane for hfc134a if Wikipedia is correct) in
> the Standard Name entry. I'd be happy with it in the definition but
> would not object to it being in the Standard Name itself.
>
> Cheers, Roy.
>
> I have now retired but will continue to be active through an Emeritus
> Fellowship using this e-mail address.
>
>
> ------------------------------------------------------------------------
> *From:* CF-metadata <cf-metadata-bounces at cgd.ucar.edu> on behalf of Dan
> Say <dan.say at bristol.ac.uk>
> *Sent:* 12 March 2019 16:43
> *To:* cf-metadata at cgd.ucar.edu
> *Subject:* [CF-metadata] Addition of HFC standard names
>
>
> Dear All,
>
> I'd like to request an addition to the standard name list for
> atmospheric measurements of hydrofluorocarbons HFC-134a, HFC-143a,
> HFC-125, HFC-152a, HFC-32 and HFC-23. Here are the details of the
> proposed standard names.
>
> Proposal for a new standard variable names:
>
> Names:
> mole_fraction_of_hfc134a_in_air
> mole_fraction_of_hfc143a_in_air
> mole_fraction_of_hfc125_in_air
> mole_fraction_of_hfc152a_in_air
> mole_fraction_of_hfc32_in_air
> mole_fraction_of_hfc23_in_air
>
> Description: Atmospheric measurements of hydrofluorocarbons (HFC) are
> reported as mole fraction data in units of parts per trillion (ppt,
> 1E-12). The long name will remain the same as the standard name.
>
> Thanks in advance,
>
> Dan
>
> */________________________________
> /*
> */
> /*
> *Dr Daniel Say*
> Postdoctoral Research Associate
> Atmospheric Chemistry Research Group
> School of Chemistry
> University of Bristol
> Tel: (+44) 117 3317042
>
>
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