Dear Roy,
Thank you for the fast reply.
> My first comment is that either this Standard Name should be changed
> to mass_concentration_of_dissolved_inorganic_nitrogen_in_sea_water
> with references to 'inorganic nitrogen' in the definition changed to
> 'dissolved inorganic nitrogen' or your proposal should lose the
> 'dissolved'. My preference would be to have 'dissolved' in both
> Standard Names. Would you agree?
I agree - it should be consistent for both names - and my preference is
the same.
> My second comment is that whilst your proposal is for the
> 'mole_concentration' analogue to
> mass_concentration_of_inorganic_nitrogen_in_sea_water, your definition
> text whilst based on its definition, has been subtly changed with the
> first sentence removed. Was this intentional and if so why?
>
> Your proposal for iron looks fine to me.
Thanks for pointing it out. It was not intentional. I missed the
sentence. The description should actually be:
"molarity", and is used in the construction
"mole_concentration_of_X_in_Y", where X is a material constituent of Y.
A chemical or biological species denoted by X may be described by a
single term such as "nitrogen" or a phrase such as
"nox_expressed_as_nitrogen". "Dissolved inorganic nitrogen" describes a
family of chemical species which, in an ocean model, usually includes
nitrite, nitrate and ammonium which act as nitrogen nutrients.
"Dissolved inorganic nitrogen" is the term used in standard names for
all species belonging to the family that are represented within a given
model. The list of individual species that are included in a quantity
having a group chemical standard name 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.
Cheers,
Daniel
Am 2017-08-14 17:45, schrieb Lowry, Roy K.:
> Dear Daniel,
>
> We already have a
> 'mass_concentration_of_inorganic_nitrogen_in_sea_water, in which
> 'inorganic nitrogen' is defined as:
>
> 'Inorganic nitrogen' describes a family of chemical species which, in
> an ocean model, usually includes nitrite, nitrate and ammonium which
> act as nitrogen nutrients. 'Inorganic nitrogen' is the term used in
> standard names for all species belonging to the family that are
> represented within a given model. The list of individual species that
> are included in a quantity having a group chemical standard name 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.'
>
> My first comment is that either this Standard Name should be changed
> to mass_concentration_of_dissolved_inorganic_nitrogen_in_sea_water
> with references to 'inorganic nitrogen' in the definition changed to
> 'dissolved inorganic nitrogen' or your proposal should lose the
> 'dissolved'. My preference would be to have 'dissolved' in both
> Standard Names. Would you agree?
>
> My second comment is that whilst your proposal is for the
> 'mole_concentration' analogue to
> mass_concentration_of_inorganic_nitrogen_in_sea_water, your definition
> text whilst based on its definition, has been subtly changed with the
> first sentence removed. Was this intentional and if so why?
>
> Your proposal for iron looks fine to me.
>
> Cheers, Roy.
>
> Please note that I partially retired on 01/11/2015. I am now only
> working 7.5 hours a week and can only guarantee e-mail response on
> Wednesdays, my day in the office. All vocabulary queries should be
> sent to enquiries at bodc.ac.uk. Please also use this e-mail if your
> requirement is urgent.
>
> -------------------------
>
> FROM: CF-metadata <cf-metadata-bounces at cgd.ucar.edu> on behalf of
> Daniel Neumann <daniel.neumann at io-warnemuende.de>
> SENT: 14 August 2017 15:57
> TO: cf-metadata at cgd.ucar.edu
> SUBJECT: [CF-metadata] Two new oceanic standard names for inorganic
> nitrogen and iron
>
> Dear Mailinglist,
>
> I would like to propose two new standard names for oceanic
> parameters:
> mole_concentration_of_dissolved_inorganic_nitrogen_in_sea_water
> mole_concentration_of_dissolved_inorganic_iron_in_sea_water
>
> Reason for nitrogen:
> Dissolved inorganic nitrogen (DIN) and dissolved inorganic phosphorus
>
> (DIP) are a commonly used parameter in biogeochemical modelling.
> There
> exists no standard name for the first (DIN) yet.
>
> Reason for iron:
> There is a "tendency_of_ocean_mole_content_of_dissolved_inorganic_*"
> standard name existing for iron but no molar concentration. For
> completeness, I would like to add a standard name for mole
> concentration
> of inorganic iron in sea water.
>
> Further, I would like to suggest to remove a typo in
> "tendency_of_ocean_mole_content_of_dissolved_inorganic_nitrogen".
> Currently, the last sentences of its description reads 'Where
> possible,
> the data variableshould be accompanied by a complete description of
> the
> species represented, for example, by using a comment attribute.'.
> There
> is a space missing 'variableshould'.
>
> The full descriptions are given below (combined from existing
> description of other "mole_concentration_of_dissolved_inorganic_*"
> and
> "tendency_of_ocean_mole...nitrogen/iron").
>
> Regards,
> Daniel
>
> Name:
> mole_concentration_of_dissolved_inorganic_nitrogen_in_sea_water
>
> Description:
> Mole concentration means number of moles per unit volume, also called
>
> "molarity", and is used in the construction
> "mole_concentration_of_X_in_Y", where X is a material constituent of
> Y.
> A chemical or biological species denoted by X may be described by a
> single term such as "nitrogen" or a phrase such as
> "nox_expressed_as_nitrogen". "Dissolved inorganic nitrogen" is the
> term
> used in standard names for all species belonging to the family that
> are
> represented within a given model. The list of individual species that
>
> are included in a quantity having a group chemical standard name 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.
>
> Unit:
> mol m-3
>
> Name:
> mole_concentration_of_dissolved_inorganic_iron_in_sea_water
>
> Description:
> Mole concentration means number of moles per unit volume, also called
>
> "molarity", and is used in the construction
> "mole_concentration_of_X_in_Y", where X is a material constituent of
> Y.
> A chemical or biological species denoted by X may be described by a
> single term such as "nitrogen" or a phrase such as
> "nox_expressed_as_nitrogen". "Dissolved inorganic iron" means iron
> ions,
> in oxidation states of both Fe2+ and Fe3+, in solution.
>
> Unit:
> mol m-3
>
> --
> 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
>
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>
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> This is an unmoderated list for discussions about interpretation,
> clarification, and proposals for extensions or change to the CF
> conventions.
>
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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 Tue Aug 15 2017 - 01:11:48 BST
