Hi Alison and Philip,
I agree with each of your comment.
Best regards,
Christophe
On 22/01/2013 19:31, Cameron-smith, Philip wrote:
Hi Alison, Christophe, et al.,
I agree that this name follows existing patterns.
It would be good to add a comment similar to the one we added for
atmosphere_mole_content_of_ozone (although we don't currently have the
corresponding layer version of
equivalent_thickness_at_stp_of_atmosphere_ozone_content, so the wording will
need to be tweaked):
"N.B. Data variables containing column content of ozone can be given the standard
name of either equivalent_thickness_at_stp_of_atmosphere_ozone_content or
atmosphere_mole_content_of_ozone.The latter name is recommended for consistency with mole
content names for chemical species other than ozone."
Although this shouldn't affect the current proposal, I note for the record that
it seems strange that for the Integral of the whole atmosphere our pattern is:
atmosphere_X_content
But for a partial integral we put 'atmosphere' after X:
X_content_of_atmosphere_layer
Best wishes,
Philip
-----------------------------------------------------------------------
Dr Philip Cameron-Smith, [email protected], Lawrence Livermore National Lab.
-----------------------------------------------------------------------
-----Original Message-----
From: CF-metadata [mailto:[email protected]] On Behalf Of
[email protected]
Sent: Tuesday, January 22, 2013 6:30 AM
To: [email protected]; [email protected]
Cc: [email protected]
Subject: Re: [CF-metadata] standard name for ozone partial column in
atmosphere layer
Dear Christophe,
Thank you for proposing this name. I think
mole_content_of_ozone_in_atmosphere_layer is the correct name and it is
consistent with existing names such as
mass_content_of_water_in_atmosphere_layer. The canonical units would be
mol m-2 as for the total column name. Regarding your suggested definition, I
think we could delete the third sentence:
"mole_content_of_X_in_atmosphere_layer" means the vertically integrated
number of moles of X above a unit area" as it is essentially repeating the
information contained in the previous two sentences, but otherwise it looks
fine.
Best wishes,
Alison
------
Alison Pamment Tel: +44 1235 778065
NCAS/British Atmospheric Data Centre Email: [email protected]
STFC Rutherford Appleton Laboratory
R25, 2.22
Harwell Oxford, Didcot, OX11 0QX, U.K.
-----Original Message-----
From: CF-metadata [mailto:[email protected]] On Behalf
Of Christophe Lerot
Sent: 22 January 2013 09:35
To: [email protected]
Cc: Jacob van Peet
Subject: [CF-metadata] standard name for ozone partial column in
atmosphere layer
Dear all,
Similarly to what has been done for total ozone columns, some
colleagues of mine would need a standard name for ozone partial
columns in defined layers of the atmosphere.
Therefore, I'd like to propose such a standard name based on the one
corresponding to total ozone
"mole_content_of_ozone_in_atmosphere_layer":
"Content" indicates a quantity per unit area. The
"content_of_X_in_atmosphere_layer" refers to the vertical integral
between two specified levels in the atmosphere.
"mole_content_of_X_in_atmosphere_layer" means the vertically
integrated number of moles of X above a unit area. "Layer" means any
layer with upper and lower boundaries that have constant values in
some vertical coordinate. There must be a vertical coordinate variable
indicating the extent of the layer(s). If the layers are model layers,
the vertical coordinate can be model_level_number, but it is
recommended to specify a physical coordinate (in a scalar or auxiliary
coordinate variable) as well. For the mole content integrated from the
surface to the top of the atmosphere, standard names including
"atmosphere_mole_content_of_X"
are
used. The chemical formula for ozone is O3.
"mole_content_of_ozone_in_atmosphere_layer" is usually measured in
Dobson Units which are equivalent to 446.2 micromoles m-2.
Thank you for considering this.
Best wishes,
Christophe
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Dr. Christophe LEROT
Belgian Institute for Space Aeronomy
Chemistry & Physics of Atmospheres
Avenue circulaire, 3
1180 Brussels
Belgium
phone: +32/(0)2-3730-407
mobile: +32/(0)472-81.87.00
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Dr. Christophe LEROT
Belgian Institute for Space Aeronomy
Chemistry & Physics of Atmospheres
Avenue circulaire, 3
1180 Brussels
Belgium
phone: +32/(0)2-3730-407
mobile: +32/(0)472-81.87.00
mail: [email protected]
url: http://uv-vis.aeronomie.be/
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