Dear Ian,
Yes, your explanation is clear enough, thank you; perhaps it would be nice in that case to turn the water flux standard name into "upward_water_flux_out_of_ocean_affecting_sea_surface_height_above_geiod". As it is a very, very long attribute I guess it is possible in CF to make an alias with "upward_water_flux_out_of_ocean_affecting_SSH" (ie SSH=sea_surface_height_above_geiod)? Yes?
Kind regards
Olivier.
-----Message d'origine-----
De?: Ian Culverwell [mailto:ian.culverwell at metoffice.gov.uk]
Envoy??: jeudi 10 juillet 2008 09:56
??: olivier lauret
Cc?: Ian Culverwell; cf-metadata at cgd.ucar.edu
Objet?: RE: [CF-metadata] Proposed CF standard names for the NEMO oceanmodel
Dear Olivier,
On Thu, 2008-06-26 at 17:04 +0100, Ian Culverwell wrote:
> > For example by 'SSH' you perhaps mean 'sea surface height', and there are 3 kinds of different sea surface heights in the CF standard name table. What kind of SSH would it match? Do you think it changes the meaning of (T3) not to mention 'affecting_SSH'? I'm asking this because I am not sure it is..But I way be wrong, please tell me.
>
> I didn't know about 3 types of SSH - I'll think about what I mean
> precisely and get back to you when I return from vacation in the week
> beginning Jul 7th.
I've had time to think about this now - thanks for your patience.
The water flux in T.3 ("upward_water_flux_out_of_ocean_affecting_SSH")
is the one that affects the sea_surface_height_above_geiod. It differs
from T.5 ("upward_water_flux_out_of_ocean_affecting_SSS") by terms
involving salt and freshwater fluxes from sea-ice - at least in the NEMO
formulation. I don't know whether in observational reality one could or
should distinguish between the two, but they're different in the model
and so we need different standard names. Hence the qualifications
"..._affecting_X".
Hope this clears things up a bit.
Regards,
Ian.
--
Ian Culverwell B-2-81 Ocean and Sea Ice Modelling
Met Office FitzRoy Road Exeter Devon EX1 3PB United Kingdom
Tel: +44 (0)1392 884017 Fax: +44 (0)1392 885861
E-mail: ian.culverwell at metoffice.gov.uk http://www.metoffice.gov.uk
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