Hi Bryan,
This is a satellite track. Model data will be sampled along this
satellite track, and the data will be stored as a 'curtain' of vertical
profiles, with each point defined by (lon,lat,time).
Cheers,
Alejandro
On Wed, 2009-09-16 at 09:49 +0100, Bryan Lawrence wrote:
> Hi Alejandro
>
> > This is going to be used as the horizontal
> > dimension for a stream of atmospheric vertical profiles (e.g.
> > temperature(position,height)). It will be an index running from 1 to N
> > (number of profiles). Then, the variables [latitude(position),longitude
> > (position),time(position)] will give the geographical position and time
> > of the profiles. Is there any CF standard name suitable for this?
>
> this is really a special case of the observational data issue.
>
> we have this with profiles from flights, ships etc, intersections between observations on the ground and swaths overhead etc ...
>
> So, in this case, is there an intrinsic meaning (as Jonathan is implicitly asking)? What
> does this position actually mean?
>
> Bryan
>
>
> On Wednesday 16 September 2009 08:58:54 Jonathan Gregory wrote:
> > Dear Alejandro
> >
> > Ah, I see. No, I don't think there is a standard name for that. If the index
> > had some meaning e.g. if it was a standardised station number, a standard name
> > could indicate that. If it is purely an index with no intrinsic meaning, I am
> > not sure that it would add any information to give it a standard name. What do
> > you think? In a sense, I would say that the variable exists only because it is
> > not possible to construct the netCDF file without it. All you're really
> > interested in is its dimension.
> >
> > Cheers
> >
> > Jonathan
> > _______________________________________________
> > CF-metadata mailing list
> > CF-metadata at cgd.ucar.edu
> > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
> >
>
>
>
--
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Dr Alejandro Bodas-Salcedo Earth Observation Research Scientist
Met Office Hadley Centre
FitzRoy Rd Exeter EX1 3PB United Kingdom
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E-mail: alejandro.bodas at metoffice.gov.uk http://www.metoffice.gov.uk
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Received on Wed Sep 16 2009 - 03:14:43 BST
