[CF-metadata] Question about Coordinate System

[Philip Bentley]

Hi All,

Following discussions with Jonathan I have offered to work up an initial
specification document describing additional CF grid mapping attributes
suitable for recording common coordinate reference system (CRS)
parameters. The intention is to base these upon existing CRS
standardisation initiatives being worked on by OGC, EPSG and others.
Consequently, the initial proposals are likely to focus on 2D
geographic/projected CRS's, and associated geodetic datums, since (a)
the aforementioned standards initiatives historically have also focussed
on such CRS's, and (b) it reflects my own knowledge base. As an earth
scientist I'm afraid that I have scant knowledge of, for example,
engineering CRS's!

Hopefully, however, this initial specification will provide a useful
document for further discussion, elaboration and refinement.

Kind Regards,

Phil
--
Phil Bentley PhD  CR Data Applications Manager
Met Office  Hadley Centre for Climate Change
FitzRoy Road  Exeter  EX1 3PB  United Kingdom
Tel: +44 (0)1392 884105  Fax: +44 (0)1392 885681
E-mail: philip,bentley at metoffice.gov.uk  http://www.metoffice.gov.uk
 

On Sun, 2007-03-04 at 16:39 +0000, Jonathan Gregory wrote:

> Dear Roy, CJ, Karl, Phil et al.
> 
> I agree it would be good to build on EPSG and OGC for conventions to define
> the geoid. Would someone be able to work out a specific proposal for the CF
> standard? I think it is likely that, as in other cases, it will not be possible
> to import the existing conventions wholesale as they won't provide exactly
> what we need. It requires someone to study the problem and devise a convention.
> 
> Cheers
> 
> Jonathan
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> CF-metadata at cgd.ucar.edu
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