I remember doing a similar exercise several years back. The COARDS-unique 
contribution was a very thin thread indeed, in my opinion. COARDS is very old 
now, and relatively to CF, was pretty primitive at its completion. I would be 
surprised if it is in use at all. At this point, I think "COARDS-inspired" 
might be closer to the truth, and more useful framing.

John


On Oct 23, 2018, at 9:36 AM, Nan Galbraith 
<[email protected]<mailto:[email protected]>> wrote:


Thanks, that's great. While I agree that we need to mention standard names, I 
don't think we can say 'precise definition of each variable via specification 
of a standard name' though, because CF allows variables without standard names.

Also, I'm afraid some of the details might be better omitted, like 'describes 
the vertical locations corresponding to dimensionless vertical coordinate 
values' - which may only confuse people. You covered that nicely with 'spatial 
and temporal properties of the data', I think.

Last, in a brief description of CF, could we consider omitting references to 
COARDS? I realize it's good to keep that in the CF docs, but ... is there any 
part of COARDS that's not described in those docs? I'm almost sure the answer 
is no. I went to check, however the link to COARDS from 
unidata.ucar.edu/software/netcdf/conventions.html<http://unidata.ucar.edu/software/netcdf/conventions.html>
 is broken. Hmm, that tells us something, too.

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John Graybeal
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Center for Expanded Data Annotation and Retrieval /+/ NCBO BioPortal
Stanford Center for Biomedical Informatics Research
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