Hi Martin -

Unless UGRID and CMIP6 are 'additional conventions for a specific subset
of [CF} data' I think these terms should be separated by spaces, not slashes.

We took that approach in OceanSITES and in ACDD; although these other
conventions use CF, they're 'stand-alone' in some ways.

I'm glad you mentioned this page, I'll see if I can add OceanSITES there
too.

Cheers - Nan


On 7/29/15 5:04 AM, [email protected] wrote:
Continuing thread: 
http://mailman.cgd.ucar.edu/pipermail/cf-metadata/2015/058036.html

Hello All,

I'd like to pick up this thread again. The min motivation of raising it was to get a 
change to the following line in the draft 1.7 conformance document (in section 2.6.1) 
'Files that conform to the CF version 1.5 conventions must indicate this by setting the 
global Conventions attribute to the string value "CF-1.5"'.

As Nan has pointed out, the UNIDATA FTP page 
(ftp://ftp.unidata.ucar.edu/pub/netcdf/Conventions/) is no longer the 
authoritative location for NetCDF conventions, having been superseded by 
http://www.unidata.ucar.edu/software/netcdf/conventions.html : so it would make 
sense to update the reference to the FTP page in the CF Conventions document.

It looks to me as though that page has a clear and well thought out definition of the use of the 
Conventions attribute, and it would make sense to adopt it. For the specific cases of UGRID and 
CMIP it looks as though "CF-1.7/CMIP6" or "CF-1.7/UGRID/CMIP6" would be 
appropriate.

For UGRID, this approach would be cleaner if the UGRID convention was actually 
registered and referenced on 
http://www.unidata.ucar.edu/software/netcdf/conventions.html -- I'll look into 
that, and the same applies to CMIP conventions.

regards,
Martin












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* Nan Galbraith                        (508) 289-2444 *
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