#145: Subconvention for associated files, proposed for use in CMIP6
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Reporter: jonathan | Owner: cf-conventions@…
Type: enhancement | Status: new
Priority: medium | Milestone:
Component: cf-conventions | Version:
Resolution: | Keywords:
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Comment (by balaji):
I agree with David, without `cell_measures` there is much greater chance
of error. Even if people deduce these may be in an external file, there
could be more than one: for example, a different `areacello` variable for
quantities on a staggered grid. `cell_measures` will indicate which
`areacello` corresponds to which variable.
To summarize the proposal is:
* `external_variables` to be included in CF, containing a comma-separated
list of variables names possibly referenced in the file, but not present
in the file.
* `cell_measures` to be a CMIP requirement where cell areas and volumes
cannot be computed from coordinate variables alone.
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Ticket URL: <http://cf-trac.llnl.gov/trac/ticket/145#comment:34>
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