[CF-metadata] Need for a new vertical coordinate definition: "Ocean generalized sigma coordinate"

[Brian Eaton]

On Wed, Dec 22, 2004 at 09:18:22AM -0500, Rich Signell wrote:
> ...
> therefore the whole 4D field of "s" positions must be saved.   At this 
> point, we might just as well specify the 4D field of z values directly, 
> as there is  no savings in the dimensionless vertical coordinate.    But 
> does CF allow the depth variable to be specified as a 4D field?   

I agree that saving the 4D field of z values directly would be better.  The
conventions allow this via the auxiliary coordinates attribute.

Brian