Re: [CF-metadata] seeking CF name for total water column height

2010-02-02 Thread Lowry, Roy K
Dear Jonathan, The alias structure has developed into a deprecation mechanism and some of the more recent corrections have changed the meanings of the terms, so that the term and its alias are no longer synonyms. Using the alias mechanism to establish synonyms between undeprecated terms invite

Re: [CF-metadata] seeking CF name for total water column height

2010-02-02 Thread Jonathan Gregory
Dear John Yes, good suggestion, we could adopt a new pattern vertical_distance_between_X and_Y for cases where "thickness" sounds peculiar. Aliases are really intended for cases where we make mistakes or change our minds, rather than to provide synonyms deliberately. We've preferred to force ours

Re: [CF-metadata] seeking CF name for total water column height

2010-02-02 Thread John Graybeal
Perhaps the infamous aliases would be an appropriate technique? I seem to recall that aliases are considered OK in some cases in CF, or am I remembering that incorrectly? I like the idea of 'distance_between_sea_floor_and_sea_surface' myself, rather than 'thickness_of_ocean' (though the la

[CF-metadata] seeking CF name for total water column height

2010-02-02 Thread Jonathan Gregory
Dear Jeff and Roy I agree, it is arbitrary whether it is called sea_floor_depth_below_sea_surface or sea_surface_height_above_sea_floor and I agree with Roy that consistency with existing names would suggest the former. It's interesting that this kind of ambiguity hasn't arisen before. What you w