[Seavox] Draft mapping

[Roy Lowry]

Dear All,

I'm starting to dip my toe into the development of a parameter ontology that will eventually cover BODC Discovery Vocabulary, GCMD Science Keywords and CF Standard Names.  The big step forward from the existing map is that this one now introduces the simple thesaurus relationships narrower, broader and synonymous rather than just an indication that the terms are related.

Attached is my first bash covering about 5% of the BODC PDV to GCMD.  It's as an Excel spreadsheet, which I thought would be easiest for most of you, with BODC PDV terms, GCMD terms and the mappings each way.  Any comments welcome before I go into mass production.  One issue causing me unease is  that I've mapped many BODC terms broader even though I think the parameter dimension is synonymous because I see the concept of 'water column' as broader than 'Oceans' - more equivalent to the GCMD 'Hydrosphere', so views on this are of particular interest.  I also now realise that splitting nitrate+nitrite from nitrate in the BODC PDV wasn't a smart move!

Cheers, Roy.

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