[Go-essp-tech] DRS structure
Estanislao Gonzalez
estanislao.gonzalez at zmaw.de
Mon Aug 23 08:24:57 MDT 2010
Hi all,
I've realized we've been moving things from one place to another
regarding the DRS components, and the DRS Reference Syntax document
(from 7/4/2010) does not reflect this changes.
There are two major difference here:
1) versioning: the drslib tool is creating a structure which is, for the
time being, not drs conform. I totally agree with the new
version-component placement, but should that not be reflected in the DRS
syntax document?
2) in CMIP5 Best Practices for Data Publication stays that the
dataset_id should be:
cmip5.<product>.<institute>.<model>.<experiment>.<time_frequency>.<realm>.<ensemble>
I know the dataset_id is not required to necessary match any drs
structure. But I personally think we should avoid drs-similar
identifiers, as IMHO it increases confusion.
I think this solution helps solving some publishing problems, but
defines a new dataset level, the "ensemble dataset". And the
realm-dataset is not being used anywhere else (or am I missing something?)
I'm not aware of the reasons behind the definition of the DRS structure
as it currently is. But I think, we should avoid drifting away from that
document. In any case the document should be updated first.
If I try to join all changes and proposals I've heard of, AFAIC the DRS
structure we are going to appears to look something like:
cmip5.<product>.<institute>.<model>.<experiment>.<time_frequency>.<realm>.<ensemble>.<version>.<variable>
Which is different from the original:
cmip5.<product>.<institute>.<model>.<experiment>.<time_frequency>.<realm>.<variable>.<ensemble>.<version>
Can anyone with more knowledge on the subject comment on this?
Thanks,
Estani
--
Estanislao Gonzalez
Max-Planck-Institut für Meteorologie (MPI-M)
Deutsches Klimarechenzentrum (DKRZ) - German Climate Computing Centre
Room 108 - Bundesstrasse 45a, D-20146 Hamburg, Germany
Phone: +49 (40) 46 00 94-126
E-Mail: estanislao.gonzalez at zmaw.de
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