[Go-essp-tech] CMIP5 Datanode : data access services.
Cinquini, Luca (3880)
Luca.Cinquini at jpl.nasa.gov
Mon May 2 07:38:41 MDT 2011
Hi Sebastian,
the ESGF security infrastructure can be used for opendap access - infact, this is already working at JPL. Once opendap
access is configured with security, users can use either a browser or an esg-enabled client to access datasets.
I will try to write some documentation on the esgf.org wiki either this evening or tomorrow, and then let you try it out...
thanks for raising the issue, I meant to start an email conversation on this but never quite got to it...
Luca
On May 2, 2011, at 7:32 AM, Sébastien Denvil wrote:
> Dear all,
>
> we received increasing demand asking for regional model boundary
> conditions from CMIP5 simulations. Those datasets are heavy and
> therefore "wget" is not my favourite answer. I would like this answer to
> be base on a ESG-F solution and not a home made one.
>
> In order to build a meaningful response I would like to know what are
> the plan regarding the datanode to have :
> - openDAP enable with CMIP5 filters.
> - netCDF subsets enable with CMIP5 filters.
> * openDAP and/or netCDF subsets will be very useful for those
> focusing on a specific region (Africa OR Asia for example). They could
> then extract only the area of interest.
>
> - gridFTP enable with CMIP5 filters.
> *gridFTP will be very useful for those focusing on many regions
> and/or doing the CORDEX exercise but without a limited area model. It's
> very likely that they will download the whole datasets.
>
> My understanding is that gridFTP is not fully functional at this point
> of time and that openDAP and netCDF subsets are not yet secure by the
> ESG-F security layer.
>
> A corollary coming from those questions : Is there a documentation we
> could refer to if we want to update a production data node?
>
> Please refine my understanding.
>
> Thanks.
> Sébastien
>
> --
> Sébastien Denvil
> IPSL, Pôle de modélisation du climat
> UPMC, Case 101, 4 place Jussieu,
> 75252 Paris Cedex 5
>
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> Fax: 33 1 44 27 39 02
>
>
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