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CVDP historical CMIP5

ankurmahesh

New Member
I am interested in using the CVDP output for CMIP5 historical runs. I downloaded the CVDP output data for CMIP5 available on the CVDP data repository (http://www.cesm.ucar.edu/working_groups/CVC/cvdp/data-repository.html)

The CVDP filenames are of the format:

CNRM-CM5_0.cvdp_data.1900-2005.nc
CNRM-CM5_1.cvdp_data.1900-2005.nc
CNRM-CM5_2.cvdp_data.1900-2005.nc
CNRM-CM5_3.cvdp_data.1900-2005.nc
CNRM-CM5_4.cvdp_data.1900-2005.nc

and so on. What does the "0/1/2/3/4" represent? The CNRM-CM5 data on ESGF follows the rip nomenclature (i.e. r1i1p1). See below screenshot from https://esgf-node.llnl.gov/search/esgf-llnl/
Screenshot from 2019-09-30 14-21-47.png

How do I map a filename like "CNRM-CM5_0.cvdp_data.1900-2005.nc" to the corresponding model output from CMIP5? Thanks so much for your help!
 
Last edited:

asphilli

Adam Phillips
CVCWG Liaison
Staff member
My apologies for the late reply. This forum was recently converted/upgraded and I was not receiving notices of new CVDP postings.

To answer your query: To run the CVDP the user has to set up a file (named namelist) that specifies the location of the model data, the start and end year of analysis, and whatever name you would like to call the specific model run. In this particular case, the namelist can be found here:
http://webext.cgd.ucar.edu/Multi-Case/CVDP_repository/cmip5.historical/namelist

I chose to refer to the models as CNRM-CM5_0, CNRM-CM5_1, instead of (say) CNRM-CM5 r1i1p1, CNRM-CM5 r2i1p1. I will definitely consider changing my naming to reflect the actual CMIP ID run name in future comparisons. In the above linked namelist you can see what name corresponds to what run by looking at the first column (my chosen names) and the end of the directory structure in column 2. For example:
CNRM-CM5_0 | /project/cmip5/ETH/cmip5/historical/{Amon,LImon,Omon}/*/CNRM-CM5/r1i1p1/ | 1900 | 2005

Hope that helps!
Adam
 
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