Science Highlights
27 May 2026

New Version (v3) of Archiving Specifications for CORDEX-CMIP6 Dynamical Downscaling Released

 Cordex

A new version (v3) of the CORDEX-CMIP6 archiving specifications for dynamical downscaling are now available to be applied for the upcoming publication of CORDEX-CMIP6 data in ESGF Next Generation (ESGF-NG). This new version introduces minor revisions aimed at resolving inconsistencies identified by the community, and to make explicit some existing practices in the community; notably, to enable the publication of ocean and other model component output on different grids. It also points to the quality checking tools that can be used to test the model output for compliance with the specifications. A major change is the strong recommendation to repack the internal structure of all output files, as a final step in the post-processing. Failing to do so will hinder data replication and efficient use of CORDEX data on ESGF-NG. This release replaces the previous version from May 2025 and should be used for all CORDEX-CMIP6 dynamical downscaling outputs.

Find the updated archiving specifications document in Zenodo and visit the CORDEX-CMIP6 Archiving Specifications for Dynamical Dowscaling webpage 

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