In a comprehensive review, the SPARC S-RIP activity has conducted a coordinated intercomparison of reanalysis data sets with respect to key diagnostics. The results can be used to provide guidance on the appropriate use of reanalysis products in scientific studies of relevance to SPARC and beyond.
SPARC Reanalysis Intercomparison Project (S-RIP) Final Report can be found here (SPARC Report No. 10).
Edited by SPARC S-RIP activity team: https://www.sparc-climate.org/activities/reanalysis-intercomparison/ and https://s-rip.ees.hokudai.ac.jp/