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GOV-GSOP-CLIVAR Workshop 2013

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Ocean Reanalyses Intercomparison Workshop 2013

ECMWF workshop website


The CLIVAR GSOP/GODAE Ocean View Ocean Reanalyses Intercomparison Workshop has been held at ECMWF from the 1st to the 3th of July 2013.

Programme - posted 26 June 2013

Participants - posted 26 June 2013


Background information

Several ocean reanalyses products are produced worldwide with different purposes and methodologies. The intercomparison exercise aims at understanding the consistency and differences in the products under different metrics, evaluation of fit-for-purpose products, and exploitation of this variety of reanalysis using the ensemble approach to target different areas:

  • Routine monitoring of indices of societal relevance with uncertainty estimates using the ensemble.
  • Production of robust data sets for understanding the ocean and for initializing and evaluating decadal prediction and IPCC models.
  • Recommendations for future reanalyses production by identifying the weakness of existing approaches and the suitability of the ensemble approach.

Expected outcomes

  1. Evaluation of reanalysis performance on the representation of relevant ocean variables (ocean heat content, mixed layer depth, steric height, sea level, 20-degree Isotherm, salinity, surface heat fluxes, transports, sea-ice).
  2. Recommendations on how to make the results and data accessible to the wide climate community.
  3. Recommendations on how to proceed regarding the routine monitoring of relevant indices.
  4. Recommendations on how to improve the ocean observing system, assimilation methods, models and surface fluxes.


The workshop attendance is by invitation only. If you have and queries about the meeting please contact the organizer.

Useful information on ECMWF web site:



Contact Workshop organizer

Dr Magdalena Balmaseda (ECMWF) Administrative assistance for the workshop is provided by Els Kooij-Connally (els.kooij@ecmwf.int).