1 The GEMS production systems and retrospective reanalysis Adrian Simmons.
Slide 1 ECMWF Data Assimilation Training Course – May 2010 Ensemble Data Assimilation Massimo Bonavita ECMWF Acknowledgments: Lars Isaksen, Elias Holm,
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FOCRAII-9, Beijing 10 th April 2013 © ECMWF ECMWF long range forecast systems Dr. Tim Stockdale European Centre for Medium-Range Weather Forecasts.
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Daniel Paul Tyndall 4 March 2010 Department of Atmospheric Sciences University of Utah Salt Lake City, UT.
Ensemble-variational sea ice data assimilation Anna Shlyaeva, Mark Buehner, Alain Caya, Data Assimilation and Satellite Meteorology Research Jean-Francois.
Craig Schwartz and Zhiquan Liu NCAR/NESL/MMM schwartz@ucar
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An Investigation of Strong and Weak Constraints to Improve Variational Surface Analyses
Data assimilation in RTOFS