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RISThe Use of an Ensemble Approach to Study the Background Error Covariances in a Global NWP Model
Publisher: American Meteorological Society
Abstract: The estimation of the background error statistics is a key issue for data assimilation. Their time average is estimated here using an analysis ensemble method. The experiments are performed with the nonstretched version ...
The Evolution of Dispersion Spectra and the Evaluation of Model Differences in an Ensemble Estimation of Error Statistics for a Limited-Area Analysis
Publisher: American Meteorological Society
Abstract: An ensemble of limited-area forecasts has been obtained by integrating the Aire Limitée Adaptation Dynamique Développement International (ALADIN) limited-area model, in cold-starting mode, from an ensemble of Action de ...