Thursday, 28 June 2007: 8:15 AM
Summit B (The Yarrow Resort Hotel and Conference Center)
Based on statistics of observations minus forecasts, observations minus analysis and analysis minus forecasts (Desroziers et al., 2006), we develop a method to estimate online simultaneously observation error covariance and the optimal inflation for the Local Ensemble Transform Kalman Filter (LETKF). Experiments with perfect model simulations with the Lorenz (1996) and the global SPEEDY model show very promising results.
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