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Error Propagation in Variational Data Assimilation

Abstract : The approach of Data Assimilation via Optimal Control Methods leads to a dynamical system: the Optimality System in which all the available information is gathered. The propagation of uncertainties must be carried out not just from the model but from the O.S. I introduced a second adjoint from where the evaluation of the dynamics of uncertainties are studied.
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Submitted on : Monday, February 11, 2013 - 4:57:06 PM
Last modification on : Friday, November 18, 2022 - 9:25:48 AM


  • HAL Id : hal-00787278, version 1



François-Xavier Le Dimet, M.Yussuf Hussaini, David Furbish, Igor Yu. Gejadze, Victor P. Shutyaev. Error Propagation in Variational Data Assimilation. ECODYC 2010 - Exploring Complex Dynamics in High-Dimensional Chaotic Systems: From Weather Forecasting to Oceanic Flows, Jan 2010, Dresde, Germany. ⟨hal-00787278⟩



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