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A Graph Clustering Approach to Localization for Adaptive Covariance Tuning in Data Assimilation Based on State-Observation Mapping |
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| Authors: | Cheng Sibo Argaud Jean-Philippe Iooss Bertrand Ponçot Angélique Lucor Didier |
| Institution: | 1.EDF R&D, Ile-de-France, France ;2.CNRS, Laboratoire Interdisciplinaire des Sciences du Numérique, Université Paris-Saclay, Orsay, France ;3.Institut de Mathématiques de Toulouse, Université Paul Sabatier, Toulouse, France ; |
| Abstract: | Mathematical Geosciences - An original graph clustering approach for the efficient localization of error covariances is proposed within an ensemble-variational data assimilation framework. Here,... |
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