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Viac informácií o knihe Data Assimilation Fundamentals

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This open access textbook's significant contribution is the unified derivation of data-assimilation techniques from a common fundamental and optimal starting point, namely Bayes' theorem. Unique in this book is the "top-down" derivation of the assimilation methods. It starts from Bayes theorem and gradually introduces the assumptions and approximations needed to arrive at today's popular data-assimilation methods. This strategy is the opposite of most textbooks and reviews on data assimilation that typically take a bottom-up approach to derive a particular assimilation method. E.g., the derivation of the Kalman filter from control theory, and the derivation of the ensemble Kalman filter as a low-rank approximation of the standard Kalman filter. The bottom-up approach derives the assimilation methods from different mathematical principles, making it difficult to compare them. Thus, it is unclear which assumptions are made to derive an assimilation method and sometimes even which problem it aspires to solve. Its top-down approach allows to categorize data-assimilation methods based on the approximations used. This approach enables the user to choose the most suitable method for a particular problem or application. Have you ever wondered about the difference between the ensemble 4DVar and the "ensemble randomized likelihood" (EnRML) methods? Do you know the differences between the Ensemble Smoother and the Ensemble Kalman Smoother? Would you like to understand how a particle flow is related to a particle filter? In this book, we will provide clear answers to several such questions. The book provides for an advanced course in data assimilation, focusing on the unified derivation of the methods. It is suitable for graduate students pursuing a master's or Ph.D. thesis, post docs, and scientists and practitioners working in data assimilation.

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Zaradenie knihy Knihy po anglicky Earth sciences, geography, environment, planning Earth sciences

• Celý názov: Data Assimilation Fundamentals
• Podnázov: A Unified Formulation of the State and Parameter Estimation Problem
• Autor: Geir Evensen, Femke Vossepoel, Peter Jan Van Leeuwen
• Jazyk: Angličtina
• Väzba: Pevná
• Počet strán: 245
• EAN: 9783030967086
• ID: 38627446
• Nakladateľ: Springer Nature Switzerland AG
• Hmotnosť: 578 g
• Rozmery: 242 × 161 × 21 mm
• Dátum vydania: 23. April 2022

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