OXFORD UNIVERSITY PRESS

Advanced Data Assimilation for Geosciences: Lecture Notes of the Les Houches School of Physics: Special Issue, June 2012

ISBN : 9780198723844

参考価格(税込): 
¥7,614
著者: 
Eric Blayo; Marc Bocquet; Emmanuel Cosme; Leticia F. Cugliandolo
ページ
608 ページ
フォーマット
Hardcover
サイズ
186 x 254 mm
刊行日
2014年11月
シリーズ
Lecture Notes of the Les Houches Summer School
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印刷

Data assimilation aims at determining as accurately as possible the state of a dynamical system by combining heterogeneous sources of information in an optimal way. Generally speaking, the mathematical methods of data assimilation describe algorithms for forming optimal combinations of observations of a system, a numerical model that describes its evolution, and appropriate prior information. Data assimilation has a long history of application to high-dimensional geophysical systems dating back to the 1960s, with application to the estimation of initial conditions for weather forecasts. It has become a major component of numerical forecasting systems in geophysics, and an intensive field of research, with numerous additional applications in oceanography, atmospheric chemistry, and extensions to other geophysical sciences. The physical complexity and the high dimensionality of geophysical systems have led the community of geophysics to make significant contributions to the fundamental theory of data assimilation. This book gathers notes from lectures and seminars given by internationally recognized scientists during a three-week school held in the Les Houches School of physics in 2012, on theoretical and applied data assimilation. It is composed of (i) a series of main lectures, presenting the fundamentals of the most commonly used methods, and the information theory background required to understand and evaluate the role of observations; (ii) a series of specialized lectures, addressing various aspects of data assimilation in detail, from the most recent developments of the theory to the specificities of various thematic applications.

目次: 

PART I - KEY LECTURES
1. 4D-VAR: four dimensional variational assimilation
2. Four-dimensional variational data assimilation
3. Introduction to the Kalman filter
4. Smoothers
5. Observation influence diagnostic of a data assimilation system
6. Observation impact on the short range forecast
PART II - SPECIALIZED LECTURES
7. Background error covariances: estimation and specification
8. Observation error specifications
9. Errors. A posteriori diagnostics
10. Error dynamics in ensemble Kalman filter systems: Localization
11. Short-range error statistics in an ensemble Kalman filter
12. Error dynamics in ensemble Kalman filter systems: System error
13. Particle filters for the geosciences
14. Second order methods for error propagation in variational data assimilation
15. Adjoints by automatic differentiation
16. Assimilation of images
17. Multigrid algorithms and local mesh refinement methods in the context of variational data assimilation
18. Selected topics in multiscale data assimilation
19. Data assimilation in meteorology
20. An introduction to inverse modelling and parameter estimation for atmospheric and oceanic sciences
21. Greenhouse gas fluxes inversion
22. Data assimilation in atmospheric chemistry and air quality
23. Combining models and data in large-scale oceanography: examples from the consortium for Estimating the Circulation and Climate of the Ocean (ECCO)
24. Data assimilation in coastal oceanography: IS4DVAR in the Regional Ocean Modeling System (ROMS)
25. Data assimilation in glaciology

著者について: 

Eric Blayo is a Professor in applied mathematics at the University of Grenoble. He is leading a research team working on the development of mathematical and numerical methods for environmental applications.; Marc Bocquet is a Professor and Senior Researcher at the environment research centre (CEREA), a joint laboratory of Ecole des Ponts ParisTech and EDF R&D. He is working in the field of data assimilation in geosciences.; Emmanuel Cosme obtained his PhD in Earth Sciences at the University of Grenoble in 2002. Thereafter, he worked during 2 years on data assimilation for air quality in Canada, and moved back to Grenoble as an Associate Professor, to specialise in ocean data assimilation.; Leticia F. Cugliandolo: Laboratoire de Physique Theorique et Hautes Energies Universite Pierre et Marie Curie - Paris 6, Paris, France.

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