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Data assimilation in atmospheric chemistry and air quality

H. Elbern, E. Friese, L. Nieradzik, and J. Schwinger

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

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0022
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

This chapter discusses data assimilation in atmospheric chemistry and air quality. Atmospheric chemistry dynamics and its simulations are significantly forced by emissions, in addition to other ... More


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

Éric Blayo, Marc Bocquet, Emmanuel Cosme, and Leticia F. Cugliandolo (eds)

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
book
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.001.0001
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

This book gathers notes from lectures and seminars given during a three-week school on theoretical and applied data assimilation held in Les Houches in 2012. Data assimilation aims at determining as ... More


Data assimilation in meteorology

F. Rabier and M. Fisher

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

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0019
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

This chapter discusses some of the implementation details that are necessary to apply data assimilation in the context of numerical weather prediction (NWP). It is divided into three parts. The first ... More


Data assimilation in coastal oceanography: IS4DVAR in the Regional Ocean Modelling System (ROMS)

J. Zavala-Garay, J. Wilkin, and J. Levin

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

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0024
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

This chapter presents examples of variational data assimilation in coastal oceanography using the Regional Ocean Modeling System (ROMS). Realizing that satellite data is the only source of ... More


Four-dimensional variational data assimilation

A. C. Lorenc

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

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0002
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

In this chapter, four-dimensional variational data assimilation (4D-VAR) is discussed in the context of numerical weather prediction (NWP). The analysis step in an NWP data assimilation cycle ... More


Multigrid algorithms and local mesh refinement methods in the context of variational data assimilation

L. Debreu, E. Neveu, E. Simon, and F.-X. Le Dimet

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

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0017
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

This chapter looks at the use of multigrid methods and local mesh refinement algorithms in the context of the variational data assimilation method. Firstly, the chapter looks back at basic properties ... More


Second-order methods for error propagation in variational data assimilation

F.-X. Le Dimet, I. Gejadze, and V. Shutyaev

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

Published in print:
2014
Published Online:
March 2015
ISBN:
9780198723844
eISBN:
9780191791185
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780198723844.003.0014
Subject:
Physics, Geophysics, Atmospheric and Environmental Physics

This chapter discusses the use of second-order methods for estimating error propagation in variational data assimilation. The basic variational approach to data assimilation exhibits the optimality ... More


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