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Accounting for an imperfect model in 4D-Var

✍ Scribed by Yannick Tr'emolet


Book ID
111775862
Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
249 KB
Volume
132
Category
Article
ISSN
0035-9009

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## Abstract The justification for the standard four‐dimensional variational data assimilation (4D‐Var) method used at several major operational centres assumes a perfect forecast model, which is clearly unrealistic. However, the method has been very successful in practice. We investigate the reason