An ensemble of perturbed analyses to approximate the analysis error covariance in 4dvar

The analysis error covariance is not readily available from four-dimensional variational (4dvar) data assimilation methods, not because of the complexity of mathematical derivation, but rather its computational expense. A number of techniques have been explored for more readily obtaining the analysi...

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Main Authors: H. Ngodock, I. Souopgui, M. Carrier, S. Smith, J. Osborne, J. D’Addezio
Format: Artigo
Sprog:Inglês
Udgivet: Stockholm University Press 2020-01-01
Serier:Tellus: Series A, Dynamic Meteorology and Oceanography
Fag:
variational data assimilation
4dvar
analysis error covariance
Online adgang:http://dx.doi.org/10.1080/16000870.2020.1771069
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