most citedA reduced-order strategy for 4D-Var data assimilation

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physics.geo-ph2007★ 57 cited

A reduced-order strategy for 4D-Var data assimilation

Céline Robert, S. Durbiano, Eric Blayo +3

This paper presents a reduced-order approach for four-dimensional variational data assimilation, based on a prior EO F analysis of a model trajectory. This method implies two main…

physics.geo-ph2007

Reduced-order 4D-Var: a preconditioner for the Incremental 4D-Var data assimilation method

Céline Robert, Eric Blayo, Jacques Verron

This study demonstrates how the incremental 4D-Var data assimilation method can be applied efficiently preconditione d in an application to an oceanographic problem. The approach c…