4d-var assimilation of profiling floats in an ogcm of the North Atlantic: an observing system simulation experiment (original) (raw)

2003

Abstract

In the context of the ARGO project, we study how an idealised network of profiling floats can constrain the thermohaline structure of the upper ocean in a primitive equation model of the North Atlantic. We use a 4D-variational assimilation formalism (strong constraint adjoint method) with a model resolution of 1° and an assimilation window of one-year. The synthetic data are

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