2012
DOI: 10.1080/07055900.2012.719823
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A Time-Averaged Covariance Method in the EnKF for Argo Data Assimilation

Abstract: In the ensemble Kalman filter (EnKF), ensemble size is one of the key factors that significantly affects the performance of a data assimilation system. A relatively small ensemble size often must be chosen because of the limitations of computational resources, which often biases the estimation of the background error covariance matrix. This is an issue of particular concern in Argo data assimilation, where the most complex state-of-theart models are often used. In this study, we propose a time-averaged covaria… Show more

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Cited by 6 publications
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References 45 publications
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