An MLP predicts the covariance difference between limited and large ensembles and corrects the EnKF forecast covariance via element-wise scaling, yielding higher accuracy than standard EnKF on Lorenz-63 and Lorenz-96.
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Machine Learning-Based Covariance Correction for Ensemble Kalman Filter with Limited Ensemble Size
An MLP predicts the covariance difference between limited and large ensembles and corrects the EnKF forecast covariance via element-wise scaling, yielding higher accuracy than standard EnKF on Lorenz-63 and Lorenz-96.