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Conservation of Mass and Preservation of Positivity with Ensemble-Type Kalman Filter Algorithms
Publisher: American Meteorological Society
Abstract: his paper considers the incorporation of constraints to enforce physically based conservation laws in the ensemble Kalman filter. In particular, constraints are used to ensure that the ensemble members and the ensemble ...
Two-Sample Kalman Filter for Steady-State Data Assimilation
Publisher: American Meteorological Society
Abstract: In this paper, a new iterative algorithm for computing a steady-state Kalman gain is proposed. This algorithm utilizes two model forecasts with statistically independent random perturbations to determine the error covariance ...