A Non-Gaussian Ensemble Filter Update for Data Assimilation

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An Iterative EnKF for Strongly Nonlinear Systems (2012, methodology): “) The rotations prevent the buildup of non-Gaussianity in the ensemble that is often associated with larger ensemble sizes in nonlinear ESRF-based systems (Lawson and Hansen 2004; Sakov and Oke 2008; Anderson 2010).”
A Second-Order Exact Ensemble Square Root Filter for Nonlinear Data Assimilation (2015, methodology): “The KF analysis can be interpreted as a linear regression of the model state on the observation vector (Anderson 2010).”
A Localized Particle Filter for High-Dimensional Nonlinear Systems (2016, methodology): “Localization strategies have already been adopted in several non-Gaussian filters, including the local–local Gaussian mixture filter (Bengtsson et al. 2003), the rank histogram filter (Anderson 2010), and the moment-matching filter (Lei and Bickel 2011).”