A local ensemble Kalman filter for atmospheric data assimilation

E Ott, BR Hunt, I Szunyogh, AV Zimin… - Tellus A: Dynamic …, 2004 - Taylor & Francis
… a new, local formulation of the ensemble Kalman filter approach … s surface is divided up into
local regions of moderate size, vectors … Ensemble Kalman filters, in general, take the analysis …

Performance analysis of local ensemble Kalman filter

XT Tong - Journal of Nonlinear Science, 2018 - Springer
Ensemble Kalman filter (EnKF) is an important data assimilation method for high-… using
only information within a local radius. This paper rigorously analyzes the local EnKF (LEnKF) for …

Assimilating non-local observations with a local ensemble Kalman filter

EJ Fertig, BR Hunt, E Ott, I Szunyogh - Tellus A: Dynamic …, 2007 - Taylor & Francis
… In this paper, we assimilate these observations with a specific ensemble Kalman filter
scheme. In particular, we use the localization set-up proposed in Ott et al. (2004) with the …

A review of issues in ensemble-based Kalman filtering

M Ehrendorfer - Meteorologische Zeitschrift (Berlin), 2007 - osti.gov
… of ensemble-based data assimilation techniques, such as in the basic form of the ensemble
Kalman filter (… (EnSRF), and the Local Ensemble Kalman Filter (LEKF). Further important …

[HTML][HTML] A multiscale local gain form ensemble transform Kalman filter (MLGETKF)

X Wang, HG Chipilski, CH Bishop… - Monthly Weather …, 2021 - journals.ametsoc.org
A new multiscale, ensemble-based data assimilation (DA) method, multiscale local gain
form ensemble transform Kalman filter (MLGETKF), is introduced. MLGETKF allows …

[HTML][HTML] Balance and ensemble Kalman filter localization techniques

SJ Greybush, E Kalnay, T Miyoshi, K Ide… - Monthly Weather …, 2011 - journals.ametsoc.org
… Wang , 2010: A comparison of the local ensemble transform Kalman filter and ensemble
square root filter data assimilation schemes. Preprints, 14th Symp. on Integrated Observing and …

Assessing a local ensemble Kalman filter: Perfect model experiments with the National Centers for Environmental Prediction global model

I Szunyogh, EJ Kostelich, G Gyarmati… - Tellus A: Dynamic …, 2005 - Taylor & Francis
… is to demonstrate the potential of one particular ensemble-based Kalman filter scheme; we
explain the implementation of the local ensemble Kalman filter (LEKF), introduced in Ott et al. (…

Local ensemble Kalman filtering in the presence of model bias

SJ Baek, BR Hunt, E Kalnay, E Ott… - Tellus A: Dynamic …, 2006 - Taylor & Francis
… We will restrict our considerations to the example of one particular ensemble Kalman filter,
the Local Ensemble Kalman Filter (LEKF) proposed by Ott et al. (2004a). [This scheme has …

[HTML][HTML] A local least squares framework for ensemble filtering

JL Anderson - Monthly Weather Review, 2003 - journals.ametsoc.org
ensemble Kalman filter methods, the perturbed observation ensemble Kalman filter and
ensemble adjustment Kalmanensemble Kalman filter and ensemble adjustment Kalman

Ensemble kalman filtering

PL Houtekamer, HL Mitchell - Quarterly Journal of the Royal …, 2005 - Wiley Online Library
… The operational EnKF is used to investigate to what extent our system respects the underlying
hypotheses of both the Kalman filter and its ensemble approximation. In particular, we …