Observation bias correction with an ensemble Kalman filter

E Fertig, SJ Baek, B Hunt, E Ott… - Tellus A: Dynamic …, 2009 - Taylor & Francis
… these biases. The … bias estimate should be used to correct real radiance biases, rather to
show that we can efficiently estimate bias correction parameters with an ensemble Kalman filter. …

Correcting for forecast bias in soil moisture assimilation with the ensemble Kalman filter

GJM De Lannoy, RH Reichle… - Water Resources …, 2007 - Wiley Online Library
… the bias-corrected output state, we add the bias correction to … we observed a fast return of
the model state to its biased … outputs for bias without feedback of this bias correction in between …

Ensemble Kalman filter assimilation of temperature and altimeter data with bias correction and application to seasonal prediction

CL Keppenne, MM Rienecker… - Nonlinear processes …, 2005 - npg.copernicus.org
Bias correction approaches can be separated into offline methods – in which the bias is
estimated beforehand from the model and observed climatologies – and online methods – …

Model bias correction for dust storm forecast using ensemble Kalman filter

C Lin, J Zhu, Z Wang - Journal of Geophysical Research …, 2008 - Wiley Online Library
biases on heavy dust episodes, before use, the observations are checked according to 3 h
surface synoptic observations … , or one dust storm phenomenon observed at stations located …

Local ensemble Kalman filtering in the presence of model bias

SJ Baek, BR Hunt, E Kalnay, E Ott… - Tellus A: Dynamic …, 2006 - Taylor & Francis
… ticular ensemble Kalman filter, the Local Ensemble Kalman Fil… bias correction is attempted
using other related ensemble … observations to account for model bias in the state estimation. …

A Kalman-filter bias correction method applied to deterministic, ensemble averaged and probabilistic forecasts of surface ozone

LD Monache, J Wilczak, S McKeen, G Grell… - Tellus B: Chemical …, 2008 - Taylor & Francis
… of future ozone-concentration bias using past forecasts and observations. The optimum …
of the Kalman filter (KF) predictor post-processing bias-removal method in predicting biases of …

State and bias estimation for soil moisture profiles by an ensemble Kalman filter: Effect of assimilation depth and frequency

GJM De Lannoy, PR Houser… - Water resources …, 2007 - Wiley Online Library
… [1] An ensemble Kalman filter for state estimation and a bias estimation … of bias correction,
the effect of the assimilation frequency, the assimilation depth, and the number of observations

Simultaneous estimation of covariance inflation and observation errors within an ensemble Kalman filter

H Li, E Kalnay, T Miyoshi - … Society: A journal of the atmospheric …, 2009 - Wiley Online Library
… the ensemble Kalman filter (EnKF) in preventing filter divergence … accuracy of the specification
of observation error statistics, which … model bias. For an imperfect model with large model …

Improving flood forecasting using conditional bias-penalized ensemble Kalman filter

H Lee, H Shen, SJ Noh, S Kim, DJ Seo, Y Zhang - Journal of Hydrology, 2019 - Elsevier
ensemble extension of the conditional bias-penalized Kalman filter, referred to herein as the
conditional bias… and multiplicative biases for observed precipitation and PE by assimilating …

Ozone ensemble forecasts: 2. A Kalman filter predictor bias correction

L Delle Monache, T Nipen, X Deng… - Journal of …, 2006 - Wiley Online Library
… The recent past forecasts and observations are used by the KF to estimate the future bias. …
separate Kalman filter for each ensemble member, for each hour. Individual Kalman-corrected