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Title: Multilevel ensemble Kalman filtering

Journal Article · · SIAM Journal on Numerical Analysis
DOI:https://doi.org/10.1137/15M100955X· OSTI ID:1302921
 [1];  [2];  [3]
  1. Univ. of Oslo (Norway)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  3. King Abdullah University of Science and Technology (KAUST), Thuwal (Saudi Arabia)

This study embeds a multilevel Monte Carlo sampling strategy into the Monte Carlo step of the ensemble Kalman filter (EnKF) in the setting of finite dimensional signal evolution and noisy discrete-time observations. The signal dynamics is assumed to be governed by a stochastic differential equation (SDE), and a hierarchy of time grids is introduced for multilevel numerical integration of that SDE. Finally, the resulting multilevel EnKF is proved to asymptotically outperform EnKF in terms of computational cost versus approximation accuracy. The theoretical results are illustrated numerically.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Laboratory Directed Research and Development (LDRD) Program
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
1302921
Journal Information:
SIAM Journal on Numerical Analysis, Vol. 54, Issue 3; ISSN 0036-1429
Publisher:
Society for Industrial and Applied MathematicsCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 50 works
Citation information provided by
Web of Science

References (19)

Localization and Sampling Error Correction in Ensemble Kalman Filter Data Assimilation journal July 2012
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Convergence analysis of multilevel Monte Carlo variance estimators and application for random obstacle problems journal December 2014
Analysis Scheme in the Ensemble Kalman Filter journal June 1998
Multilevel Monte Carlo methods and applications to elliptic PDEs with random coefficients journal January 2011
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On the convergence of the ensemble Kalman filter journal December 2011
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A deterministic filter for non-Gaussian Bayesian estimation— Applications to dynamical system estimation with noisy measurements journal April 2012
On the best constant in Marcinkiewicz–Zygmund inequality journal June 2001

Cited By (5)

Performance Analysis of Local Ensemble Kalman Filter journal March 2018
Well posedness and convergence analysis of the ensemble Kalman inversion journal July 2019
Kalman Filtering Algorithm for Systems with Stochastic Nonlinearity Functions, Finite-Step Correlated Noises, and Missing Measurements journal January 2018
Assessment of multilevel ensemble-based data assimilation for reservoir history matching journal December 2019
Assimilation of multiple linearly dependent data vectors journal December 2019

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