'Covariance localization' presentation slideshows

Hybrid (3D-VAR /ETKF) Data Assimilation System

Hybrid (3D-VAR /ETKF) Data Assimilation System. Meral Demirtas National Center for Atmospheric Research. WRF Tutorial, WRF-Data Assimilation 21 st July 2009, Boulder, Colorado. Why do we need a hybrid data assimilation system? What are the basic ingredients of a hybrid system?

680 views • 36 slides

436 views • 26 slides

Failings and Fixes of EnKF for Nonlinear Dynamics

Failings and Fixes of EnKF for Nonlinear Dynamics. 2009 EnKF Workshop Presenter: Al Reynolds Co-authors: Youdou Wang, Reza Tavakoli and Gaoming Li. Outline. Consistency issue Consequences of limited ensemble size. Estimation with EnKS. State Vector:. m:.

395 views • 25 slides

An Application of Maximum Likelihood Ensemble Filter (MLEF) to Carbon Problems

171 views • 1 slides