TY - SLIDE KW - workshop KW - data assimilation KW - flow-dependent AU - O. Pannekoucke AU - L. Berre AU - G. Desroziers AU - S. Ştefănescu AU - B. Chapnik AU - L. Raynaud C1 - Events DA - 2007 LA - eng PY - 2007 TI - Spatial filtering of assimilation ensemble statistics: increase of sample size by local spatial averaging UR - https://www.ecmwf.int/node/15674 ER -