TY - SLIDE KW - workshop KW - data assimilation KW - flow-dependent AU - J. Purser AU - M de Pondeca AU - D.F. Parrish AU - D. Dévényi C1 - Events DA - 2007 LA - eng PY - 2007 TI - Covariance modelling in a grid-point analysis UR - https://www.ecmwf.int/node/15664 ER -