TY - CPAPER AU - J.C. Derber AU - R.J. Purser AU - W-S. Wu AU - R. Treadon AU - M. Pondeca AU - D. Parrish AU - D. Kleist BT - Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003 CY - Shinfield Park, Reading DA - 2003 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 2003 SP - 125 EP - 134 T2 - Seminar on Recent developments in data assimilation for atmosphere and ocean, 8-12 September 2003 TI - Flow dependent Jb in grid-point 3D-Var ER -