TY - CPAPER AU - Magdalena Alonso-Balmaseda BT - ECMWF Workshop on the Role of the Upper Ocean in Medium and Extended Range Forecasting, 13-15 November 2002 CY - Shinfield Park, Reading DA - 2003 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 2003 SP - 33 EP - 45 T2 - ECMWF Workshop on the Role of the Upper Ocean in Medium and Extended Range Forecasting, 13-15 November 2002 TI - Dealing with systematic error in ocean assimilation ER -