TY - CPAPER AU - Angela Benedetti AU - Richard Engelen AU - Johannes Flemming AU - H. Flentje AU - N. Huneeus AU - Antje Inness AU - Luke Jones AU - E. Katragkou AU - J. Marshall AU - J.-J. Morcrette AU - C. Ordóñwz AU - M.G. Schulz BT - ECMWF Workshop on Diagnostics of data assimilation system performance, 15 - 17 June 2009 CY - Shinfield Park, Reading DA - 2009 LA - eng PB - ECMWF PP - Shinfield Park, Reading PY - 2009 SP - 145 EP - 168 T2 - ECMWF Workshop on Diagnostics of data assimilation system performance, 15 - 17 June 2009 TI - Chemistry data assimilation validation using independent observations ER -