@phdthesis{73384, author = {T. Ackerman}, title = {Using validation sites and field campaigns to evaluate observational and model bias}, year = {2006}, journal = {ECMWF/EUMETSAT NWP-SAF Workshop on Bias estimation and correction in data assimilation, 8 to 11 November 2005.}, pages = {77-92}, month = {2006}, publisher = {ECMWF}, address = {Shinfield Park, Reading}, language = {eng}, }