@misc{79502, keywords = {workshop, SRNWP, LS-ET}, author = {Patricia de Rosnay and Muñoz-Sabater J. and C. Albergel and L. Isaksen and Gianpaolo Balsamo}, title = {ECMWF Land surface data assimilation system activities}, year = {2011}, month = {2011}, language = {eng}, }