Cite as: Storch, H.; Cubasch, U.; Gonzales-Rouco, J.; Jones. J.M.; Voss, R.; Widmann, M.; Zorita, E.: Combining Paleoclimatic Evidence and GCMS by Means of Data Assimilation Through Upscaling and Nudging (DATUN). In: American Meteorological Society (Ed.): 11th Symposium on Global Change Studies, American Meteorological Society. Long Beach, CA (USA). 2000. 18-31.