Curt Covey Lawrence Livermore National Laboratory Program for Climate Model Diagnosis and Intercomparison Mail Code L-264 7000 East Avenue - Livermore, CA 94550 Tel: (+1) 925 422-1828 Fax: (+1) 925 422-7675 Email: covey1@llnl.gov Christine Delire Center For Climatic Research University of Wisconsin, Madison Atmospheric Oceanic & Space Sciences Bld 1347 1225 W Dayton ST - Madison - WI - USA Tel: (+1) 608 262 5961 Email : cldelire@facstaff.wisc.edu Joerg Kaduk Carnegie Institution of Washington, Department of Plant Biology 260 Panama Street - Stanford, CA 94305 - USA Tel : (+1) 650 325 1521 x 416 Fax : (+1) 650 325 6857 Email: joerg@jasper.stanford.edu Wolfgang Knorr Max-Planck-Institut für Biogeochemie P.O. Box 10 01 64 - 07701 Jena - Germany Tel : (+49) 3641-686733 Fax : (+49) 3641-686710 Email : wknorr@bgc-jena.mpg.de