Rosemary W H Carroll, Desert Research Institute, Division of Hydrologic Sciences, Reno, NV, United States, Frank Kugel, Upper Gunnison River Water Concervancy District, Gunnison, CO, United States, Jeffrey S Deems, University of Colorado, Boulder, CO, United States, David Gochis, NCAR, Boulder, CO, United States, Joe Busto, Colorado Water Conservation Board, Denver, CO, United States, Susan Hubbard, Lawrence Berkeley National Laboratory, Earth and Environmental Sciences, Berkeley, CA, United States and Kenneth Hurst Williams, Colorado School of Mines, Golden, CO, United States