John S Kimball¹, K. Arthur Endsley², Rolf H Reichle³, Colin Brust², Patrick M. Wurster⁴, Bruce D. Maxwell⁵ and Marco P Maneta⁶, (1)University of Montana, Numerical Terradynamic Simulation Group, W.A. Franke College of Forestry & Conservation, Missoula, MT, United States, (2)University of Montana, Numerical Terradynamic Simulation Group, Missoula, MT, United States, (3)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (4)University of Montana, Missoula, MT, United States, (5)Montana State University, Department of Land Resources & Environmental Science, Bozeman, MT, United States, (6)University of Montana, Geosciences, Missoula, MT, United States