Colin Brust, University of Montana, Numerical Terradynamic Simulation Group, Missoula, MT, United States, John S Kimball, The University of Montana, Numerical Terradynamic Simulation Group, W.A. Franke College of Forestry & Conservation, Missoula, MT, United States, Marco P Maneta, University of Montana, Geosciences, Missoula, MT, United States, Mingzhu He, University of Montana, Missoula, MT, United States and Rolf H Reichle, NASA Goddard Space Flight Center, Greenbelt, MD, United States