Geruo A, University of California Irvine, Department of Earth System Science, Irvine, CA, United States, Isabella Velicogna, UCI, Irvine, CA, United States, Meng Zhao, University of California Irvine, Irvine, CA, United States and John S Kimball, The University of Montana, Numerical Terradynamic Simulation Group, W.A. Franke College of Forestry & Conservation, Missoula, MT, United States