Christian Guzman, University of Massachusetts Amherst, Civil and Environmental Engineering, Amherst, MA, United States; Washington State University, Civil and Environmental Engineering, Pullman, WA, United States, Ricardo Sanchez-Murillo, National University, Stable Isotopes Research Group and Water Resources Management Laboratory, Heredia, Costa Rica, Erin S Brooks, University of Idaho, Department of Biological and Agricultural Engineering, Moscow, ID, United States and Jan Boll, Washington State University, Pullman, WA, United States