Christopher A Scott¹, Alexander K Fremier², Julie Padowski³, Marygold Walsh-Dilley⁴, Rolando Célleri⁵, Jose Luis Arumi⁶, Ricardo Barra⁷, Enrique Munoz⁸, Jan Boll² and Mark C Stone⁹, (1)University of Arizona, Tucson, AZ, United States, (2)Washington State University, Pullman, WA, United States, (3)Washington State University, State of Washington Water Research Center, Pullman, WA, United States, (4)University of New Mexico, Albuquerque, United States, (5)Universidad de Cuenca, Departamento de Recursos Hídricos y Ciencias Ambientales & Facultad de Ciencias Agropecuarias, Cuenca, Ecuador, (6)Universidad de Concepcion, Chillan, Chile, (7)Universidad de Concepción, Concepcion, Chile, (8)Universidad Catolica de la Santisima Concepcion, Concepci�n, Chile, (9)University of New Mexico Main Campus, Department of Civil Engineering, Albuquerque, NM, United States