Department of Soil, Water, and Environmental Science, The University of Arizona 429 Shantz Building, Tucson, AZ 85721 United States
Department of Civil and Environmental Engineering, Portland State University P.O. Box 751, Portland, OR 97207 United States
Department of Soil, Water, and Environmental Science, The University of Arizona 429 Shantz Building, Tucson, AZ 85721 United States ; Department of Hydrology and Water Resources, The University of Arizona 429 Shantz Building, Tucson, AZ 85721 United States