Mark S Seyfried¹, Kathleen A Lohse², Frederick B. Pierson¹, Gerald N Flerchinger³ and Danny G Marks¹, (1)USDA-ARS, Northwest Watershed Research Center, Boise, ID, United States, (2)Idaho State University, Biological Sciences and Geosciences, Idaho Falls, ID, United States, (3)USDA Agriculture Research Service, Northwest Watershed Research Center, Boise, ID, United States