1. Department of Civil, Construction and Environmental Engineering (Dept. 2470), North Dakota State University, P.O. Box 6050, Fargo, ND 58108-6050, USA
2. Wet Ecosystem Research Group, Department of Biological Sciences (Dept. 2715), North Dakota State University, P.O. Box 6050, Fargo, ND 58108-6050, USA
3. Department of Agricultural and Biosystems Engineering (Dept. 7620), North Dakota State University, P.O. Box 6050, Fargo, ND 58108-6050, USA