1. St. Croix Watershed Research Station; Science Museum of Minnesota; Marine on St. Croix MN 55047 USA
2. Department of Biosystems and Bioproducts Engineering; University of Minnesota; St Paul MN 55108 USA
3. Department of Watershed Science; Utah State University; Logan Utah 84332 USA
4. Water Resources Center; Minnesota State University-Mankato; Mankato MN 56001 USA
5. Department of Civil and Environmental Engineering; Seattle University; Seattle WA 98122 USA