1. Department of Civil and Environmental EngineeringSeattle University Seattle Washington USA
2. Fish Program, Washington Department of Fish and Wildlife Olympia WA 98501 USA
3. Department of Biological and Environmental EngineeringCornell University Ithaca New York USA
4. University of Edinburgh, Politics and International Relations Department 22 George Square, Room B.2 Edinburgh EH8 9LF Scotland UK
5. Department of Biological Systems EngineeringVirginia Tech Blacksburg Virginia USA
6. MD‐DE‐DC Water Science CenterUnited States Geological Survey Baltimore Maryland USA