1. Faculty of Civil and Water Resources Engineering, Bahir Dar Institute of Technology, Bahir Dar University, Bahir Dar P.O. Box 26, Ethiopia
2. Department of Civil & Environmental Engineering, University of Wisconsin, Madison, WI 53706, USA
3. Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
4. Alberta Energy Regulator, Calgary, AB T2P 0R4, Canada
5. School of Architecture, Planning and Landscape, University of Calgary, Calgary, AB T2N 1N4, Canada
6. Department of Ecology and Conservation Biology, Texas A&M University, College Station, TX 77843, USA
7. International Water Management Institute, Accra PMB CT 112, Ghana