1. Faculty of Civil and Water Resources Engineering, Bahir Dar Institute of Technology Bahir Dar University Bahir Dar Ethiopia
2. PhD Program in Integrated Water Management, Bahir Dar Institute of Technology Bahir Dar University Bahir Dar Ethiopia
3. International Water Management Institute (IWMI) East Africa and Nile Basin Office Addis Ababa Ethiopia
4. Departments of Biological and Environmental Engineering Cornell University Ithaca NY 14853 USA