UNESCO-IHE Institute for Water Education, P.O. Box 3015, 2601 DA Delft, The Netherlands

Addis Ababa University, Institute for Environment, Water and Development, Addis Ababa University, P.O. Box 1176, Addis Ababa, Ethiopia

Hawassa University, Department of Irrigation and Water Resources Engineering, P.O. Box 5, Hawassa, Ethiopia

Delft University of Technology, Faculty of Civil Engineering and Applied Geosciences, Water Resources section, Stevinweg 1, P.O. Box 5048, 2600 GA Delft, The Netherlands

UNESCO-IHE Institute for Water Education, P.O. Box 3015, 2601 DA Delft, The Netherlands

Delft University of Technology, Faculty of Civil Engineering and Applied Geosciences, Water Resources section, Stevinweg 1, P.O. Box 5048, 2600 GA Delft, The Netherlands

UNESCO-IHE Institute for Water Education, P.O. Box 3015, 2601 DA Delft, The Netherlands

Delft University of Technology, Faculty of Civil Engineering and Applied Geosciences, Water Resources section, Stevinweg 1, P.O. Box 5048, 2600 GA Delft, The Netherlands

Delft University of Technology, Faculty of Civil Engineering and Applied Geosciences, Water Resources section, Stevinweg 1, P.O. Box 5048, 2600 GA Delft, The Netherlands

UNESCO-IHE Institute for Water Education, P.O. Box 3015, 2601 DA Delft, The Netherlands

Addis Ababa University, Department of Civil Engineering, P.O. Box 385, Addis Ababa, Ethiopia

UNESCO-IHE Institute for Water Education, P.O. Box 3015, 2601 DA Delft, The Netherlands

Delft University of Technology, Faculty of Civil Engineering and Applied Geosciences, Water Resources section, Stevinweg 1, P.O. Box 5048, 2600 GA Delft, The Netherlands