Delft University of Technology, Faculty of Civil Engineering and Applied Geosciences, Water Resources Section, P.O. Box 5048, 2600 GA Delft, the Netherlands

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

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

UNESCO-IHE Institute for Water Education, Department of Water Science and Engineering, P.O. Box 3015, 2601 DA Delft, the Netherlands

Delft University of Technology, Faculty of Civil Engineering and Applied Geosciences, Water Resources Section, P.O. Box 5048, 2600 GA Delft, the Netherlands

UNESCO-IHE Institute for Water Education, Department of Water Science and Engineering, P.O. Box 3015, 2601 DA Delft, the Netherlands

Delft University of Technology, Faculty of Civil Engineering and Applied Geosciences, Water Resources Section, P.O. Box 5048, 2600 GA Delft, the Netherlands

UNESCO-IHE Institute for Water Education, Department of Water Science and Engineering, P.O. Box 3015, 2601 DA Delft, the Netherlands