1. a Faculty of Water Resources and Irrigation Engineering, Arba Minch Water Technology Institute, Arba Minch University, Arba Minch, Ethiopia
2. b Faculty of Water Resources and Irrigation Engineering, Arba Minch Water Technology Institute, Water Resources Research Center, Arba Minch University, Arba Minch, Ethiopia
3. c Faculty of Hydraulic and Water Resources Engineering, Arba Minch Water Technology Institute, Arba Minch University, Arba Minch, Ethiopia