The main objective of this research was to study soil erosion and sediment yield in Mizewa watershed using SWAT model.
The study involved hydrological and erosion modelling using primary data collected in the watershed. Hydrological and meteorological data were collected from the stations installed in the watershed by the International Water Management Institute (IWMI) in collaboration with the Ministry of Water and Energy and the National Meteorological Service Agency.
Suspended sediment data was collected at Mizewa River in the watershed, used for sediment rating curve development. The land use/ land cover map was prepared using field survey and Land Sat image and the soil map for the watershed was prepared from Abay basin soil as per the United Nations’ Organisation for Food and Agriculture (FAO)’s world soil database.