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Hec ras 2d group11/26/2023 The flooded areas along the Muga River have been mapped based on highest flows for different return periods using the HEC-RAS model, ArcGIS for spatial data processing and HEC-GeoRAS for interfacing between HEC-RAS and ArcGIS. slope, elevation, rainfall, drainage density, land use, and soil type were rated and combined to delineate flood hazard zones using a multi-criteria evaluation technique in an ArcGIS environment. The objective of this study was to analyze flood inundation area mapping and Hazard Assessment of Muga River. It results direct or indirect loss of agricultural productivity, infrastructure, and disruption of transportation access and services. The majority of flood disasters’ victims are people living in and nearby stretch of floodplains. Flood happens repeatedly and is a common phenomenon in Ethiopia causing a lot of losses to human lives as well as damage to property.
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