Risk assessment of Rawal dam outburst flood using integrated hydrological and geo-spatial approaches

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Alishba Touseef
Shakeel Mahmood


This study is an effort of Rawal Dam outburst flood risk assessment using integrated hydrological and geo-spatial approaches. Satellite data sets including Advanced Space borne Thermal Emission and Reflection Radiometer (ASTER) Global Digital Elevation Model (GDEM) and Landsat-8 image having 30 m spatial resolution were downloaded from United State Geological Survey (USGS) geo-database. Watershed modeling was applied to delineate the catchment area and drainage geo-visualize network. Spatial hydrological model was utilized to the vertical and horizontal profile of estimated flood in the downstream areas in case of dam breaching. Similarly, Google Earth Pro was used to calculate lake volume. The estimated flood has depth of more than 15 m. Downstream areas are at high risk. The results of the study can assist disaster management authorities and decision-makers in devising location specific effective flood risk reduction strategies in the region.

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How to Cite
Touseef, A., & Mahmood, S. (2023). Risk assessment of Rawal dam outburst flood using integrated hydrological and geo-spatial approaches. Advanced GIS, 3(1), 07–13. Retrieved from https://publish.mersin.edu.tr/index.php/agis/article/view/872


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