Flash Flood Risk Assessment of the Eastern Coastal Basins in Kuwait Applying MCA
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 4
Abstract
Coping with the water scarcity in the arid and hyper-arid regions requires good management for the flash floods. This requires an accurate estimation for the hazard degrees and floods risk to minimizing the damage, danger and other hazards associated to it to human life, properties, environment and maximizing of water use in arid zones. In this study, Eastern Coastal Basins of Kuwait (ECBK) was chosen for this purpose applying Multi Criteria Analysis (MCA). MCA describes any structured approach used to determine overall preferences among alternative options, where the options accomplish certain or several objectives. MCA techniques were tested and evaluated for the purpose of flash flood risk assessment, hydro-morphological parameters for sample catchments in ECBK, were used in this analysis. Drainage network and watershed boundaries of ECBK shape files was created using TOPAZ (Topographic Parameterization) technique from the 90 m Digital Elevation Model (DEMs). These data are used in Watershed Modeling System (WMS) package to automatically delineate basin boundaries and define stream networks. Forty basins in ECBK were delineated for the study of the hazard degree of flash floods. Cluster analysis, depending on 15 estimated hydro-morphological parameters, classifies the basins of ECBK into 5 groups. Fifteen chosen hydromorphological parameters, have their direct effect on flash flooding, were used for estimating hazard scale depending on the MCA procedures. The proposed risk scale assumed category five for the high Weighted Standardized Risk Factor (WSRF) of three basins, while the category three (moderate WSRF) represents the middle sector of ECBK (2 basins). The class one represents 14 basins (low WSRF). Field measurements are highly recommended to verify the results of MCA procedure used in this paper.
Authors and Affiliations
Hamoud N. Al- Alat, Mohamed GAD, Talal Almutairi, Hamad Matar
Keywords
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