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Predicting Flood Hazard Indices in Torrential or Flashy River Basins and Catchments

Davor Kvočka, Reza Ahmadian () and Roger A Falconer
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Davor Kvočka: Cardiff University
Reza Ahmadian: Cardiff University
Roger A Falconer: Cardiff University

Water Resources Management: An International Journal, Published for the European Water Resources Association (EWRA), 2018, vol. 32, issue 7, 2335-2352

Abstract: Abstract Flood hazard maps are one of the main components of any flood risk management strategy. It is predicted that the degree of flood risk is going to significantly increase in the future due to climatic and environmental changes, and hence it is increasingly important that state-of-the-art methods are implemented for assessing human stability in floodwaters. Therefore, this paper focuses on proposing more accurate and detailed guidelines for predicting flood hazard indices in small and steep river basins or catchments, prone to the occurrence of flash flooding. The results obtained in this study indicate that for river basins with an average bed gradient greater than 1% (i.e. torrential or flashy river basins or catchments), then the flood hazard indices should be predicted using criteria which are based on the physical interpretation of the processes that affect the human stability in floodwaters, i.e. mechanics based and experimentally calibrated flood hazard assessment methods.

Keywords: Flashy river basins; Torrential catchments; Flood hazard; Flood risk; Human stability in floodwaters; Flash floods (search for similar items in EconPapers)
Date: 2018
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