IAHR, founded in 1935, is a worldwide independent member-based organisation of engineers and water specialists working in fields related to the hydro-environmental sciences and their practical application. Activities range from river and maritime hydraulics to water resources development and eco-hydraulics, through to ice engineering, hydroinformatics, and hydraulic machinery.
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You are here : eLibrary : IAHR World Congress Proceedings : 32nd Congress - Venice (2007) : THEME A: Engineering and Management of Fresh-water Systems : Reservoir flood control capacity and flood routing impacts on downstream flood hazard reduction, c...
Reservoir flood control capacity and flood routing impacts on downstream flood hazard reduction, case study: gorganrood river & golestan dam in iran
Author : M.A. Pourhasan, M.R.M. Tabatabai , M.R. Kavianpour, B. Bozorgy
Construction of dams is one of the most common flood control measures all over the world. Dam reservoirs have major role in reducing the severity of floods and flood plain inundations downstream of dams. In this study, a quantitative investigation has been conducted to determine the effects of reservoir flood control capacity (RFCC) on downstream flood hazard reduction. The case study is a reach of Gorganrood River in the north of Iran, severely affected by the past years floods. This research is one of the main parts of the flood risk analysis in the selected case study and its scope is to determine the flood hazard potential in a large city located downstream of the dam. To clarify the reservoir impact, flood routing under different return periods has been conducted. Then, the inundated areas in the downstream reach of the dam have been determined using an unsteady river analysis system by HEC-RAS. Finally, by summarising the results, the effect of flood routing in the reservoir and flood plain are defined to reduce the flood hazard reduction in the case study reach.
File Size : 864,257 bytes
File Type : Adobe Acrobat Document
Chapter : IAHR World Congress Proceedings
Category : 32nd Congress - Venice (2007)
Article : THEME A: Engineering and Management of Fresh-water Systems
Date Published : 01/07/2007
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