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http://dx.doi.org/10.17663/JWR.2019.21.s-1.149

Climate Change Impacts and Adaptation on Hydrological Safety Perspectives of Existing Dams  

Park, Jiyeon (Korea Infrastructure Safety Corporation)
Jung, Il Won (Korea Infrastructure Safety Corporation)
Kwon, Ji Hye (Korea Infrastructure Safety Corporation)
Kim, Wonsul (Korea Infrastructure Safety Corporation)
Publication Information
Journal of Wetlands Research / v.21, no.spc, 2019 , pp. 149-156 More about this Journal
Abstract
Assessing the hydrological safety of existing dams against climate change and providing appropriate adaptation measures are important in terms of sustainable water supply and management. Korean major dams ensure their safety through periodic inspections and maintenance according to 'Special Act on the safety control and maintenance of establishments'. Especially when performing a full safety examination, principal engineer must assess the hydrological safety and prepare for potential risks. This study employed future probable maximum precipitation (PMP) estimated using outputs of regional climate models based on RCP4.5 and RCP8.5 greenhouse-gas emission scenarios to assess climate change impact on existing dam's future hydrological safety. The analysis period was selected from 2011 to 2040, from 2041 to 2070, and from 2071 to 2100. Evaluating the potential risk based on the future probable maximum flood (PMF) for four major dams (A, B, C, I) showed that climate change could induce increasing the overflow risk on three dams (A, B, I), although there are small differences depending on the RCP scenarios and the analysis periods. Our results suggested that dam managers should consider both non-structural measures and structural measures to adapt to the expected climate change.
Keywords
Climate change; dam; hydrological safety assessment; probable maximum precipitation; adaptation;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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