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http://dx.doi.org/10.17663/JWR.2019.21.s-1.107

Future Projection in Inflow of Major Multi-Purpose Dams in South Korea  

Lee, Moon Hwan (Dept. of Civil and Environmental Engrg., The Hong Kong University of Science and Technology)
Im, Eun Soon (Dept. of Civil and Environmental Engrg., The Hong Kong University of Science and Technology)
Bae, Deg Hyo (Dept. of Civil and Environmental Engrg., Sejong Univ)
Publication Information
Journal of Wetlands Research / v.21, no.spc, 2019 , pp. 107-116 More about this Journal
Abstract
Multi-purpose dams in Korea play a very important role in water management such as supplying water for living, industrial water, and discharging instream flow requirement to maintain the functions of river. However, the vulnerability of dam water supply has been increased due to extreme weather events that are possible linked to climate change. This study attempts to project the future dam inflow of six multi-purpose dams by using dynamically downscaled climate change scenarios with high resolution. It is found that the high flows are remarkably increased under global warming, regardless of basins and climate models. In contrast, the low flows for Soyangang dam, Chungju dam, and Andong dam that dam inflow are originated from Taebaek mountains are significantly decreased. On the other hand, while the low flow of Hapcheon dam is shown to increase, those of Daecheong and Sumjingang dams have little changes. But, the low flows for future period have wide ranges and the minimum value of low flows are decreased for all dams except for Hapcheon dam. Therefore, it is necessary to establish new water management policy that can respond to extreme water shortages considering climate change.
Keywords
climate change; dam inflow; multi-purpose dam; PRMS; instream flow requirement;
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Times Cited By KSCI : 7  (Citation Analysis)
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