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http://dx.doi.org/10.3741/JKWRA.2017.50.4.233

Hydrologic variability in the Sumjin river dam basin according to typhoon genesis pattern  

Kang, Ho-Yeong (Department of Civil Engineering, University of Seoul)
Choi, Ji-Hyeok (Department of Civil Engineering, University of Seoul)
Kim, Jong-Suk (Department of Civil Engineering, University of Seoul)
Moon, Young-Il (Department of Civil Engineering, University of Seoul)
Publication Information
Journal of Korea Water Resources Association / v.50, no.4, 2017 , pp. 233-239 More about this Journal
Abstract
In this study, we analyzed typhoon affecting Korean Peninsula and runoff characteristic changes according to the typhoon based on Sumjin river dam, a representative multi-purpose dam. We quantified typhoon flow by applying the typhoon domain, and will provide base data for climate change adaptation and counterstrategy through correlation analysis of the change of typhoon statistical data and Indicators of Hydrologic Alterations (IHA). Korean Peninsula impact typhoon has a great effect on the scale of peak flow and the change of occurrence time. The occurrence frequency and duration of the peak flow were analyzed to be relatively unrelated to the typhoon affected by the Korean peninsula. These changes were also confirmed in the correlation analysis results. Correlation coefficient between the peak flow (0.41) and peak flow occurrence time (correlation coefficient = 0.83) was positively correlated with the Korean peninsula influenced typhoon.
Keywords
Typhoon; Multi-purpose dam; IHA; Sumjin river dam;
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