Impact of climate change on water resources in Yongdam Dam Basin,Korea |
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| Authors: | Byung Sik Kim Hung Soo Kim Byung Ha Seoh Nam Won Kim |
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| Institution: | (1) Water Resources Research Department, Korea Institute of Construction Technology, 2311, Daehwa-Dong, Ilsan-Gu, Goyang-Si, Gyeonggi-Do, South Korea;(2) Department of Civil Engineering, Inha University, Incheon, 402-751, South Korea |
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| Abstract: | The main purpose of this study is to investigate and evaluate the impact of climate change on the runoff and water resources
of Yongdam basin, Korea. First, we construct global climate change scenarios using the YONU GCM control run and transient
experiments, then transform the YONU GCM grid-box predictions with coarse resolution of climate change into the site-specific
values by statistical downscaling techniques. The downscaled values are used to modify the parameters of a stochastic weather
generator model for the simulation of the site-specific daily weather time series. The weather series is fed into a semi-distributed
hydrological model called SLURP to simulate the streamflows associated with other water resources for the condition of 2CO2. This approach is applied to the Yongdam dam basin in the southern part of Korea. The results show that under the condition
of 2CO2, about 7.6% of annual mean streamflow is reduced when it is compared with the current condition. Seasonal streamflows in
the winter and autumn are increased, while streamflow in the summer is decreased. However, the seasonality of the simulated
series is similar to the observed pattern
An erratum to this article can be found at |
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| Keywords: | Climate change GCM Statistical downscaling WGEN SLURP Water resource |
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