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http://dx.doi.org/10.17663/JWR.2013.15.1.105

The Impact Assessment of Climate Change on Design Flood in Mihochen basin based on the Representative Concentration Pathway Climate Change Scenario  

Kim, Byung Sik (Department of Urban & Environmental Disaster Prevention Engineering, Kangwon National University)
Ha, Sung Ryong (Department of Urban Engineering, Chungbuk National University)
Publication Information
Journal of Wetlands Research / v.15, no.1, 2013 , pp. 105-114 More about this Journal
Abstract
Recently, Due to Climate change, extreme rainfall occurs frequently. In many preceding studies, Because of extreme hydrological events changes, it is expected that peak flood Magnitude and frequency of drainage infrastructures changes. However, at present, probability rainfall in the drainage facilities design is assumed to Stationary which are not effected from climate change and long-term fluctuation. In the future, flood control safety standard should be reconsidered about the valid viewpoint. In this paper, in order to assess impact of climate change on drainage system, Future climate change information has been extracted from RCP 8.5 Climate Change Scenario for IPCC AR5, then estimated the design rainfall for various durations at return periods. Finally, the design flood estimated through the HEC-HMS Model which is being widely used in the practices, estimated the effect of climate change on the Design Flood of Mihochen basin. The results suggested that the Design Flood increase by climate change. Due to this, the Flood risk of Mihochen basin can be identified to increase comparing the present status.
Keywords
RCP climate change scenario; Non-stationary frequency analysis; Design flood;
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Times Cited By KSCI : 3  (Citation Analysis)
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