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논문 기본 정보

자료유형
학술저널
저자정보
김윤지 (고려대학교) 유지은 (고려대학교) 이경일 (고려대학교) 성현찬 (고려대학교) 전성우 (고려대학교)
저널정보
한국기후변화학회 한국기후변화학회지 Journal of Climate Change Research Vol.11 No.6-1
발행연도
2020.12
수록면
609 - 619 (11page)
DOI
10.15531/ksccr.2020.11.6.609

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초록· 키워드

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In Korea, where more than half of annual precipitation (55%, 653.9 mm) occurs during the rainy season (June ~ September), it is difficult to efficiently store and manage water resources. These challenges are likely to be exacerbated by climate change, the impact of which was demonstrated in the summer of 2020 in the form of an unprecedented long rainy season. The purpose of this study is to help establish efficient future water resource management and water-related disaster prevention measures in response to climate change. Application of the HEC-HMS (Hydrologic Engineering Center’s Hydrologic Modeling System) model was evaluated for simulation of rainfall runoff for the Daecheong Dam basin. During model set-up, parameter values for loss, transform and routing methods were calculated based on land cover/land use status and soil type. The calibration results for rainfall runoff at Junction-22 for the year of 2008 showed an excellent Nash-Sutcliffe Efficiency (NSE) value of 0.732, proving the high accuracy of the model. Simulation results for runoff volume at the same junction in 2017 using calibrated parameter values showed an acceptable NSE value of 0.535. Thus, the overall model efficiency of HEC-HMS was validated. The results of a pilot simulation of the impact of climate change on runoff volume under RCP scenarios 4.5 and 8.5 for the year 2050 forecast potential exacerbation of the seasonality in precipitation, in addition to showing a dissimilar pattern from the present, suggesting potential water management issues. Since future management methods should take into account the intensity and frequency of precipitation during the dry and rainy seasons, which vary due to climate change, validation of the HEC-HMS as a tool for predicting runoff volume in the mid- to long-term future is important.

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ABSTRACT
1. 서론
2. 연구내용 및 방법
3. 결과 및 고찰
4. 결론
References

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