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논문 기본 정보

자료유형
학술저널
저자정보
Hyung Jin Shin (건국대학교) Seong Joon Kim (건국대학교)
저널정보
대한토목학회 KSCE JOURNAL OF CIVIL ENGINEERING KSCE JOURNAL OF CIVIL ENGINEERING Vol.11 No.6
발행연도
2007.11
수록면
311 - 319 (9page)

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초록· 키워드

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The purpose of this paper is to evaluate climate impact on snow hydrology using SLURP (Semi-distributed Land Use-based Runoff Process) model for two mountainous watersheds (A; 6661.5 ㎢ and B; 2694.4 ㎢) of South Korea. The climate change results of CCCma CGCM2 based on SRES A2 and B2 were adopted. Three sets of NOAA AVHRR images (1997-1998, 1999-2000, 2000-200 I) were analyzed to prepare snow-related data of the model. Snow cover areas were extracted using channels 1,3 and 4, and the snow depth was spatially interpolated using snowfall data of ground meteorological stations. For 4 years (1998-2001) discharge comparison, the average Nash-Sutcliffe efficiencies of A and B watersheds during the snow period (January to April) were 0.60 and 0.68, respectively. In case of A2 scenario, the 2100 runoff of A and B watersheds for 44.4% and 85.9% increase of snowfall increased 67.3% and 19.6% comparing with the 2000 runoff. In case of B2 scenario, the 2100 runoff for 10.3% and 41.3% increase of snowfall increased 38.8% and 9.8% for A and B watersheds, respectively. The results showed that the time of snowmelt runoff was advanced about one month.

목차

Abstract
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
Acknowledgements
References

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