Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Assessment of the Effects of Urbanization on the Watershed Streamflow

유량에 미치는 도시화 영향 평가

  • Jung, Younghun (Dept. of Regional Infrastructure Engineering, Kangwon National University) ;
  • Moon, Jongpil (National Academy of Agricultural Science) ;
  • Lee, Seung Oh (Dept. of Civil Engineering, Hongik University) ;
  • Park, Youn Shik (Department of Agricultural and Biological Engineering, Purdue University)
  • Received : 2013.11.08
  • Accepted : 2013.12.24
  • Published : 2014.01.31
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Abstract

도시화는 불투수면적의 증가로 인해 수문학적 변화를 초래하며 또한 지하수량의 감소와 지표유출의 증가와 같은 현상이 발생한다. 따라서 본 연구의 목적은 일유량을 기본으로 한 토지이용 변화 현상에 대한 영향을 정량적이고 공간적으로 다른 토지이용도를 이용하여 산정하는 것이다. 이에 따라 본 연구에서는 ARCSWAT의 SWAT2005 버전을 이용하여 갑천 유역을 일유량으로 모의 하였다. 모형의 검보정 후, 1997년부터 2001년 일유량으로 모의된 결과를 통계학적으로 분석하였고, 모의된 유량은 Mann-Whiteny method로 테스트 하였다. 도시 면적이 28 % 차이가 있는 경우 SWAT의 유량 모의 결과는 5 % 유의수준에서 도시화의 영향이 모의된 유량에 크게 영향을 주는 것으로 나타났다. 그러나 도시화의 공간적 변화는 5 % 유의수준에서 유량의 변화에 미치는 영향이 거의 없는 것으로 나타났다.

Keywords

References

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