Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Impact of Urbanization on Hydrology of Geumho River Watershed: A Model Study

금호강 유역의 수문환경에 대한 도시화의 영향: 모형 연구

  • Kim, Jae-Chul (Department of Environmental System Engineering, Pukyong National University) ;
  • Lee, Jiho (Department of Civil and Environmental Engineering, Korea University) ;
  • Yoo, Chulsang (Department of Civil and Environmental Engineering, Korea University) ;
  • Kim, Sangdan (Department of Environmental System Engineering, Pukyong National University)
  • 김재철 (부경대학교 환경시스템공학부) ;
  • 이지호 (고려대학교 건축사회환경시스템공학부) ;
  • 유철상 (고려대학교 건축사회환경시스템공학부) ;
  • 김상단 (부경대학교 환경시스템공학부)
  • Received : 2007.05.07
  • Accepted : 2007.07.09
  • Published : 2007.07.30
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Abstract

The Geumho river watershed located in the middle of the Nakdong river has been threatened by high population growth and urbanization. Of concern specifically is the potential impact of future developments in the watershed on the reduction of base flow and the consequent risk of degradation of ecological habitats in Geumho river. Anticipated increase in imperviousness, on the other hand, is expected to elevate flood risk and the associated environmental damage. A watershed hydrology based modeling study is initiated in this study to assist in planning for sustainable future development in the Geumho river watershed. The Soil and Water Assessment Tool (SWAT) is selected to model the impact of urbanization in the Geumho river watershed on the hydrologic response thereof. The modeling results show that in general the likelihood that the watershed will experience high and low stream flows will increase in view of the urbanization so far achieved.

Keywords

Acknowledgement

Supported by : 소방방재청

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