대한토목학회논문집 (KSCE Journal of Civil and Environmental Engineering Research)

  • 제28권6B호
  • /
  • Pages.615-625
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  • 2008
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  • 1015-6348(pISSN)
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  • 2799-9629(eISSN)
대한토목학회 (Korean Society of Civil Engeneers)
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국내유역의 하천분류 및 하도진화모형 적용

Classification of Streams and Application of Channel Evolution Model in Korea

  • 임창수 (청운대학교 철도행정토목학과) ;
  • 이준호 (국토해양부 영산강홍수통제소) ;
  • 정재욱 ((주)진영엔지니어링) ;
  • 윤세의 (경기대학교 공과대학 토목환경공학부)
  • 투고 : 2007.07.05
  • 심사 : 2008.09.03
  • 발행 : 2008.11.30
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초록

본 연구에서는 금강유역의 제1지류인 지천과 섬진강유역의 제1지류인 요천에 대해서 하천분류를 실시하고 하도진화모형의 적용성을 검토하였다. Rosgen과 한국건설기술연구원에서 제안된 하천분류방법을 적용하여 하천분류를 수행하였고, Schumm 등 (1984)에 의해서 연구 제안된 하도진화모형 결과를 바탕으로 지천과 요천 연구구간의 하도진화단계를 비교 검토하였다. Rosgen 하천분류 적용결과에 따르면 지천과 요천의 경우, 전체적으로 자갈이 혼재하는 산지하천의 특성을 보이고 있다. 하도진화모형 적용결과 지천 및 요천의 현재 하천상태는 Schumm 등 (1984)에 의해서 제시된 하도진화과정에 따르면 유사공급과 유사이송능력 사이에 평형이 발생하여 동적 평형상태가 이루어지고 있다. 본 연구의 결과는 치수사업의 계획, 하천복원 사업, 바람직한 하도계획 등에 필요한 기초자료를 제공할 것으로 생각된다.

In this study, classification of streams was conducted for Ji Stream, a tributary to the Geum River and Yo Stream, a tributary to the Seomjin River, and in addition, channel evolution model to the same streams was applied. The classification approaches suggested by Rosgen and Korea Institute of Construction Technology (KICT) were conducted. The channel evolution model suggested by Schumm et al. (1984) was applied. Based on the application results of Rosgen approach, Ji Stream and Yo stream show the characteristics of mountainous stream with pebbles. The application results of channel evolution model indicated that the current condition of Ji Stream and Yo Stream is a state of equilibrium, balancing the sediment supply and sediment transport capacity. The results of this study can be used as a fundamental data for water control project, river restoration and appropriate channel planning.

키워드

참고문헌

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