KSCE Journal of Civil and Environmental Engineering Research (대한토목학회논문집)

Korean Society of Civil Engeneers (대한토목학회)
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A Simplified Model for Physical Habitat Simulation in Evaluation of Environmental Flow

생태유량 산정을 위한 간편 물리서식처 모의 모형

  • 임동균 (한국건설기술연구원 하천.해안항만연구실) ;
  • 최영우 (연세대학교 토목환경공학과) ;
  • 최성욱 (연세대학교 토목환경공학과) ;
  • 강형식 (한국환경정책평가연구원 물순환연구실)
  • Received : 2010.12.21
  • Accepted : 2011.01.21
  • Published : 2011.04.30
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Abstract

Physical habitat assessment models based on Instream Flow Incremental Methodology have been developed as a decision making tool to estimate appropriate discharge for environmental flow and water use management. These models, however, require extensive knowledge on various academic disciplines, complicated input data, and empirical data. We propose a Simplified Habitat (SIMHAB) simulation model for the estimation of physical structure of fish habitat and environmental flow at the planning stage. SIMHAB is applied to a river system for which physical and ecological data are available, and its applicability is investigated. Simulated results appeared to be similar to field survey data and those of such models as PHABSIM and River2D. However, SIMHAB requires much less input data. As such, the proposed model, SIMHAB can easily be applicable to river restoration projects including designing of physical habitat, estimation of environmental flow, and water resource management.

유량증분방법론에 근거한 물리서식처 평가 모형은 생태유량 산정과 하천의 이수 및 환경 기능과 관련한 유량 산정을 지원하기 위한 의사결정수단으로 개발되었다. 물리서식처 평가 모형은 다양한 관련 학문의 이해, 복잡한 입력자료, 그리고 경험을 필요로 한다. 본 연구에서는 계획 단계에서 물리서식처 구조와 생태유량 규모를 개략적으로 추정할 수 있는 간편 물리서식처 모의 모형(SIMHAB)을 제시하였다. SIMHAB을 물리 및 생태자료가 있는 하천에 적용하고 모형의 적정성을 검토하였다. 제시된 모형은 현장자료와 PHABSIM 및 River2D와 같은 기존의 물리서식처 모형의 결과와 유사하나, 적은 입력자료를 필요로 한다. 따라서 SIMHAB은 물리서식처, 생태유량, 수자원 관리 등을 포함하는 하천복원 사업에 손쉽게 활용될 수 있을 것이다.

Keywords

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