대한환경공학회지 (Journal of Korean Society of Environmental Engineers)

  • 제37권1호
  • /
  • Pages.14-22
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  • 2015
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  • 1225-5025(pISSN)
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  • 2383-7810(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
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SWMM 모형을 이용한 시화호 유역의 강우 유출 특성 분석에 관한 연구

Analysis of Rainfall-Runoff Characteristics in Shiwha Industrial Watershed Using SWMM

  • 이혜원 (이화여자대학교 기후환경변화예측연구센터) ;
  • 최정현 (이화여자대학교 환경공학과)
  • Lee, Hye Won (Center for Climate/Environment Change Prediction Research (CCCPR), Ewha Womans University) ;
  • Choi, Jung Hyun (Department of Environmental Science and Engineering, Ewha Womans University)
  • 투고 : 2014.08.07
  • 심사 : 2015.01.05
  • 발행 : 2015.01.31
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초록

산업단지의 유량 및 오염물질 유출 특성을 분석하기 위하여, SWMM 모형을 시화산업단지 1간선수로에 적용하여 분석하였다. 2008년과 2009년에 시화1간선수로에서 측정한 6회의 단일 강우 사상을 대상으로 유출량 및 SS, COD, TN 및 TP 부하량의 보정을 실시하였다. 대부분 불투수지역으로 구성되어 있는 시화1간선수로 유역의 오염물질의 축적 과정은 지수 형태로 이루어진 후 강우에 유출되는 Power-linear을, 쓸림은 토지이용에 따라서 도시지역은 초기 세척을 잘 묘사할 수 있는 Power-Exponential이 적합한 것으로 판단된다. 검증된 SWMM 모형을 활용하여 불투수면적의 변화가 산업단지 내 유출량 및 첨두시간 변화에 미치는 영향 분석하였다. 본 연구지역에서는 불투수면적 증가에 따라 유출량의 감소는 보였으나, 첨두시간에는 유의한 변화를 보이지 않았다. 본 연구 결과는 산업단지의 불투수면 저감방안 수립 및 유역 관리를 위한 기초정보로 활용할 수 있을 것으로 판단된다.

In order to analyze the flow and pollutant runoff characteristics of industrial area, SWMM (Storm Water Management Model) was applied. The model was calibrated based on the measured data in the waterway of Sihwa industrial complex during six events, 2008-2009. The build-up process of pollutants is expressed as Power-linear form and washoff as Power-Exponential form. The validated model was used to analyze the change of the runoff characteristics in the industrial area. In the study area, runoff flow is decreased with an increase in impervious area, but there is no significant change in peak time. The results of this study will be used as basic information of impervious area reduction and watershed management in industrial areas.

키워드

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