Journal of Wetlands Research (한국습지학회지)

Korean Wetlands Society (한국습지학회)
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Analysis of runoff reduction and storage capacity in permeable pavement parking lot

투수성 주차장에서의 강우 유출저감 및 저류용량 분석

  • Jung, Yongjun (Department of Environmental Engineering, Catholic University of Pusan) ;
  • Min, Kyungsok (Department of Environmental Engineering, Kyungpook National University)
  • 정용준 (부산가톨릭대학교 환경공학과) ;
  • 민경석 (경북대학교 환경공학과)
  • Received : 2017.07.13
  • Accepted : 2017.07.31
  • Published : 2017.08.31
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Abstract

Generally, a parking lot is constructed using asphalt or concrete. Such materials are impermeable, which means that a parking lot will directly release pollutants to any nearby water system during a rainfall event. An increased quantity of nonpoint source pollutants harms the ecohydrological system and causes further environmental damage leading to dysfunctional water circulation systems. Therefore, there is an urgent need for the design and application of Low Impact Development (LID) systems that allow more effective prevention of water circulation problems and management of nonpoint source pollution. This study aims to support such efforts by analyzing a permeable paver parking lot constructed using one of the LID techniques and comparing it to a conventional one in terms of the concentration of pollutants, nonpoint source pollution load and runoff rainfall lag effects during a rainfall event; it could serve as a reference for the construction of permeable paver parking lots in the future.

일반적으로 주차장은 아스팔트나 콘크리트 등 불투수층으로 조성되기 때문에 강우시 각종 오염물질이 수계로 배출됨에 따라 비점오염원 배출 부하량을 증가시키는 중요한 요인이 된다. 불투수층으로 인한 물순환장애 및 비점오염원 관리를 효과적으로 제어하고 관리할 수 있는 저영향개발(Low Impact Development)의 적용 및 필요성이 대두되고 있으며, 환경부는 개발사업에 대해 저영향개발 기법의 적용을 의무화하는 방안을 추진 중에 있다. 본 연구에서는 효율적인 빗물 및 비점오염원 관리를 위한 저영향개발 기법의 하나인 투수성 주차장에서 발생하는 강우 유출수의 오염물질 농도, 비점오염부하량, 초기세척현상 및 강우유출지연효과를 불투수성 주차장과 비교 분석하여 향후 투수성 주차장 설계시 기초자료로 활용할 수 있도록 하였다.

Keywords

References

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