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A Simulation Method for Reduction Facilities of Natural Type for Non-Point Pollution by the SWMM

SWMM을 이용한 자연형 비점오염 저감 시설의 모의 방법

  • Kang, Taeuk (Industry-Academic Cooperation Foundation, Kyungsung University) ;
  • Lee, Sangjin (K-water Research Institute, K-water)
  • 강태욱 (경성대학교 산학협력단) ;
  • 이상진 (한국수자원공사 K-water연구원)
  • Received : 2015.11.04
  • Accepted : 2016.02.17
  • Published : 2016.04.30

Abstract

Recently, adapting facilities of natural type for non-point pollution is being proliferated to replace reduction facilities of manufactured type. However, integrated removal efficiency of the reduction facilities of natural type for non-point pollution is difficult to estimate because those facilities are distributed on several locations in a basin. The facilities of natural type also reduce pollutant load by storage, infiltration, and lag of stormwater. The study suggested a simulation method for the reduction facilities of natural type for non-point pollution using the SWMM. The method was applied to a study area, and it was evaluated whether the planned reduction facilities of manufactured type for non-point pollution may be replaced with facilities of natural type. Consequently, reduction facilities of natural type for non-point pollution with artificial wetland and vegetative swale could remove 93.6% of the non-point pollution that is planned to treat with the reduction facilities of manufactured type for non-point pollution. The results from the study will be used to plan natural stormwater treatment devices.

Keywords

non-point source pollution;reduction facilities for non-point pollution;facilities of natural type;facilities of manufactured type;removal efficiency of pollution load

Acknowledgement

Supported by : 국토교통부

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  1. Effectiveness of Settling Treatment System to Reduce Urban Nonpoint Source Pollutant Load by First Flush vol.39, pp.3, 2017, https://doi.org/10.4491/KSEE.2017.39.3.140