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Effects of controlling plans of non-point pollutant sources in dongcheon of Ulsan

울산시 동천 비점오염원 제어효과

  • Kang, Ho Seon (Department of Civil & Environmental Engineering, Ulsan University) ;
  • Cho, Hong Je (Department of Civil & Environmental Engineering, Ulsan University)
  • 강호선 (울산대학교 건설환경공학부) ;
  • 조홍제 (울산대학교 건설환경공학부)
  • Received : 2014.02.05
  • Accepted : 2014.06.05
  • Published : 2014.06.15

Abstract

In this study, we suggested 4 plans to reduce non-point pollutant sources in Dongcheon and analyzed their controlling effects by water quality modeling, XP-SWMM. To do this we identified the influx of non-point pollutant sources to the initial rainwater through the water quality survey in the river and analyzed the causes of them at major locations, and suggested 4 kinds of plans reducing non-point pollutant sources. Plans reducing the non-point pollutant sources through cleaning the industrial road around the river(plan A), through a separate treatment facilities like the gutter(plan B), through installing treatement facilities(plan C), or through combing plan B and C(plan D) were analyzed using XP-SWMM model. The analysis showed that plan A, B, C and D reduced non-point pollutant sources average 21.7 %, 24.7 %, 49.3 %, 56.7 % respectively. Therefore, the water quality pollution in Dongcheon due to the influx of non-point pollutant sources is considered to be reduced effectively though cleaning the road, installed at the exits of paddy or factory basins, invasion type facilities or equipment-type facilities.

Keywords

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