Journal of Soil and Groundwater Environment (한국지하수토양환경학회지:지하수토양환경)

Korean Society of Soil and Groundwater Environment (한국지하수토양환경학회)
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Evaluation of Well Production by a Riverbank Filtration Facility with Radial Collector Well System in Jeungsan-ri, Changnyeong-gun, Korea

경남 창녕군 증산리 일대 방사집수정을 활용한 강변 여과수 개발량 평가

  • Lee, Eun-Hee (School of Earth and Environmental Sciences, Seoul National University) ;
  • Hyun, Yun-Jung (School of Earth and Environmental Sciences, Seoul National University) ;
  • Lee, Kang-Kun (School of Earth and Environmental Sciences, Seoul National University) ;
  • Kim, Hyoung-Soo (Department of Alternative Energy Development, Jungwon University) ;
  • Jeong, Jae-Hoon (Pan Asia Water Co.)
  • 이은희 (서울대학교 지구환경과학부) ;
  • 현윤정 (서울대학교 지구환경과학부) ;
  • 이강근 (서울대학교 지구환경과학부) ;
  • 김형수 (중원대학교 에너지자원공학부) ;
  • 정재훈 (팬아시아워터)
  • Received : 2009.06.25
  • Accepted : 2009.12.16
  • Published : 2010.08.31
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Abstract

Well production by a riverbank filtration facility with multi-radial collector well systems in Jeungsan-ri, Changnyeong gun, Korea was evaluated. In this study, the drawdown at collector wells due to pumping and groundwater inflow rates along the horizontal arms of the collector wells were computed through numerical simulations. Sensitivities of the well production to hydraulic conductivity and well flow coefficient, which represents the resistance to the flow from the aquifer to the horizontal arms, were analyzed. Simulation results showed that, with given proposed pumping rate conditions, the drawdown in the caisson exceeded maximum drawdown constraints in the study site and the adjustment of the pumping rate at each well is needed. The drawdown is affected by the hydraulic conductivity of the main aquifer and the well flow coefficient, which means the profound field investigation of the study site is needed to accurately estimate the efficiency of riverbank filtration through radial collector wells.

Keywords

References

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