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2020 Vol.30, Issue 3 Preview Page

Research Article

A Study on the Recharge Characteristics of Groundwater in Subcatchment including Spring Water Wells

샘물 취수정이 위치한 소유역의 지하수함양 특성에 관한 연구

Doo Gie Son1
,
Gyo-Cheol Jeong2*
손 두기1
,
정 교철2*
1Director, Joongang Consultant Co., Ltd.
2Professor, Department of Earth and Environmental Sciences, Andong National University
1중앙컨설턴트(주) 이사
2안동대학교 지구환경과학과 교수
*Corresponding Author
30 September 2020. pp. 303-314
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Abstract

Bottled water companies submit monthly hydrologic data including periodical environmental effects investigation, daily water production capacity, water production, water level, water chemistry (pH, EC, temperature) per hour and strictly manage groundwater by periodical analyses. Thus few problems concerning drawdown due to excess intake of groundwater take place. Nevertheless, bottled water companies are imprinted as a contribution to civil affairs resulted regarding groundwater near the companies. Therefore, a new method is required during water balance analysis in environmental effects evaluation, which should be compatible with the evaluation by hydrologic experts as well more accessible to non-experts. In this study, water level of surface water and recharge rate in subcatchment where water production wells are located were measured and monthly baseflow rates were separated from normal streams. Besides, recharge properties of groundwater and surface water in the same catchment area were estimated using analyses of oxygen and hydrogen isotopes in groundwater (production well), surface water, and rainfall.

Keywords
baseflow
oxygen and hydrogen isotopic composition
spring water
recharge

먹는샘물 제조업체의 경우 주기적인 환경영향조사, 일취수량 제한, 그리고 취수량 및 수위, 수질(pH, EC, 온도)을 1시간 간격으로 계측하여 매월 보고하고, 정기 수질검사 등을 통해 엄격히 관리하고 있어 과잉 취수로 인한 지하수위 강하와 같은 문제가 발생하는 사례가 적으나 제조업체 주변 지하수관련 민원의 원인 제공자로 각인되고 있는 실정이다. 그러므로 환경영향조사의 물수지 분석 시 수문분야 전문가들의 평가에 부합하고, 비전문가에게도 쉽게 접근할 수 있는 기법의 제시가 필요하다고 판단된다. 따라서 샘물 취수정이 위치한 소유역의 지표수 수위 및 유출량을 측정하고 상시하천의 월별 기저유출량을 분리하였다. 또한 동일 유역의 지하수(취수정), 지표수, 강수의 산소, 수소 동위원소를 분석하여 지하수와 지표수의 함양특성에 관하여 추정하였다.

키워드
기저유출
산소 ‧ 수소 동위원소
샘물
함양량
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Information
  • Publisher :Korean Society of Engineering Geology
  • Publisher(Ko) :대한지질공학회
  • Journal Title :The Journal of Engineering Geology
  • Journal Title(Ko) :지질공학
  • Volume : 30
  • No :3
  • Pages :303-314
  • Received Date : 2020-08-26
  • Revised Date : 2020-09-09
  • Accepted Date : 2020-09-10
  • DOI :https://doi.org/10.9720/kseg.2020.3.303
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