Journal of the Korean earth science society (한국지구과학회지)

The Korean Earth Science Society (한국지구과학회)
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A Study of Changes in the Water Quality of Agricultural Reservoirs due to Drought

가뭄으로 인한 농업용 저수지의 수질 변화 연구

  • Cho, SungHyen (National Instrumentation Center for Environmental Management, Seoul National University) ;
  • Hwang, Soonho (Institute of Agriculture and Life sciences, College of Agriculture and Life Sciences, Seoul National University) ;
  • Lee, Dongguen (National Instrumentation Center for Environmental Management, Seoul National University) ;
  • Lee, Guntaek (National Instrumentation Center for Environmental Management, Seoul National University) ;
  • Choi, Jung-Hoon (Jeonbuk Regional Headquarter, Korean Rural Community Corporation)
  • 조성현 (서울대학교 농생명과학공동기기원) ;
  • 황순호 (서울대학교 농업생명과학대학 농업생명과학연구원) ;
  • 이동근 (서울대학교 농생명과학공동기기원) ;
  • 이군택 (서울대학교 농생명과학공동기기원) ;
  • 최정훈 (한국농어촌공사 전북지역본부)
  • Received : 2022.02.07
  • Accepted : 2022.02.20
  • Published : 2022.02.28
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Abstract

Frequent drought damage has resulted in the polarization of water resources. In Korea, local periodic abnormal droughts continued to occur between 2011 and 2017, resulting in decreased water storage rates of small-scale reservoirs designed with a frequency of 10-year droughts. This decrease can degrade water quality and limit the use of already secured quantities. Therefore, to prepare for and overcome drought, quality management and recalculation of drought frequency are required. This study estimates the potential pollutants causing quality changes in the reservoir. In addition, it reviews the decrease in storage and consequent changes in the quality of a reservoir during drought.

빈번한 가뭄의 피해는 수자원의 양극화를 초래하고 있다. 국내에서는 2011년부터 2017년 사이에 국지적이고 주기적인 이상 가뭄이 지속되어 10년 가뭄 빈도로 설계된 소규모 저수지의 저수율이 감소하였다. 이러한 저수율의 감소는 수질을 떨어트릴 수 있고 이미 확보된 용수의 사용마저 제한할 수 있다. 따라서 가뭄에 대비하고 극복하기 위해서는 수질관리와 가뭄 빈도의 재산정이 필요하다. 이 연구는 저수지에서 수질 변화의 원인인 잠재적 오염물질을 추정하고, 가뭄 기간 동안 저수지의 저수율 감소와 그에 따른 수질 변화를 검토한 것이다.

Keywords

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