Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Analysis of Precipitation Effects Using Groundwater Level and Electrical Conductivity Fluctuations

지하수위 변동량과 전기전도도 변동량을 이용한 강수 효과 분석

  • Jo, Won Gi (Institute of Environmental Geosciences, Pukyong National University) ;
  • Kang, Dong-hwan (Institute of Environmental Geosciences, Pukyong National University) ;
  • Park, Kyoung-deok (Institute of Environmental Geosciences, Pukyong National University) ;
  • Kim, Moon-su (National Institute of Environmental Research) ;
  • Shin, In-Kyu (National Institute of Environmental Research)
  • Received : 2021.04.28
  • Accepted : 2021.06.10
  • Published : 2021.07.31
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Abstract

Moving average precipitation provides periodic precipitation patterns by solving precipitation irregularities. However, due to uncertain moving average periods, excessive data smoothing occurs, which limit the possibility to analyze groundwater levels in the short term. Nonetheless, groundwater level fluctuation can compensate these limitations as it can calculate appropriately for unit time and verify the effect of precipitation penetrated into groundwater in a short time period. In this study, the characteristics of groundwater level were evaluated using groundwater level fluctuation to compensate for limitations of groundwater level analysis using moving average precipitation. In addition, the groundwater quality was investigated using the electrical conductivity fluctuation. The study site was Hyogyo-ri, Yesan-si, Chungcheongnam-do. Four observation wells and an automated weather system were used. The correlation between groundwater level fluctuation and precipitation (Case 1) and the correlation between groundwater level and moving average precipitation (Case 3) were compared. In the analysis for 1 hour data, the correlation coefficient of Case 1 was higher than that of Case 3, and in the analysis for 1 day data, the correlation coefficient of Case 3 was higher than that of Case 1.

Keywords

Acknowledgement

본 논문은 환경부의 재원으로 국립환경과학원의 농축산지역 지하수 중 질산성질소 수질관리 개선사업(V)의 지원을 받아 수행하였습니다(NIER-2020-04-02-052). 본 논문은 2020년도 정부(교육부)의 재원으로 한국연구재단의 지원을 받아 수행되었습니다(NRF-2020R1I1A1A01073860).

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