한국지하수토양환경학회지:지하수토양환경 (Journal of Soil and Groundwater Environment)

  • 제18권3호
  • /
  • Pages.11-22
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  • 2013
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  • 1598-6438(pISSN)
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  • 2287-8831(eISSN)
한국지하수토양환경학회 (Korean Society of Soil and Groundwater Environment)
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지하수 모델링을 통한 지하수댐 건설 효과 분석

Analyzing the Effect of Groundwater Dam Construction Using Groundwater Modeling

  • 김지욱 (한국수자원공사 지하수지반사업팀) ;
  • 임경남 (한국수자원공사 지하수지반사업팀) ;
  • 박현진 (한국수자원공사 지하수지반사업팀) ;
  • 이보경 ((주)유신 지반터널부)
  • 투고 : 2013.03.11
  • 심사 : 2013.06.26
  • 발행 : 2013.06.30
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초록

SEAWAT, a linked modeling program of Visual MODFLOW was used to analyze the change in groundwater levels and salinity related groundwater dam construction in Cheongsan island, Wando-Gun, Jeollanam-Do. The steady-state model results show the groundwater flow and salinity distribution of the studied area. The groundwater flows from north-west and south-east highlands into the river, located in the middle part of the basin, and is eventually discharged to the ocean. Part of the sea water infiltrates into the river; and through the estuary's alluvium aquifer, the sea water intrusion takes place spreading to about 830 m from the ocean. The transient model results show that after the groundwater dam construction, groundwater levels will rise to a maximum of 2.0 m upstream, and the groundwater storage will increase 21,000 after 10 years. Meanwhile 31% of the total area affected by sea water intrusion will decrease. To conclude, the groundwater dam is a very useful method for a secure water resource in preparation for drought and water shortages in the island regions.

키워드

참고문헌

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피인용 문헌

  1. A Study on the Flow and Dispersion in the Coastal Unconfined Aquifer (Development and Application of a Numerical Model) vol.49, pp.1, 2016, https://doi.org/10.3741/JKWRA.2016.49.1.61