Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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An Integrated Water Budget Analysis of Oedocheon Watershed in Jeju Island

제주 외도천 유역의 통합 물수지 분석

  • Kim, Nam Won (Hydro Science and Eng. Res. Inst. Korea Institute of Civil Eng. and Building Technology) ;
  • Chung, Il-Moon (Hydro Science and Eng. Res. Inst. Korea Institute of Civil Eng. and Building Technology) ;
  • Na, Hanna (Hydro Science and Eng. Res. Inst. Korea Institute of Civil Eng. and Building Technology)
  • 김남원 (한국건설기술연구원 수자원.하천연구소) ;
  • 정일문 (한국건설기술연구원 수자원.하천연구소) ;
  • 나한나 (한국건설기술연구원 수자원.하천연구소)
  • Received : 2015.02.18
  • Accepted : 2015.03.30
  • Published : 2015.04.30
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Abstract

Hydrologic component analysis was conducted to investigate water budget characteristics the Oedocheon watershed, Jeju Island. For this purpose, integrated SWAT-MODFLOW model was applied to this watershed for continuous surface water-groundwater modeling. Pasture and forest-deciduous are the major land use types and these affect general hydrologic component ratio. The spatio-temporal groundwater recharge can be obtained from SWAT and then distributed groundwater recharge can be reproduced by MODFLOW. The groundwater level variation was simulated with distributed groundwater pumping data. The water budget in this watershed was compared with the previous estimated result by Jeju-Do(2013). As this result considered discharge to the coastal side, the discrepancy was found. However, it was found that the overall tendency of both analyses were similar.

Keywords

References

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