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산지습지의 생태적 복원을 위한 수문학적 기능 평가에 관한 연구

A study on the estimation of hydrologic function for ecological restoration at forested wetland

  • 정유경 (국립산림과학원 산림생태연구과) ;
  • 강원석 (국립산림과학원 산림생태연구과) ;
  • 이헌호 (영남대학교 산림자원학과)
  • Jung, Yu-Gyeong (Forest Ecology Division, National Institute of Forest Science) ;
  • Kang, Won-Seok (Forest Ecology Division, National Institute of Forest Science) ;
  • Lee, Heon-Ho (Department of Forest Resources, Yeungnam University)
  • 투고 : 2022.04.29
  • 심사 : 2022.05.26
  • 발행 : 2022.06.30

초록

This study was conducted as restoration work to improve the discharge in forested wetlands where there is a concern of damage and observed changes in the discharge and groundwater level. The monthly changes showed that during the wet season, the amount of discharge decreased after restoration and GWL increased. It showed that during the dry season, the GWL and discharge increased. The increased discharge after restoration seems to be the difference in the number of days with no rainfall duration. The change in discharge for each unit of rainfall showed a tendency to increase the baseflow and decrease the direct discharge after restoration. The recharge ratio of GWL showed a decreasing tendency as rainfall was higher. After restoration, it showed a higher tendency under rainfall with less than 20mm. It has been confirmed that the restoration implemented by the study caused such an effect as the increased baseflow and increased GWL. It would be an effective restoration method to maintain water resources in forested wetlands. In the initial rainfall, it demonstrated a certain level of effect, but it is necessary to develop a restoration technology that can decrease the amount of water discharged after the end of rainfall or during the period of no rainfall to protect and maintain the forested wetlands. Streamflow should be identified by each type of terrain of wetlands and a proper restoration countermeasure should be devised for the site where the discharge frequently occurs.

키워드

과제정보

이 논문은 국립산림과학원에서 추진하는 연구(FE1011-2022-02)에 의해 지원되었음

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