한국환경복원기술학회지 (Journal of the Korean Society of Environmental Restoration Technology)

  • 제16권2호
  • /
  • Pages.137-153
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  • 2013
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  • 1229-3032(pISSN)
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  • 2733-5011(eISSN)
한국환경복원기술학회 (The Korea Society of Environmental Restoration Technology)
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영천강 만곡부의 저수수제군이 생태계 및 하상변동에 미치는 효과

Effects of Submerged Spur Dikes on the Ecosystem and Bed Deformation in Youngcheon River Bend

  • 김기흥 (경남과학기술대학교 토목공학과) ;
  • 이형래 (경남과학기술대학교 토목공학과) ;
  • 정혜련 (경남과학기술대학교 토목공학과)
  • Kim, Ki Heung (Department of Civil Engineering, Gyeongnam National University of Science and Technology) ;
  • Lee, Hyeong-Rae (Department of Civil Engineering, Gyeongnam National University of Science and Technology) ;
  • Jung, Hea Reyn (Department of Civil Engineering, Gyeongnam National University of Science and Technology)
  • 투고 : 2012.12.12
  • 심사 : 2013.03.13
  • 발행 : 2013.04.30
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초록

In order to assess the effects of ecosystem and landscape in around spur dikes, this study had carried out monitoring on the changes of ecosystem and morphologic characteristics in around spur dikes that had been settled in bend of Youngcheon River. The study site was a short reach with length 190m, spur dikes were installed in March, 2008. Monitoring of the site had been started in May 2008 and had been completed September 2011. The results are as follow ; 1) Spur dikes that were installed for channel stabilization are performing effectively hydraulic functions at flooding time. 2) Spur dikes that were installed in water colliding front of river bend brought about sediment deposition between those and formed pools around front of those. Therefore, it was verified to create various physical characteristics in the aspect of channel topography and flow consequently. 3) The survey results that was carried out in October 2008 showed to emerge 25 species of plant, 9 species of fish and 17 species of benthic macroinvertebrates, but the survey results in October 2010 showed to emerge 74 species of plant, 12 species of fish and 19 species of benthic macroinvertebrates. In particular, plant species that emerged in 2011 increased about three times more than those in 2008.

키워드

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피인용 문헌

  1. The Investigation of Faunal Habitat Based on Ecological Rostoration of Urban Streams in Ulsan vol.16, pp.5, 2013, https://doi.org/10.13087/kosert.2013.16.5.001
  2. Changes in Channel Geomorphology and Hydraulics by Submerged Spur Dikes at a Channelized Stream vol.2, pp.1, 2015, https://doi.org/10.17820/eri.2015.2.1.042