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2020 Vol.53, Issue 10

Review Article

Ecohydraulics – the significance and research trends

생태수리학의 의의와 전망

Hyoseop Wooa*
우 효섭a*
aProfessor, School of Earth Science and Environmental Engineering, Gwangju Institute of Science and Technology
a광주과학기술원 지구환경공학부 산학교수
* Corresponding Author
31 October 2020. pp. 833-843
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Abstract

Ecohydraulics is a newly born discipline in the early 1990s by the interdisciplinary approach combined with aquatic ecology in one discipline and geomorphology, hydrology, and fluid hydrodynamics in another. Major areas of ecohydraulics can be delineated as habitat hydraulics (including environmental flow), vegetation hydraulics, eco-corridor hydraulics, eutrophication hydraulics, and ecological restoration hydraulics. Reviews of relevant international journals and literature reveal that ecohydraulics has remained in the limited areas of fish response, hydraulic modeling, and physical habitat response. It has not reached a truly interdisciplinary stage. Literature reviews in Korea reveal that only 3% of the total number of the papers listed in the Journal of KWRA during the last 24 years is related to ecohydraulics. It is about 20% of the total listed in the Journal of Ecology and Resilient Infrastructure. Most of those related to ecohydraulics in Korea concern vegetation hydraulics, habitat hydraulics, and ecological restoration hydraulics. In contrast, dynamic flow modeling areas, including turbulence, fauna motion simulation, and eutrophication hydraulics, are not found. Areas of further research in ecohydraulics in Korea may be specified as follows: 1) environmental flows adapted to the traits of the rivers in Korea, 2) development of the dynamic floodplain vegetation models (DFVM) to assess the changes from the white river to green river, 3) development of the eutrophication hydraulic model to predict the freshwater algal blooms, and 4) development of the models to evaluate the physical, chemical, and biological impacts of the stream restoration, decommissioning and removal of old weirs or small dams.

Keywords
Ecohydraulics
Interdisciplines
Habitat
Environmental flow
Dynamic floodplain vegetation model (DFVM)
Eutrophication
Stream restoration

생태수리학은 수생생태학을 한 축으로, 지형학, 수문학, 유체동력학 등을 또 다른 한 축으로 1990년대 초 탄생한 다학제간 연구분야이다. 생태수리학을 흐름, 유사이송, 지형, 동식물, 수리구조물 등 5가지 주요인자 간 상호 관계나 작용을 기준으로 구분하면 서식처수리( 환경유량 포함), 식생수리, 생태통로수리, 부영양화수리, 생태복원수리의 5개로 나눌 수 있다. 지난 20여 년간 관련 국제논문집에 게재된 생태수리학 관련연구는 물고기반응, 수리모델링, 물리서식처반응 분야에 치우쳤으며, 이는 아직 진정한 학제 간 상호반응적 연구단계로 진입하지 못했음을 의미한다. 한편 1997년 이후 한국수자원학회 논문집에 게재된 생태수리학 관련논문 수는 전체의 3% 수준에 불과하며, 생태수리학과 더 밀접한 응용생태공학회 논문집에 게재된 논문 수도 20% 수준에 머물렀다. 이 두 논문집에 게재된 논문들은 주로 서식처수리, 식생수리, 생태복원수리 분야이었으며, 난류모의를 포함한 동적 흐름모의, 동물유영모의, 부영양화수리 분야는 사실상 없는 것으로 나타났다. 국내의 하천특성 및 생태수리학의 사회적 수요를 고려하여 앞으로 연구개발이 시급한 분야는 1) 국내하천 여건에 맞는 환경유량의 평가기법, 2) 화이트리버의 그린리버 변화현상을 평가할 수 있는 동적 홍수터식생모형(DFVM)의 개발, 3) 정수역 및 유수역에서 수리조건 중심으로 조류생성을 평가할 수 있는 모형개발, 4) 하천지형복원이나 소형 보/댐의 가동정지(decommissioning) 및 철거에 따른 물리/화학/생물적 영향을 평가할 수 있는 모형개발 등이다.

키워드
생태수리학
학제간
서식처
환경유량
동적 홍수터식생모형(DFVM)
부영양화
하천복원
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Information
  • Publisher :KOREA WATER RESOURECES ASSOCIATION
  • Publisher(Ko) :한국수자원학회
  • Journal Title :Journal of Korea Water Resources Association
  • Journal Title(Ko) :한국수자원학회 논문집
  • Volume : 53
  • No :10
  • Pages :833-843
  • Received Date : 2020-08-15
  • Revised Date : 2020-09-09
  • Accepted Date : 2020-09-09
  • DOI :https://doi.org/10.3741/JKWRA.2020.53.10.833
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