한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제61권5호
  • /
  • Pages.33-47
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  • 2019
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  • 1738-3692(pISSN)
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  • 2093-7709(eISSN)
한국농공학회 (The Korean Society of Agricultural Engineers)
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농업용저수지를 이용한 환경생태유량 확보방안 경제성 비교 연구 - 동복천을 중심으로 -

A Economic Feasibility Study on Environmental Ecology Flow Supply Plan using Agricultural Reservoir - Focused on Dongbok River -

  • Park, Jin-hyeon (Gyeonggi Regional Headquarter, Korea Rural Community Corporation (KRC)) ;
  • Ko, Jae han (Jeonnam Regional Headquarter, Korea Rural Community Corporation (KRC)) ;
  • Sung, Mu-hong (Youngsangang Project Office, Korea Rural Community Corporation (KRC)) ;
  • Jung, Hyoung-mo (Project Planning Office, Korea Rural Community Corporation (KRC)) ;
  • Park, Tae-sun (Project Planning Office, Korea Rural Community Corporation (KRC)) ;
  • Kwak, Yeong Cheol (Project Planning Office, Korea Rural Community Corporation (KRC)) ;
  • Choi, Woo-young (Korea Water Resources Corporation (Kwater)) ;
  • Boem, Jina (Department of Rural and Bio-Systems Engineering, Chonnam National University) ;
  • Jeung, Minhyuk (Department of Rural and Bio-Systems Engineering, Chonnam National University) ;
  • Yoo, Seung-hwan (Department of Rural and Bio-Systems Engineering, Chonnam National University) ;
  • Yoon, Kwang-sik (Department of Rural and Bio-Systems Engineering, Chonnam National University)
  • 투고 : 2019.08.03
  • 심사 : 2019.08.21
  • 발행 : 2019.09.30
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초록

The environmental ecological flow (EEF) of stream or river will be designated according to the enforcement of the Water Environment Preservation Act. Previous researches by Ministry of Environment have proposed agricultural reservoirs as alternative resources to secure river flow where multi-purpose dam does not exist. However, agricultural reservoirs are constructed for the supply of agricultural water, and in fact, there is not a sufficient amount of water to be supplied to rivers as EEF. Therefore, this study examines the economic feasibility of securing EEF through the remodeling or construction of agricultural reservoirs. We investigated water balance of reservoir through simulation of three types of water supply demands such as agricultural water, agricultural water and river maintenance flow, and agricultural water and environmental ecology flow. The economics analysis was conducted on water supply demands and corresponding remodeling or construction of reservoirs. As a result, it was found that the method of securing through heightening existing reservoir enhancement is economically feasible. However, it was not possible to secure all the amount of the EEF due to the size limitation of existing reservoirs or constrain of the watershed for newly built reservoir. Therefore, in order to secure all of the EEF, the utilization of other alternatives as well as agricultural reservoirs should be considered. This study demonstrated the method of economical feasibility study of securing river maintenace flow and EEF using agricultural reservoirs and other considerations.

키워드

참고문헌

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