Journal of The Korean Society of Agricultural Engineers (한국농공학회논문집)

The Korean Society of Agricultural Engineers (한국농공학회)
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Simulation of Water Redistribution for the Resized Beneficiary Area of a Large Scale Agricultural Reservoir

대규모 농업용저수지 수혜면적 변화에 따른 효율적 용수재분배 모의

  • Sung, Muhong (Chonnam Regional Headquarter, Korea Rural Community Corporation (KRC)) ;
  • Jeung, Minhyuk (Department of Rural and Bio-Systems Engineering, Chonnam National University) ;
  • Beom, Jina (Department of Rural and Bio-Systems Engineering, Chonnam National University) ;
  • Park, Taesun (Kangwon Regional Headquarter, Korea Rural Community Corporation (KRC)) ;
  • Lee, Jaenam (Rural Research Institute, Korea Rural Community Corporation (KRC)) ;
  • Jung, Hyoungmo (Project Planning Office, Korea Rural Community Corporation (KRC)) ;
  • Kim, Youngjoo (Department of Cadastre and Civil Engineering, VISION College of Jeonju) ;
  • Yoo, Seunghwan (Department of Rural and Bio-Systems Engineering, Chonnam National University) ;
  • Yoon, Kwangsik (Department of Rural and Bio-Systems Engineering, Chonnam National University)
  • Received : 2020.12.23
  • Accepted : 2021.02.15
  • Published : 2021.05.31
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Abstract

Optimal water management is to efficiently and equally supply an appropriate amount of water by using irrigation facilities. Therefore, it is necessary to evaluate water supply capacity through distribution simulation between the designed distribution rate and re-distributed rate according to the changed farming conditions. In this study, we recalculated the agricultural water supply amount of Geumcheon main canal, which beneficiary area was reduced due to the development of Gwangju-Jeonnam innovation city, and we constructed a canal network using the SWMM model to simulate the change in supply rate of each main canal according to the re-distributed rate. Even though the supply amount of the Geumcheon main canal was reduced from 1.20 m3/s to 0.90 m3/s, it showed a similar supply rate to the current, and the reduced quantity could be supplied to the rest of the main canal. As a result, the arrival time at the ends of all main canal, except for the Geumcheon main canal, decreased from 1 to 3 hours, and the supply rate increased from 4 to 17.0% at the main canal located at the end of the beneficiary area of Naju reservoir.

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