Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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An Efficient Management of Sediment Deposit for Reservoir Long-Term Operation (1) - Reservoir Sediment Estimation

저수지 장기운영을 위한 퇴적토사의 효율적 관리(1) - 저수지 퇴사량 산정

  • Ahn, Jae Hyun (Department of Civil Engineering, Seokyong University) ;
  • Jang, Su Hyung (Research Center for Disaster Prevention Science and Technology, Korea University) ;
  • Choi, Won Suk (Department Institute of Construction Technology, Hyundai Engineering & Construction) ;
  • Yoon, Yong Nam (Water Resources Dept., Saman Corporation)
  • 안재현 (서경대학교 토목공학과) ;
  • 장수형 (고려대학교 방재과학기술연구센터) ;
  • 최원석 ((주) 현대건설 기술개발원(설계)) ;
  • 윤용남 ((주) 삼안 수자원부)
  • Received : 2006.08.24
  • Accepted : 2006.10.13
  • Published : 2006.11.30
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Abstract

In this study, the method of annual sediment estimation for reservoir long-term operation is proposed. Long-term daily precipitation and evaporation are predicted by Markov Chain. Using these values, reservoir inflow is simulated by NWS-PC model. Reservoir sediment load is estimated by sediment rating relation curve which is observed. From the simulation results, it was found that each simulated value by Markov Chain and NWS-PC was well compared to the observed ones and also estimated reservoir sediment was appropriate to the compared values using empirical equations. It is thought that the proposed method for estimation of reservoir sediment can be useful used to operate the reservoir.

Keywords

Acknowledgement

Supported by : 한국건설교통기술평가원

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