한국농공학회논문집 (Journal of The Korean Society of Agricultural Engineers)

  • 제51권3호
  • /
  • Pages.53-62
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  • 2009
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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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빈도분석에 의한 저수지 유입량 산정

Estimation of Reservoir Inflow Using Frequency Analysis

  • 맹승진 (충북대학교 농업생명환경대학 지역건설공학과) ;
  • 황주하 (충북대학교 농업생명환경대학 지역건설공학과) ;
  • 시강 (충북대학교 농업생명환경대학 지역건설공학과)
  • 발행 : 2009.05.31
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초록

This study was carried out to select optimal probability distribution based on design accumulated monthly mean inflow from the viewpoint of drought by Gamma (GAM), Generalized extreme value (GEV), Generalized logistic (GLO), Generalized normal (GNO), Generalized pareto (GPA), Gumbel (GUM), Normal (NOR), Pearson type 3 (PT3), Wakeby (WAK) and Kappa (KAP) distributions for the observed accumulative monthly mean inflow of Chungjudam. L-moment ratio was calculated using observed accumulative monthly mean inflow. Parameters of 10 probability distributions were estimated by the method of L-moments with the observed accumulated monthly mean inflow. Design accumulated monthly mean inflows obtained by the method of L-moments using different methods for plotting positions formulas in the 10 probability distributions were compared by relative mean error (RME) and relative absolute error (RAE) respectively. It has shown that the design accumulative monthly mean inflow derived by the method of L-moments using Weibull plotting position formula in WAK and KAP distributions were much closer to those of the observed accumulative monthly mean inflow in comparison with those obtained by the method of L-moment with the different formulas for plotting positions in other distributions from the viewpoint of RME and RAE.

키워드

참고문헌

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피인용 문헌

  1. Development of Operation Rules in Agricultural Reservoirs using Real-Time Water Level and Irrigation Vulnerability Index vol.55, pp.6, 2013, https://doi.org/10.5389/KSAE.2013.55.6.077