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http://dx.doi.org/10.3741/JKWRA.2014.47.10.891

Development and Assessment of Hedging Rule for Han River Reservoir System Operation against Severe Drought  

Kim, Jeong Yup (Geum River Flood Control Office)
Park, Myung Ky (Southeast Asia Dept., Korea Water Resources Corporation)
Lee, Gi Ha (Dept. of Construction and Disaster Prevention Eng., Kyungpook National University)
Jung, Kwan Sue (Dept. of Civil Engrg., Chungnam National Univ.)
Publication Information
Journal of Korea Water Resources Association / v.47, no.10, 2014 , pp. 891-906 More about this Journal
Abstract
This study suggests the hedging rule of MIP (Mixed Integer Programing) in counting the risk evaluation criteria of the objective function and constraints in order to provide the optimum operating rule in reservoir system as constraining water shortage as much as possible which may happen in the downstream control point of water supply in the aspect of water system management. The proposed model is applied to the Han-river reservoir system for two testing periods (Case I: Jan. 1993~Dec. 1997, Case II: Jan. 1999~Dec. 2003). The model based on the hedging rule with trigger volume, estimated in this study shows that in Case I, the monthly minimum discharge was $310.6{\times}10^6m^3$ in the single operation, $56.3{\times}10^6m^3$ in the joint operation, and $317.5{\times}10^6m^3$ in the hedging rule and also, in Case II, the monthly minimum discharge was found to be $204.2{\times}10^6m^3$ in the single operation, $111.2{\times}10^6m^3$ in the joint operation, and $243.7{\times}10^6m^3$ in the hedging rule. In conclusion, the hedging rule, proposed in this study can decrease vulnerability while guarantees reliability and resiliency.
Keywords
reservoir operation; hedging rule; MIP; water shortage;
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Times Cited By KSCI : 4  (Citation Analysis)
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