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http://dx.doi.org/10.5389/KSAE.2018.60.3.095

Dam Inflow Evaluation using Hydrograph Analysis  

Jung, Younghun (Department of Construction & Disaster Prevention Engineering, Kyungpook National University)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.60, no.3, 2018 , pp. 95-105 More about this Journal
Abstract
Understanding the composition of the dam inflow can improve the efficiency of dam operation considering the seasonal characteristics. Hydrograph analysis is one of the methods to identify the characteristics of dam inflow. In addition, baseflow separation on the dam inflow can be affected by anthropogenic influences depending on dam locations. In this regard, the objectives of this study are 1) to analyze yearly and monthly baseflow contribution to the dam inflow and 2) to compare the baseflow contribution to the inflow in dams located upstream and downstream of the watershed. The result shows that the estimated baseflow index was smaller in the upstream dams compared to the downstream dams. Discharge from the upstream water infrastructure including dams and reservoirs can be a part of inflow into the downstream water infrastructure. Based on this scenario, the discharge regulated from the upstream dam could lead to overestimation of baseflow contribution to inflow into the downstream dam. We expect that the results from this study elucidate the role and function of dams and hence, contribute to the efficient operation of dams located in the upstream and the downstream of the watershed.
Keywords
Dam inflow; baseflow; direct runoff; baseflow index; dam operation;
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Times Cited By KSCI : 10  (Citation Analysis)
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