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http://dx.doi.org/10.5389/KSAE.2013.55.4.083

Analysis of Flood Control Effects of Heightening of Agricultural Reservoir Dam  

Lee, Gwan Jae (강원대학교 지역건설공학과)
Park, Ki Wook (인하대학교 수자원시스템연구소)
Jung, Young Hun (한국농어촌공사 농어촌연구원)
Jung, In Kyun (한국수계연구소)
Jung, Kwang Wook (한국수계연구소)
Jeon, Ji Hong (안동대학교 환경공학과)
Lee, Ji Min (강원대학교 지역건설공학과)
Lim, Kyoung Jae (강원대학교 지역건설공학과)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.55, no.4, 2013 , pp. 83-93 More about this Journal
Abstract
Annual average precipitation of Korea is 1,277 mm and around 2/3 of annual precipitation and 74 % of available water resources occurred during monsoon period. In recent years, many agricultural reservoirs have been heightened to increase flood control capacity, reduce flooding damage at downstream areas, and provide sustainable environmental flow during drought period. Thus in this study, the flood control effects of heightening of reservoir banks were simulated with HEC-ResSim and HEC-RAS models. These modes were applied to Bonghak reservoir and it was found that flood control effects were 3~4.5 % with 7 -m heightening. Also, with proper operation (1 m lower of full water level) of reservoir right before the monsoon period, flooding at downstream could be prevented even with design storm of 80 -year recurrence interval. As shown in this study, heightening of agricultural reservoir provides positive effects in flood control and flood damage reduction.
Keywords
HEC-RAS; HEC-ResSim; Heightening; Reservoir;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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