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http://dx.doi.org/10.15681/KSWE.2015.31.1.1

Assessment of Attraction Efficiency of By-pass Fishway at Dalseong Weir According to Operating Attraction Waterway  

Park, Ji Hyun (Department of Environmental Engineering (NRERC), Inje University)
Ku, Young Hun (Department of Environmental Engineering (NRERC), Inje University)
Baek, Kyong Oh (Department of Civil, Safety, and Environmental Engineering, Hankyong National University)
Kim, Young Do (Department of Environmental Engineering (NRERC), Inje University)
Publication Information
Journal of Korean Society on Water Environment / v.31, no.1, 2015 , pp. 1-11 More about this Journal
Abstract
In this study, the attraction efficiency of the by-pass fishway installed at Dalseong Weir in Nakdong River was assessed according to operation of the attraction waterway by using River2D which is a two-dimensional physical habitat simulation model. The model was calibrated and validated through the measured water elevation. The attraction efficiency of the fishway was evaluated at the low flow condition because the target fish, Zacco platypus (Z. platypus), have moved frequently up and downstream at the spawning season from April to June. From simulation results, it can be deduced that the attraction efficiency at situation of open attraction waterway is superior to that of close attraction waterway. Also it is shown that velocity field at inner region of the fishway is suitable for migration of the fish.
Keywords
Attraction efficiency; Attraction waterway; By-pass fishway; Dalseong weir; River2D;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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