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http://dx.doi.org/10.3741/JKWRA.2013.46.6.629

Assessment of Influx Efficiency at By-Pass Fishway Using Two-Dimensional Physical Habitat Simulation Model -Focused on Zacco Platypus-  

Baek, Kyong Oh (Department of Civil, Safety, and Environmental Engineering, Hankyong National University)
Park, Ji Hyun (Department of Environmental Engineering, Inje University)
Kim, Young Do (Department of Environmental Engineering, Inje University)
Publication Information
Journal of Korea Water Resources Association / v.46, no.6, 2013 , pp. 629-642 More about this Journal
Abstract
In this study, the efficiency of the by-pass fishway installed at Kangjung-Goryong Weir in Nakdong River was assessed by using River2D which is a two-dimensional physical habitat simulation model. The model was calibrated and validated through the measured water elevation. The assessment was performed according to flow condition such as flood, normal, and low flow. Especially the low flow condition was focused on because the target fish, Zacco Platypus, have moved frequently up and downstream at the spawning season from April to June. From simulation results, it can be deduced that the influx efficiency and the passage efficiency of the fishway in the low flow is higher than that in the flood and normal flow due to occurrence of proper velocity at fishway entrance.
Keywords
by-pass fishway; Kangjung-Goryong Weir; River2D; attraction efficiency; passage efficiency;
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Times Cited By KSCI : 10  (Citation Analysis)
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