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http://dx.doi.org/10.7846/JKOSMEE.2012.15.3.186

Impacts on Residence Time and Water Quality of the Saemangeum Reservoir Caused by Inner Development  

Yoo, Sang-Cheol (Researcher, GeoSystem Research Corp.)
Suh, Seung-Won (Department of Coastal Construction Engineering, Kunsan National University)
Lee, Hwa-Young (Department of Coastal Construction Engineering, Kunsan National University)
Publication Information
Journal of the Korean Society for Marine Environment & Energy / v.15, no.3, 2012 , pp. 186-197 More about this Journal
Abstract
In order to understand hydrodynamic and water quality changes on the Saemangeum reservoir in accordance to inner development plan, intensive numerical simulations using EFDC have been done. Due to inner dike construction and proposed dredging plans, stratification might occur and yield flow field change. It should be noticed that very conditional gate operation schedule adjusting target water elevation of -1.5 meter causes severe stratification and hence plays an important role in poor water qualities. By using random walk particle tracking residence simulations, it is found that hydrodynamic characteristics depends greatly on riverine inflow conditions. It is also inferred that the northern part of the Mangyeong reservoir behaves as a dead zone and acts as major reasoning of water quality deterioration owing to benthic flux from long-term residing settled sediment.
Keywords
Saemangeum inner development; Target water level; Residence time; Water quality; Stratification;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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