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http://dx.doi.org/10.9765/KSCOE.2011.23.6.442

Analysis of Hydrodynamic Change around the Saemangeum Area Using a Particle Tracking Method  

Suh, Seung-Won (Department of Coastal Construction Engineering, Kunsan National University)
Lee, Hwa-Young (Department of Ocean Science & Engineering, Kunsan National University)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.23, no.6, 2011 , pp. 442-450 More about this Journal
Abstract
A three dimensional random walk particle tracking method is applied to the Saemangeum area in order to find stepwise environmental changes according to long term construction. Flow regime around Mangyeong, Dongjin and Geum river estuary changed greatly due to dike construction. It is distinctive that reduction of Byeonsan area's flow field and stagnant change in the northern part of the inner reservoir. Similar characteristics are found through the tidal excursion analysis. By analysis of the vertical mixing structures according to density stratification based on temperature and salinity variation, a salt wedge and very strong stratification arises in the inner part of the reservoir after final closure, while it has been well mixed or partially mixed estuary during construction. Shrinking of horizontal dispersion and vertical mixing capability may cause adverse effect on water quality not only inner part but also outer region of the Saemangeum reservoir.
Keywords
Saemangeum; random walk; particle tracking; density stratification; environmental change;
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Times Cited By KSCI : 7  (Citation Analysis)
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