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http://dx.doi.org/10.11614/KSL.2013.46.4.488

A Hydrodynamic Modeling Study to Analyze the Water Plume and Mixing Pattern of the Lake Euiam  

Park, Seongwon (Department of Environmental Science and Engineering, Ewha Womans University)
Lee, Hye Won (Department of Environmental Science and Engineering, Ewha Womans University)
Lee, Yong Seok (Department of Health and Environment, Hallym Polytechnic University)
Park, Seok Soon (Department of Environmental Science and Engineering, Ewha Womans University)
Publication Information
Korean Journal of Ecology and Environment / v.46, no.4, 2013 , pp. 488-498 More about this Journal
Abstract
A three-dimensional hydrodynamic model was applied to the Lake Euiam. The lake has three inflows, of which Gongji Stream has the smallest flow rate and poorest water. The dam-storage volume, watershed area, lake shape and discharge type of the Chuncheon Dam and the Soyang Dam are different. Therefore, it is difficult to analyze the water plume and mixing pattern due to the difference of the two dams regarding the amount of outflow and water temperature. In this study, we analyzed the effects of different characteristics on temperature and conductivity using the model appropriate for the Lake Euiam. We selected an integrated system supporting 3-D time varying modeling (GEMSS) to represent large temporal and spatial variations in hydrodynamics and transport of the Lake Euiam. The model represents the water temperature and hydrodynamics in the lake reasonably well. We examined residence time and spreading patterns of the incoming flows in the lake based on the results of the validated model. The results of the water temperature and conductivity distribution indicated that characteristics of upstream dams greatly influence Lake Euiam. In this study, the three-dimensional time variable water quality model successfully simulated the temporal and spatial variations of the hydrodynamics in the Lake Euiam. The model may be used for efficient water quality management.
Keywords
hydrodynamic model; residence time; mixing pattern; Lake Euiam; steady zone; water plume;
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Times Cited By KSCI : 1  (Citation Analysis)
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