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http://dx.doi.org/10.7837/kosomes.2014.20.5.511

Hypoxia Estimation of Coastal Bay through Estimation of Stratification Degree  

Jung, Woo-Sung (Department of Ecological engineering, Pukyong National University)
Lee, Won-Chan (Marine Environmental Management Division, National Fisheries Research & Development Institute)
Hong, Sok-Jin (Marine Environmental Management Division, National Fisheries Research & Development Institute)
Kim, Jin-Lee (Department of water Environt Research, National Institute of Environmental Research)
Kim, Dong-Myung (Department of Ecological engineering, Pukyong National University)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.20, no.5, 2014 , pp. 511-525 More about this Journal
Abstract
Goal of this study is estimating of validity of calculated vertical diffusion coefficient for Masan bay is semi-enclosed bay by using eco-hydrodynamic model that is used to analysis of physical structure of coastal waters and calculates the vertical diffusion coefficient. physical structure of coastal waters is calculated by EFDC model, vertical diffusion coefficient calculated as the density gradient is bigger, the vertical diffusion coefficient as density gradient is increases, the vertical diffusion coefficient is decreased. Validity of vertical diffusion coefficient estimated by reproducibility of concentration of dissolved oxygen that calculated in ecosystem model is constructed by Stella program. The Results of model in 2008~2009 were $R^2$ value of 2008 is 0.529~0.700 and $R^2$ value is 0.542~0.791. This results were similar to observed data and simulated to hypoxia at that time. The 'vertical diffusion coefficient' represents stratification and physical stable of a water body, and will be useful for prediction of Hypoxia outbreak.
Keywords
Vertical diffusion coefficient; Prediction of Hypoxia; Semi-enclosed bay; Stratification; Ecosystem model;
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Times Cited By KSCI : 8  (Citation Analysis)
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