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http://dx.doi.org/10.5657/kfas.2008.41.2.134

Annual Variation in Oxygen-deficient Water Mass in Jinhae Bay, Korea  

Lee, In-Cheol (Department of Ocean Engineering, Pukyong National University)
Oh, Yoo-Jihn (Department of Ocean Engineering, Pukyong National University)
Kim, Heon-Tae (Department of Ocean Engineering, Pukyong National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.41, no.2, 2008 , pp. 134-139 More about this Journal
Abstract
To improve the oxygen-deficient water mass (ODW), the spatial and temporal variation in the water quality and characteristic of ODW occurrence were analyzed using yearly water quality data from 1989 to 2006 in Jinhae Bay, Korea. In addition, we estimated $ODW_{area},\;ODW_{vol.}$ and $ODW_R$ for Jinhae Bay. The overall water quality improved during the 2000s, based the annual variation in dissolved oxygen, chemical oxygen demand, etc. A cluster analysis classified Jinhae Bay into the southwestern, central, northern, and eastern regions. ODW occurred throughout the southwestern region in 1993 and 2002-2004, and the estimated $ODW_{vol.}$ was about $1.92km^3$. ODW did not occur in the eastern region because circulating seawater was exchanged in that part of Jinhae Bay. As ODW was generated every year in the southwestern region, this is the most polluted area in Jinhae Bay. The ODWR decreased in the northern region, showing that the water quality there has improved since a wastewater treatment plant began operating in 1994.
Keywords
Jinhae Bay; Oxygen-deficient water mass; ODW; Annual variation; Cluster analysis;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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