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http://dx.doi.org/10.5657/kfas.2002.35.6.568

Numerical Model for Spreading of Cochlodinium Bloom in the Southern Coastal Waters in Korea  

Kwon Chul Hui (Research Center for Ocean Industrial Development Pukyong National University)
Cho Ku Dae (Dept of Oceanography, Pukyong National University)
Publication Information
Korean Journal of Fisheries and Aquatic Sciences / v.35, no.6, 2002 , pp. 568-577 More about this Journal
Abstract
The spreading Cocuoainim polykikoides bloom in the southern coastal waters of Korea was simulated using numerical model including the physical processes of water flow and the chemical processes of increasing cell of C. polykikoides by uptake of dissolved nutrients. The circulation of sea water was simulated by two dimensional tide model reflecting the main four tidal components of $M_2,\;S_2,\;K_1,\;O_1$, and permanent current was driven by inflow/outflow across open boundaries. According to the result of model which tidal and permanent current were reflected simultaneously, eastward flows entering the southern waters from the western waters of Korea are dominant but westward flows are weak relatively. These result suggest that it is difficult for initial C. polykikoides bloom generated in the coastal waters of Goheung to move to the western coast of Korea through Jeju Strait. For spreading model of C. poiyhikoides, the range of generating distribution and the generating time of C. polykikoides bloom in coastal area are similar to those of observation data in the field. Wind is the most important factor in moving and distribution of red tide. Permanent current flowing eastward is also considered to be important factor and tidal current was a little influenced.
Keywords
Red-tide; Cochlodinium; Numerical model; Tidal current; Permanent current;
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