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KMID : 1024519980070040511
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Journal of the Environmental Sciences
1998 Volume.7 No. 4 p.511 ~ p.522
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Numerical Simulation of Dispersion of a Vast Point Source in Coastal Area using the Local Wind Model
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Jeon Byung-Il
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Abstract
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The two-stage numerical model was used to study the relation between three-dimensional local wind seal area for Korean peninsula. The first stave is three dimensional time-dependent local wind model which elves the wind field and vertical diffusion coefncient. The second stage is advection/duusion model which uses the results of the first stage as input data. First, wand fields on Korean peninsula for none synoptic scale wand showed typical land and sea breeze circulation, and the emitted particles were transported by sea breeze for daytime, emissions return to sea by land breeze for nighttime.
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KEYWORD
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three-dimensional local wind model, advection and diffusion model, random walk method, sceond moment method
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