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KMID : 0382420030290040042
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Korean Journal of Environmental Health Society
2003 Volume.29 No. 4 p.42 ~ p.47
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Study on Characterization of Deposition Flux of Dustfall in Kunsan, Korea
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Kim Seong-Cheon
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Abstract
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The purpose of this experimental study is to investigate seasonal deposition flux variations of the total dustfall and various inorganic elements in it. Total of 84 dustfall samples were collected from September. 1997 thru August. 1998 at 7 different sites in Kunsan. Each sample was analyzed by an AAS to determine the levels of 5 inorganic elements: Zn, Cd, Cr, Fe and Ph. Deposition fluxes. soluble/total fractions for each element were extensively investigated. Estimated deposition fluxes of dustfall and elements in Kunsan were in the range of 37.5~45.1 ton/km²/yr for duslfall. 43.5~81.8 kg/km²/yr for Zn, 6.6~11.0kg/km²/yr for Cd, 44.8~110.0 kg/km²/yr for Cr, 223~323kg/km²/yr for Fe, 10.9~22.3kg/km²/yr for Pb. respectively. Thus. the estimated average total deposition fluxes of duslfall in Kunsan(376.35 km²) per day were 43.3 ton and 58.6 kg for Zn, 8.9kg for Cd, 80.6 kg for Cr, 293.8 kg for Fe and 14.1kg for Ph. respectively.
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