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KMID : 1024519950040020151
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Journal of the Environmental Sciences
1995 Volume.4 No. 2 p.151 ~ p.158
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A Study on the Dry Deposition Model of Air Pollutants Considering Canopy Effect
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Lee Hwa-Woon
Park Jong-Kil
Lee By-Yong
Jang Eun-Suk
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Abstract
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A numerical model has been developed to predict the deposition of air pollutants considering canopy effect. In this model, the deposition velocity is calculated using the deposition resistances(aerodynamic resistance, viscosity resistance, surface resistance). Using the results, a comparative study was made between the model calculation and observation results. The calculated daily variation of deposition resistances and in daytime most of the model cases are well agreed with observation results, and a slight difference was found in nighttime. From the results, it is suggested that the present model is capable of estimating the deposition velocity of air Pollutants considering characteristics of canopy layer.
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KEYWORD
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canopy effect, dry deposition
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