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KMID : 1024520040130121079
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Journal of the Environmental Sciences
2004 Volume.13 No. 12 p.1079 ~ p.1088
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Formation and Chemical Characteristics of Dewfall in Western Busan Area
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Jeon Byung-Il
Hwang Yong-Sik
Park Moon-Po
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Abstract
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In order to understand chemical characteristics and dewfall formation in western Busan area, we analysed monthly distribution of dewfall, and investigated the correlation between dewfall formation amount and meteorological factors. This study used the modified teflon plate at Silla university in Busan from August 2002 to April 2003. In order to estimate qualitatively water soluble components, IC, ICP and UV methods for water soluble ions are also used respectively. Dewfall amount of sampling periods (47 day) collected 3.8 mm. Meteorological conditions for the formation of dewfall above showed that temperature diurnal above, cloud amounts (1/10) at dawn of the sampling day was 7/10 below, mean wind speed at dawn (0~6hr) of the sampling day was 4.4 m/sec below, and mixing ratio at 6hr of the sampling day was 3.2 g/kg above. Distribution of water soluble ions in dewfall founded the highest concentration during the March, the lowest concentration during the August. Monthly equivalent ratio of showed the highest value (4.99) during the October, the lowest value (1.84) during the August, and the mean value was 3.45.
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KEYWORD
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Dewfall, Meteorological condition, Water soluble ion, Equivalent ratio
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