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http://dx.doi.org/10.5322/JES.2006.15.9.847

Formation and Chemical Characteristics of Dewfall in 2005 at Busan  

Jeon, Byung-Il (Department of Environmental Engineering, Silla University)
Hwang, Yong-Sik (Institute of Industrial Medicine, Inje University)
Park, Gwang-Soon (Jangyongsil Science High School)
Publication Information
Journal of Environmental Science International / v.15, no.9, 2006 , pp. 847-853 More about this Journal
Abstract
In order to understand chemical characteristics and formation of dewfall in Busan, we analysed monthly distribution of dewfall, and investigated its chemical composition of dewfall. This study used the modified teflon plate $(1m{\times}1m)$ at Jangyongsil science high school from June 2005 to October 2005. 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 (26 day) collected 1.29 mm. Distribution of water soluble ions in dewfall founded the highest concentration $(81.3{\mu}eq/{\ell}\;for\;NO_3^-,\;146.6{\mu}eq/{\ell}\;for\;SO_4^{2-},\;and\;114.3{\mu}eq/{\ell}\;for\;nss-SO_4^{2-})$ during the June. pH was the lowest by 5.12 June, and October (pH 6.68) by most high and average pH was 5.46. Monthly equivalent ratio of $[SO_4^{2-}]/[NO_3^-]$ showed the highest value (2.94) during the September, the lowest value (1.77) during the July, and the mean value was 3.45.
Keywords
Dewfall; Chemical composition; Water soluble ions; Equivalent ratio;
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