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Chemical Compositions of the Highway Side Fogwater in Shingal, Kyunggi-Province  

김홍률 (경희대학교 생명과학대학/생명자원과학연구원)
주영특 (강원대학교 산림과학대학)
정동준 (경희대학교 생명과학대학/생명자원과학연구원)
Publication Information
Korean Journal of Agricultural and Forest Meteorology / v.5, no.1, 2003 , pp. 11-17 More about this Journal
Abstract
pH value of sampled fogwater at source regions (above highway and road) in Yongin sites showed the lowest value and was increased after passing the forest stands. Changes of ion concentrations through the forest stands showed a lowering tendency at sampling sites. The fogwater passing the forest stands (Quercus mangolica and Pinus rigida) surrendered acid pollutants to crown and stem from the atmosphere. It was concluded that environmental moisture in the atmosphere is acidified in fogwater. The influence was extended to the pure zone, and the frequency of acid rain has increased. The forests are assumed to remove air pollutants because ion concentrations in fogwater decreased after passing the forests. The fogwater which functions as a local sink for pollutants (H$_2$SO$_4$, HNO$_3$, etc.) falling on plant surfaces is considered to effectively remove acid pollutants. But if the deposition of pollutants exceeds the capacity of purification, it would damage the forest ecosystem. Further investigation is necessary to identify tree species tolerant to acid pollutants.
Keywords
chemical composition; fogwater; highway;
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연도 인용수 순위
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