Effects of Acid Deposition on Cation Contents of Pinus densiflora needles in Namsan
2005
Lee, S.D. (National Institute of Environmental Research, Incheon, Republic of Korea), E-mail: [email protected] | Joo, Y.T. (Kangwon National University, Chuncheon, Republic of Korea) | Han, J.S. (National Institute of Environmental Research, Incheon, Republic of Korea) | Oh, H.K. (National Institute of Environmental Research, Incheon, Republic of Korea) | Kong, H.Y. (National Institute of Environmental Research, Incheon, Republic of Korea)
This study investigated effects of acid deposition on cation contents of rinus densiflora needles. The results of the investigation were as follows: By regression the ion balance was shown to be 1.01 of slope and 0.973 of R². The volume weighted average pH measurements of wet deposition in Seoul from January to December, 2001, 2002 and 2003 were: pH 5.1, pH 5.0 and pH 4.8, respectively. The annual wet deposition ion amount was shown to gradually increase during this study period. Cation content of needles in the fall season was higher than during other seasons, but Al³+ ion contents showed nodifferences among seasons.
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