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Çѱ¹»ýÅÂÇÐȸ / v.21, no.3, 1998³â, pp.195-201
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( characteristic of Ions in Rainwater at Air Polluted and Non-POLLUTED aREA ) |
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| This study was carried out to investigate characteristic of ions in rainwater by throughfall, stemflow and rainfall at air polluted area(Kure city industrial city) and non-air polluted area (Higashihiroshima city non industrial city). pH of rainwater in air polluted area were all low as compared with those in non-air polluted area. EC of rainwater in ir polluted area were high in throughfall and stemflow, but there was no difference between both areas in rainfall. The concentration of major ions in rainwater were generally high at air polluted area, especially of $Mg^{2+}$, $Ca^{2+}$, $Cl^{-}$ and $SO_4^{2-}$ in stemflow. But there was little difference in $NH_4^{+}$, and there was also cases had a high concentration in non-air polluted area. By comparison with forest type, in stemflow concentration of ions in coniferous forest were higher than those in broad-leaved, but in throughfall they were higher in mixed forest rather than coniferous forest. There was no correlation between the amount of rainwater and pH, and also EC. $NO_4^{-}$ and $SO_{4}^{2-}$ had high correlations between major ions besides $Na^{+}$ and $NH_{4}^{+}$ in air poluted area. |
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| Air polluted area;Non-polluted area;Rainwater; |
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The Korean Journal of Ecology / v.21, no.3, 1998³â, pp.195-201
Çѱ¹»ýÅÂÇÐȸ
ISSN : 1225-0317
UCI : G100:I100-KOI(KISTI1.1003/JNL.JAKO199811919963114)
¾ð¾î : Çѱ¹¾î |
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| ³í¹® Á¦°ø : KISTI Çѱ¹°úÇбâ¼úÁ¤º¸¿¬±¸¿ø |
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