금원산 아고산지역 강우의 화학적 특성
Chemical Characteristics of Rain Water Collected from Subalpine Region of Mt. Gumwon
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참고문헌
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초록
금원산 아고산지역과 도시공단지역에서 산림내로 유입되는 수간류, 수관통과우, 임외우를 포집하여강우의 화학적 특성을 분석하였다. 임외우의 경우 금원산 아고산지역에서 pH 값이 도시공단지역에 비하여 높게 나타났다. EC의 경우 가을철이 봄철보다 1.06∼1.1배 높았고, 도시지역이 금원산아고산지역보다 평균 1.8∼2.8배가 높았다. 금원산 아고산지역에서 임외우의 양이온은 Ca2+>Mg2+>K+>Na+의 순이었고, 도시지역은 Ca2+>Na+>Mg2+>K+의 순 이었다. 임외우의 경우 금원산 아고산지역의 양이온이 도시지역보다 1.8배 낮았고, 수간류는 5-5.7배, 수관통과우는 4.6∼4.7배가 낮았다. 임외우의 음이온은두 지역 모두 봄철과 가을철 모두 SO42->NO3->Cl- 의 순 으로 높았고, 이온농도는 도시지역보다 수간류가 4.9∼6.1배, 수간통과우는 7.1∼7.5배 높은 것으로 분석되었다. 이러한 결과들은 대기오염물질로부터 유발되는 산성비가 아고산 지역에 미치는 영향과 대책을 수립하는데 중요한 자료로 이용가능 할것이다.
Abstract
This study was carried out to analyze chemical characteristics with the water collected fromstem flow, throughfall, and rainfall in the subalpine region of Mt. Geumwon and urbanindustrial forest area located in Saha-Gu, Busan, Korea as a control. According to season andregion, the pH in the subalpine region of Mt. Geumwon was higher in the spring. Theelectrical conductivity (E. C.) in the subalpine region of Mt. Geumwon was 1.06∼1.1 timeshigher in the autumn than the control forest area. In the control forest area, the E.C. was 1.8∼2.8 times higher than in the subalpine region of Mt. Geumwon in the rainfall. Amongcations analyzed using the rainfall collected in the subalpine region of Mt. Geumwon, Ca2+was the highest and followed by Mg2+, K+, and Na+. In the control forest area, cations werehigher in the order Ca2+>Na+>Mg2+>K+. Compared to control forest area, the cations of therainfall and throughfall of the subalpine of Mt. Gumwon were 1.8 times and 4.6∼4.7 timeslower, respectively. In the both areas in the spring and autumn, anionic was higher in theorder SO42->NO3->Cl-. Compared to the concentration of the ions of control forest area, the anionic of the stemflow and throughfall in the subalpine region of Mt. Geumwon were 4.9∼6.1 times and 7.1∼7.5 times higher, respectively. These results will be available to theimportant basis to establish the effects and countermeasures of acid rain arising from airpollutants in the sub alpine region.
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