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논문 기본 정보

자료유형
학술저널
저자정보
김기주 (제주대학교) 부준오 (제주대학교) 김원형 (제주대학교) 이윤상 (제주대학교) 현동림 (제주대학교) 강창희 (제주대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제29권 제6호
발행연도
2013.12
수록면
818 - 829 (12page)

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초록· 키워드

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The collection of rainwater samples was made at Jeju area during 2009~2010, and the major ionic species were analyzed. In the comparison of ion balance, conductivity, and acid fraction for the validation of analytical data, the correlation coefficients showed a good linear relationship within the range of 0.966~0.990. The volume-weighted mean pH and electric conductivity were 4.9 and 17.8 μS/cm, respectively, at the Jeju area. The volume-weighted mean concentrations of ionic species in rainwater were in the order of Cl-〉Na+〉nss-SO₄²-〉NH₄+〉NO₃-〉Mg<SUP>2+</SUP>〉H+〉nss-Ca<SUP>2+</SUP>〉HCOO-〉K+〉PO₄³-〉CH3COO-〉NO₂-〉F-〉HCO₃-〉CH₃SO₃-. The ionic strength of rainwater was 0.26±0.21 mM during the study period. The composition ratios of ionic species were such as 50.1% for the marine sources (Na+, Mg<SUP>2+</SUP>, Cl-), 30.9% for the anthropogenic sources (NH₄+, nss-SO₄<SUP>2-</SUP>, NO₃-), and 4.7% for the soil source (nss-Ca<SUP>2+</SUP>), and 3.1% for organic acids (HCOO-, CH₃COO-). From the seasonal comparison, the concentrations of NO₃-, nss-Ca<SUP>2+</SUP>, and nss-SO₄<SUP>2-</SUP> increased in winter and spring seasons, indicating a reasonable possibility of long range transport from Asia continent. Especially, the acidifying contributions by major inorganic acids (nss-SO₄<SUP>2-</SUP> and NO₃-) and organic acids (HCOO- and CH₃COO-) were 87.6% and 12.4%, respectively. In comparison by sectional inflow pathway of air mass during the rainy sampling days, the concentrations of nss-SO₄<SUP>2-</SUP>and NO₃- were relatively high when the air mass was moved from the China continent into Jeju area.

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Abstract
1. 서론
2. 연구방법
3. 결과 및 고찰
4. 결론
References

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