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Composition and pollution characteristics of PM₁₀ and PM2.5 particles at Gosan site of Jeju Island in 2008
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PM₁₀, PM2.5 미세먼지의 조성 및 오염 특성 : 2008년 제주도 고산지역 측정 결과

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Type
Academic journal
Author
Soon-Bong Lee (제주대학교) Duk-Sang Jung (제주대학교) Eun-Kyung Cho (제주대학교) Hyeon-A Kim (제주대학교) Eun-Yeong Hwang (제주대학교) Chang-Hee Kang (제주대학교)
Journal
The Korean Society of Analytical Sciences Analytical Science & Technology Vol.24 No.4 KCI Accredited Journals SCOPUS
Published
2011.8
Pages
310 - 318 (9page)

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Composition and pollution characteristics of PM₁₀ and PM2.5 particles at Gosan site of Jeju Island in 2008
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Abstract· Keywords

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The collection of atmospheric PM<SUB>10</SUB> and PM<SUB>2.5</SUB> particle samples was made at Gosan site of Jeju Island, which is one of the most representative background sites in Korea. Their chemical compositions have been analyzed to explore the pollution characteristics and emission sources. The mass concentrations of PM<SUB>10</SUB> and PM<SUB>2.5</SUB> particles were 37.6±20.1 and 22.9±14.3 ㎍/㎥, respectively, with the content of PM<SUB>2.5</SUB> to PM<SUB>10</SUB> as 61%. The PM<SUB>2.5</SUB>/PM<SUB>10</SUB> ratios of nss-SO₄<SUP>2?</SUP>, NO₃?, and NH₄? were 0.94, 0.56, 1.02, respectively, indicating that these components were distributed mostly in the fine fractions. Based on the factor analysis, it was found that the compositions of fine particles were mainly influenced by anthropogenic sources, followed by soil or marine sources. The results of the backward trajectory analysis indicate that the concentrations of nss-SO₄<SUP>2?</SUP>, NO₃?, NH₄?, nss-Ca<SUP>2+</SUP>, and Pb were high when the air parcels moved from the China continent, while relatively low with the air parcels coming from North Pacific Ocean and/or East Sea.

Contents

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1. 서론
2. 연구방법
3. 결과 및 고찰
4. 결론
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