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자료유형
학술저널
저자정보
이호영 (울산과학기술원) 김남규 (울산과학기술원) 조민재 (울산과학기술원) 이상진 (울산과학기술원) 최진수 (국립환경과학원) 강경식 (국립환경과학원) 최성득 (울산과학기술원)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제38권 제4호
발행연도
2022.8
수록면
524 - 541 (18page)
DOI
10.5572/KOSAE.2022.38.4.524

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This study evaluated the characteristics of PM<SUB>2.5</SUB> pollution and long-range atmospheric transport (LRAT) at the Baengnyeong and Jeju Air Quality Research Centers in South Korea during 2018~2020. The mean concentration of PM<SUB>2.5</SUB> was constant in Baengnyeong but decreased in Jeju owing to COVID-19. The significant seasonal variations of OC, EC, and NO₃<SUP>-</SUP> in Baengnyeong and Jeju with the highest concentrations in winter may be due to the influence of high PM<SUB>2.5</SUB> episodes. Meanwhile, the concentrations of SO₄<SUP>2-</SUP> and NH₄<SUP>+</SUP> were constant throughout the year in Baengnyeong, resulting from regional inflow from surrounding areas. The influence of anthropogenic sources and secondary formation of PM<SUB>2.5</SUB> increased in summer and decreased in autumn at both sites, which was also observed at other background sites. The dominance of NO₃<SUP>-</SUP>, K<SUP>+</SUP>, and Cl<SUP>-</SUP> in Baengnyeong was due to the influence of combustion sources and LRAT. The source of SO₄<SUP>2-</SUP>, NH₄<SUP>+</SUP>, V, and Ni in Jeju was identified as industrial activities with the highest contribution in summer. The secondary formation of PM<SUB>2.5</SUB> with external inflow effects was dominant in Baengnyeong and Jeju. The main emission source area of PM<SUB>2.5</SUB> for both Baengnyeong and Jeju was East China (Hebei, Shandong, Jangsu, and Anhui), but the chemical composition and sources of PM<SUB>2.5</SUB> were different between Baengnyeong and Jeju. The result of this study can be a basis for future monitoring and modeling studies on the influence of LRAT in background areas.

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Abstract
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2. 재료 및 방법
3. 결과 및 고찰
4. 결론
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