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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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This research investigated the characteristics of fine particles during cold front passage in Busan, on March 19, 2020. The cold front speed was 17.4 m/s (about 63k km/hr), moving from the northwest to the southeast, and with a width of about 64 km. The backward trajectory analysis showed that a southern sea air parcel flowed into Busan before the cold front passage, carrying continental materials from China transported into Busan after cold front passage. The PM<SUB>10</SUB> concentration in Busan showed a rapid increase after passing through the cold front, with PM<SUB>2.5</SUB> showing a high concentration during cold front passage. The PM2.5/PM10 ratio was 0.10 - 0.30. When the cold front passed, SO₄<SUP>2-</SUP><SUP></SUP>, NO₃<SUP>-</SUP>, Ca<SUP>2+</SUP>, NH₄<SUP>+</SUP>, Na<SUP>+</SUP>, and K<SUP>+</SUP> in PM<SUB>2.5</SUB> showed a rapid increase, with SO₄<SUP>2-</SUP> showing the most significant increase. These results indicated that understanding the characteristics of fine particles during cold front passage in Busan could provide insight into establishing a strategy to control urban air quality.
목차
Abstract
1. 서론
2. 자료 및 방법
3. 결과 및 고찰
4. 결론
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