한국환경과학회지 (Journal of Environmental Science International)

  • 제31권12호
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  • Pages.1069-1078
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  • 2022
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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부산지역 2021년 2월 1일~2일 연속적인 2개의 한랭전선 통과 시 기상요소와 미세먼지 농도의 특성

Meteorological Parameters and Fine Particle Concentration during Two Successive Cold Fronts in Busan on 1~2 February 2021

  • 전병일 (신라대학교 항공교통관리학과)
  • Byung-Il, Jeon (Department of Air Traffic & Operation Management, Silla University)
  • 투고 : 2022.10.31
  • 심사 : 2022.12.13
  • 발행 : 2022.12.31
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초록

This study investigated the weather conditions, fine particle concentration, and ion components in PM2.5 when two cold fronts passed through Busan in succession on February 1 and 2, 2021. A analysis of the surface weather chart, AWS, and backward trajectory revealed that the first cold front passed through the Busan at 0900 LST on February 1, 2021, with the second cold front arriving at 0100 LST on February 2, 2021. According to the PM10 concentration of the KMA, the timing of the cold front passage had a close relationship with the occurrence of the highest concentration of fine particles. The transport time of the cold front from Baengnyeongdo to Mt. Gudeok was approximately 11 hours . The PM10 and PM2.5 concentrations in Busan started to increase after the first cold front had passed, and the maximum concentration occurred two hours after the second cold front passed. The SO42-, NO3-, and NH4+ concentration in PM2.5 started to increase from 1100 to 1200 LST on February 1, after the first cold front passed, and peaked at 0100 LST to 0300 LST on February 2. However, the highest Ca2+ concentration was recorded 2-3 hours after the second cold front had passed.

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참고문헌

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