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논문 기본 정보

자료유형
학술저널
저자정보
백승희 (부산대학교) 이효정 (부산대학교) 김철희 (부산대학교)
저널정보
한국환경과학회 한국환경과학회지 한국환경과학회지 제32권 제5호
발행연도
2023.5
수록면
285 - 301 (17page)
DOI
10.5322/JESI.2023.32.5.285

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초록· 키워드

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This study analyzed characteristics of ozone (O₃) formation regimes in Busan over a period of recent five years (2015~2019) and compared the findings with those obtained in Seoul. We employed four observed variations: early morning commuting-hour (i.e., 06:00-09:00 LST) nitrogen dioxide (NO₂), peak-hour (i.e., 12:00-16:00 LST) O₃, 8-hour average O₃ (MDA8 O₃), and △O₃ (=O<SUB>3_max</SUB>- O<SUB>3_min</SUB>) in Busan and Seoul. In addition, the NO₂-O₃ relation was assessed to interpret which of NO<SUB>x</SUB>-limited or volatile organic compound (VOC)-limited was dominant. In Busan, the annual mean O₃ concentration was relatively higher than in Seoul, whereas there were fewer high-concentration days. The Pearson correlation coefficients (R) between Early morning-hour NO₂ and the Peak-hour O₃ was positive (but close to zero) in Busan and negative in Seoul. Likewise, the R between the Early morning-hour NO₂ and the △O₃ showed a relatively considerable positive correlation (R=+0.4~0.5) in Busan, while a weak positive correlation (R=+0.1~0.2) in Seoul. From this result, it can be inferred that the O₃ formation regime in Busan was intrepreted to be nearly neutral or relatively closer to the NO<SUB>x</SUB>-limited regime than Seoul, while Seoul to the VOC-limited regime. The study findings imply that O₃ control strategies should be applied differently in Busan and Seoul. The results here were inferred from surface NO₂ and O₃ observations, and the varification studies based on in-situ VOCs measurements would be needed.

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