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논문 기본 정보

자료유형
학술저널
저자정보
백승희 (부산대학교) 박민준 (부산대학교) 이효정 (부산대학교) 박주선 (부산대학교) 조유진 (부산대학교) 김종민 (부산대학교) 조현영 (창원시정연구원) 박상서 (울산과학기술원) 김주완 (공주대학교) 김철희 (부산대학교)
저널정보
한국환경과학회 한국환경과학회지 한국환경과학회지 제34권 제2호
발행연도
2025.2
수록면
87 - 100 (14page)
DOI
10.5322/JESI.2025.34.2.87

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초록· 키워드

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To analyze the altitude-dependent diurnal and nocturnal variations of ozone, four ozonesonde soundings were conducted in Ulsan on January 29-30, 2024. Ozonesonde measurements reveal a distinct diurnal variation in ozone within the planetary boundary layer (below 1 km) with daytime ozone concentrations around 0.06 ppm, dropping to around 0.03 ppm in early evening. In the free troposphere, ozone exhibited weak diurnal variations, except for a notable nighttime enhancement of 0.01 ppm or more above 1 km on January 30. Meterological factors were found to be less relevant in affecting the observed ozone enhancement. Meterological conditions, such as temperature, precipitation, and wind fields, were similar during the ozonesonde launches. Surface wind speeds were very low, suggesting minimal horizontal transport of ozone and its precursors from upwind regions. In this study, global (WACCM) and regional-scale (WRF-Chem) atmospheric chemical transport models were employed to link the observed ozone variations with the underlying dynamical and chemical factors as well as evaluate the consistency between simulation and observation. The global scale WACCM simulations indicate a higher contribution of stratospheric ozone intrusion to lower tropospheric ozone on January 30 than on January 29. The regional-scale WRF simulations well represent the vertical distribution of ozone on January 29, but exhibited a higher degree of uncertainty on January 30, highlighting the impact of stratospheric ozone on lower tropospheric air quality predictions. Continuous and more precise observations of the vertical distribution of ozone are expected to contribute significantly to air quality forecasting and studies utilizing ozone profile data.

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Abstract
1. 서론
2. 자료 및 방법
3. 결과
4. 결론
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