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논문 기본 정보

자료유형
학술저널
저자정보
김민성 (부산대학교) 오상석 (부산대학교) 박문수 (세종대학교) 강민수 (세종대학교) 엄준식 (부산대학교) 조현영 (부산대학교) 김철희 (부산대학교)
저널정보
한국환경과학회 한국환경과학회지 한국환경과학회지 제33권 제12호
발행연도
2024.12
수록면
883 - 899 (17page)
DOI
10.5322/JESI.2024.33.12.883

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초록· 키워드

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This study explores the planetary boundary layer height (PBLH) in Busan during 2020 and compares it with that of Seoul, with a focus on how regional characteristics influence PBLH. Monthly and daily PBLH variations were analyzed using both ECMWF Reanalysis 5<sup>th </sup>generation (ERA5) data and ceilometer measurements. The Weather Research Forecast (WRF) model was also utilized to simulate PBLH for season-representative cases across the year. The results indicate that the PBLH in Seoul tends to be higher than that in Busan likely due to Seoul’s inland location, while Busan, being a coastal city heavily influenced by the ocean, exhibits lower PBLH, particularly in summer. WRF model simulations revealed that the high humidity advected from the ocean contributes to a more stable atmosphere in Busan, suppressing local PBLH growth. Notably, during summer, the PBLH in Busan was more than twice as low as that in Seoul, despite there being no significant differences in key micrometeorological factors such as friction velocity and sensible heat flux between the two cities. This suggests that the PBLH in Busan is affected primarily by high humidity and marine boundary layer advection, especially during onshore wind flows during the summertime. This study provides valuable insights into how regional characteristics impact PBLH in both inland and coastal cities, offering a foundation for improving regional air pollution forecasting in coastal areas such as Busan.

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Abstract
1. 서론
2. 연구방법
3. 연구 결과
4. 결론
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