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논문 기본 정보

자료유형
학술저널
저자정보
지한준 (부산대학교) 이효정 (부산대학교) 조현영 (부산대학교) 김종민 (부산대학교) 김철희 (부산대학교)
저널정보
한국환경과학회 한국환경과학회지 한국환경과학회지 제33권 제11호
발행연도
2024.11
수록면
789 - 803 (15page)
DOI
10.5322/JESI.2024.33.11.789

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초록· 키워드

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To investigate the relationship between climate change and ozone (O₃) concentrations in Seoul and Busan, we analyzed high O₃ episodes during an exceptional heatwave in the summer of 2018, which lasted over 17 days in South Korea. The observed O₃ concentrations during the heatwave period were compared to those from non-heatwave periods. We utilized the online WRF-Chem model to simulate concentrations of ozone, nitrogen dioxide (NO₂), and volatile organic compounds (VOCs) for the study period, examining differences in their correlations with temperature between heatwave and non-heatwave periods. Additionally, we used OMI data from NASA's Aura satellite to derive formaldehyde (HCHO) column densities over Seoul and Busan and analyze the temperature-HCHO relationships. Our findings reveal that during the 2018 heatwave, WRF-Chem modeling demonstrated a notable correlation between HCHO concentrations and temperature (R = 0.66–0.68), with more pronounced diurnal variations and higher peak concentrations during the heatwave period. This is attributed to temperature-sensitive biogenic VOCs, which significantly influence HCHO production through chemical reactions. Furthermore, the increase in HCHO concentrations in both Seoul and Busan was found to be exponential rather than linear with rising temperatures. The OMI satellite measurements also confirmed a strong temperature-HCHO dependency over both regions. The high correlation between HCHO and temperature, which can also be monitored through satellite observations, suggests that HCHO could serve as a major factor for evaluations of climate penalty in the quantifying emissions linked to anthropogenic and biological activities under changing climate conditions, even in the absence of ground measurements of various VOC components over the two areas.

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Abstract
1. 서론
2. 연구방법 및 자료
3. 결과 및 분석
4. 결론
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