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자료유형
학술저널
저자정보
서지원 (아주대학교) 강윤희 (아주대학교) 김은혜 (아주대학교) 정성은 (아주대학교) 김지훈 (아주대학교) 김순태 (아주대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제40권 제2호
발행연도
2024.4
수록면
242 - 262 (21page)
DOI
10.5572/KOSAE.2024.40.2.242

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이 논문의 연구 히스토리 (2)

초록· 키워드

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In this study, we quantified changes in domestic emissions impact on PM<SUB>2.5</SUB> and NO₂ concentrations in South Korea during the 1st to 4th Seasonal Particulate Matter Management (SPM) periods using observations and air quality simulations. During the entire SPM periods, reductions in domestic emissions impact, the combined effect of changes in emissions and meteorological conditions, contributed an average nationwide decrease of 1.5 μg/m³/year for PM<SUB>2.5</SUB> and 0.9 ppb/year for NO₂. The implementation of SPM, coupled with changes in meteorology and unexpected societal issues such as the COVID-19 pandemic, resulted in a decrease of domestic PM<SUB>2.5</SUB> emissions impact by 61.2% throughout the SPM periods. On a provincial level, the decreases in PM<SUB>2.5</SUB> and NO₂ concentrations due to the reduction in domestic emissions ranged from 0.1 to 2.6 μg/m³ and 0.3 to 1.9 ppb, respectively, showing a correlation coefficient of 0.60 between them. When a nitrogen oxidation ratio of 0.2 from previous studies was applied, the decrease in domestic NOx emissions impact during the periods accounted for approximately 40% of the nationwide reduction in PM<SUB>2.5</SUB> domestic emissions impact. These findings suggest a high possibility that the decrease in PM<SUB>2.5</SUB> concentrations in South Korea was affected by various precursor emission changes and interprovincial emissions impacts. Therefore, considering the complicated nature inherent in secondary air pollutants such as PM<SUB>2.5</SUB>, it becomes increasingly essential to establish a comprehensive analysis platform to integrate various information such as emissions, observations, and air quality simulations. This integration is crucial for more adequately developing control strategies for air pollution problems that we are facing. Additionally, from a health perspective, the magnitude of reduced PM<SUB>2.5</SUB> and NO₂ emissions impacts varied among provinces. Therefore, developing strategies tailored to regional conditions, considering both achieving national ambient air quality standards and promoting public health, appears crucial.

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Abstract
1. 서론
2. 연구 방법
3. 연구 결과
4. 결론
References

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