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자료유형
학술저널
저자정보
김진승 (제주대학교) 송상근 (제주대학교) 이성빈 (제주대학교) 조성빈 (제주대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제40권 제2호
발행연도
2024.4
수록면
209 - 224 (16page)
DOI
10.5572/KOSAE.2024.40.2.209

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In this study, the long-term variations of urban heat island (UHI) and air pollutants were analyzed using air temperature and air quality data observed in urban and suburban areas of Seoul over the past 20 years (2001~2020). In addition, we investigated the relationships between UHI intensities and air pollutant concentrations during the study period. The UHI intensities, which were estimated using the mean and maximum temperature, showed a weak increasing trend (+0.006 and +0.067°C yr<SUP>-1</SUP>, respectively) during the study period. In contrast, the UHI intensity estimated using the minimum temperature showed a decreasing trend (-0.124°C yr<SUP>-1</SUP>) because the increase in minimum temperature was larger in suburban areas than in urban areas. The UHI intensity showed a continuously decreasing pattern when wind speed increased from 0 m s<SUP>-1</SUP> to 4 m s<SUP>-1</SUP>, but little change was observed when wind speed exceeded 4 m s<SUP>-1</SUP>. Moreover, the long-term decreasing trend in primary air pollutants (e.g., CO, NO₂, SO₂, and PM<SUB>10</SUB>) was observed for 2001~2020, whereas the increasing trend in O₃ concentrations. In correlation analysis, we found that most air pollutants (except for O₃) showed positive correlations with UHI intensity during the study period (CO: +0.354, NO₂: +0.415, SO₂: +0.088, PM<SUB>10</SUB>: +0.118). At the same time, O₃ was negatively correlated with UHI intensity (r=-0.450). For most air pollutants (except for O₃), we also found stronger correlations at night than during the day. In addition, the concentrations of primary air pollutants tended to increase with increasing UHI intensities (i.e., increasing UHI levels), while O₃ concentrations tended to decrease with increasing UHI levels, suggesting a potential interaction between UHI and air pollution.

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Abstract
1. 서론
2. 재료 및 방법
3. 결과 및 토의
4. 요약 및 결론
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