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논문 기본 정보

자료유형
학술저널
저자정보
박상훈 (국립군산대학교) 김성천 (국립군산대학교) 김득수 (국립군산대학교)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제38권 제3호
발행연도
2022.6
수록면
421 - 436 (16page)
DOI
10.5572/KOSAE.2022.38.3.421

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The regional concentration characteristics of major air pollutants in Gunsan City were compared with those in Iksan City and the relationship between airflow patterns and pollution sources in Gunsan City and Iksan City were studied using the HYSPLIT-4. In Gunsan City from 2017 to 2019, the concentration of air pollutants NO₂ (14.6 to 11.7 ppb), and SO₂ (4.5 to 4.4 ppb) and PM<SUB>10</SUB> (45.3 to 44.6 μg/m³) decreased, while other pollutant concentrations tended to increase to CO (470.9 to 477.8 ppb), O₃ (32.8 to 33.1 ppb), PM<SUB>2.5</SUB>(25.7 to 26.0 μg/m³). The monthly changes in air pollutant concentrations from 2017 to 2019 are shown below: 1) from January to February, the concentrations of SO₂(5.1 to 5.7 ppb) increased but those of CO (602.8 to 593.9 ppb), NO₂ (16.0 to 14.1 ppb) decreased, respectively; 2) from May to June, the concentration of O₃ decreased from 39.9 to 38.8 ppb; from March to May, the concentration of PM<SUB>10</SUB> decreased from 53.4 to 49.7 μg/m³; but from January to March, PM<SUB>2.5</SUB> increased from 29.9 to 36.9 μg/m³; PM<SUB>10</SUB> and PM<SUB>2.5</SUB> concentrations were highest from March to May due to the yellow sand. The average values of all air pollutants from July to August were lower than in different months because of wash out and rain out. Analysis of seasonal changes in air pollutant concentrations showed that SO₂ and NO₂ were fall>winter> spring>summer, CO was winter>fall>spring>summer, O₃ was spring>summer>winter>fall, and PM<SUB>10</SUB> and PM<SUB>2.5</SUB> were spring>winter>fall>summer. Concentrations of SO₂ (5.5 ppb) and PM<SUB>10</SUB> (46.7 μg/m³) were in the industrial area of Gunsan city and in the commercial area of Iksan SO₂(4.4 ppb), PM<SUB>10</SUB> (52.0 μg/m³) were high. In the residential area of Gunsan city, CO(461.7 ppb) and PM<SUB>2.5</SUB> (43.9 μg/m³) concentrations were high, and in the industrial of Iksan city, CO (544.3 ppb) and in the commercial area of Iksan city, PM<SUB>2.5</SUB>(34.0 μg/m³) concentrations were high respectively. The concentration of O₃ was high in industrial areas (Gunsan 34.5, Iksan 31.3 ppb) and the concentration of NO₂ was high in commercial areas (Gunsan 14.0, Iksan 17.1 ppb). Cluster analysis using the HYSPLIT-4 classified Gunsan City into 4 clusters in 2017, 6 clusters in 2018, and 5 clusters in 2019, and Iksan City into 5 clusters in 2017, 6 clusters in 2018, and 4 clusters in 2019. Gunsan City and Iksan City seemed to be most influenced by southern Russia, Chinese Manchuria, eastern China, and the Mongolian region, with no clear differences between the regions.

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

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