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강원도 춘천과 영월에서 측정한 미세먼지 농도 특성 및 고농도 원인 분석

Characteristics of Fine Particles Measured in Two Different Functional Areas and Identification of Factors Enhancing Their Concentrations

  • 조성환 (강원대학교 자연과학대학 환경학과) ;
  • 김현웅 (강원대학교 자연과학대학 환경학과) ;
  • 한영지 (강원대학교 자연과학대학 환경학과) ;
  • 김우진 (강원대학교 병원 환경보건센터)
  • Cho, Sung-Hwan (Department of Environmental Science, College of Natural Science, Kangwon National University) ;
  • Kim, Hyun-Woong (Department of Environmental Science, College of Natural Science, Kangwon National University) ;
  • Han, Young-Ji (Department of Environmental Science, College of Natural Science, Kangwon National University) ;
  • Kim, Woo-Jin (Environmental Health Center, Kangwon National University Hospital, Kangwon National University School of Medicine)
  • 투고 : 2016.01.05
  • 심사 : 2016.01.26
  • 발행 : 2016.02.29

초록

In this study, the characteristics of $PM_{2.5}$ and $PM_{2.5-10}$ concentrations were identified in two different functional areas including Chuncheon and Youngwol, Korea. Even though the anthropogenic emission rates of $PM_{2.5}$ and $PM_{10}$ are approximately four times higher in Youngwol than in Chuncheon their atmospheric concentrations were statistically higher in Chuncheon. In Chuncheon, both $PM_{2.5}$ concentrations and the ratio of $PM_{2.5}/PM_{10}$ increased as relative humidity (RH) increased possibly because the inorganic and/or organic secondary aerosols were actively formed at high RH. This result was also supported by that $PM_{2.5}$ concentration was enhanced under the fog and mist conditions in Chuncheon. On the other hand, both $PM_{2.5}$ and $PM_{2.5-10}$ concentrations clearly increased with the southerly winds blown from the cement production facility in Youngwol. In addition, high $PM_{2.5-10}$ concentrations were observed with high wind speed, low relative humidity, and high $NO_2$ concentrations in Youngwol, suggesting that $PM_{2.5-10}$ was generated through the physical process including crushing and packing procedures followed by resuspension from cement and lime factory.

키워드

참고문헌

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피인용 문헌

  1. and Meteorological Data in Pohang, a Steel-Industrial City vol.32, pp.3, 2016, https://doi.org/10.5572/KOSAE.2016.32.3.329
  2. and High Concentration Events in Chuncheon, Korea vol.32, pp.4, 2016, https://doi.org/10.5572/KOSAE.2016.32.4.435
  3. Levels of the concentration of PM10 and PM2.5 in elementary school classroom at Yeongwol county vol.17, pp.1, 2018, https://doi.org/10.15250/joie.2018.17.1.11