Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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The Influence of Meteorological Factors on PM10 Concentration in Incheon

기상인자가 미세먼지 농도에 미치는 영향

  • Shin, Moon-Khee (Incheon Research Institute of Public Health and Environment) ;
  • Lee, Choong-Dae (Incheon Research Institute of Public Health and Environment) ;
  • Ha, Hyun-Sup (Incheon Research Institute of Public Health and Environment) ;
  • Choe, Choon-Suck (Incheon Research Institute of Public Health and Environment) ;
  • Kim, Yong-Hee (Incheon Research Institute of Public Health and Environment)
  • 신문기 (인천광역시보건환경연구원) ;
  • 이충대 (인천광역시보건환경연구원) ;
  • 하현섭 (인천광역시보건환경연구원) ;
  • 최춘석 (인천광역시보건환경연구원) ;
  • 김용희 (인천광역시보건환경연구원)
  • Published : 2007.06.30
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Abstract

In this study, we have analyzed $PM_{10}$ concentration measured at Incheon Regional Air Monitoring Network (10 stations) and meteorological data at Incheon Weather Station to investigate factors (i.e. wind direction, wind speed, relative humidity, major meteorological phenomenon, and sea-land breezes existence) influencing $PM_{10}$ concentration in Incheon during 2005. Statistical differences among meteorological factors were assessed by Kruskal-Wallis test or Mann-Whitney U test. The main conditions causing high $PM_{10}$ concentration are summarized below; 1. When westerly wind prevailed (however, $PM_{10}$ decreased when winds were blowing from the east or north). 2. When the winds were calm, owing to accumulation of nearby emissions under stagnant conditions, or when the wind speed is in excess of 6 m/s, which shows the effect of fugitive dust produced by wind erosion. 3. Under the condition of high relative humidity and poor diffusion based on meteorological phenomenon such as fog, mist, and haze. 4. When the Sea-Land breezes existed, which occurred 70 days in Incheon during 2005 and contributed significantly to high $PM_{10}$ concentration in the coastal urban area. In conclusion, we have found that the meteorological factors have influence on $PM_{10}$ concentration in Incheon.

Keywords

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