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Long-term Trend of Atmospheric Concentrations of Fine Particles in Chuncheon, Korea

춘천시 미세먼지 농도의 장기변동 추세

  • Received : 2010.12.27
  • Accepted : 2011.05.30
  • Published : 2011.10.31

Abstract

Fine particles ($PM_{2.5}$) were collected and analyzed from December 2005 through December 2009 in Chuncheon, Korea to investigate the long-term trend of $PM_{2.5}$ concentrations. Also $PM_{10}$ concentrations were collected from Environmental Monitoring System operated by Ministry of Environment. Average concentrations of $PM_{2.5}$ and $PM_{10}$ were 30.5 and 58.2 ${\mu}g/m^3$, respectively. Both $PM_{2.5}$ and $PM_{10}$ were significantly affected by meteorological factors including wind speed, wind direction and precipitation. They generally decreased as wind speed increased (p=0.000), and increased when there was a prevailing westerly wind. Low concentrations of $PM_{2.5}$ were observed during rainy days while high concentrations were shown when fog, mist and/or haze occurred.

Keywords

$PM_{2.5}$;$PM_{10}$;Wind speed;Wind direction;Precipitation;Fog

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Cited by

  1. The Water Soluble Ionic Composition of PM2.5 at 1,100 m-Highland of Mt. Hallasan on Jeju Island, Korea vol.25, pp.5, 2016, https://doi.org/10.5322/JESI.2016.25.5.727

Acknowledgement

Supported by : 한국학술진흥재단