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http://dx.doi.org/10.5572/KOSAE.2011.27.5.494

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

Yang, Ji-Hae (Department of Environmental Science, College of Natural Science, Kangwon National University)
Kim, Sung-Rak (Department of Environmental Science, College of Natural Science, Kangwon National University)
Jung, Jin-Hee (Intergrated Environmental Research Group Division of Environmental Management, Korea Environment Institute)
Han, Young-Ji (Department of Environmental Science, College of Natural Science, Kangwon National University)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.27, no.5, 2011 , pp. 494-503 More about this Journal
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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Times Cited By KSCI : 11  (Citation Analysis)
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