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http://dx.doi.org/10.5572/KOSAE.2016.32.3.329

Statistical Analysis of PM10 and Meteorological Data in Pohang, a Steel-Industrial City  

Choi, Min-Suk (Air Quality Lab., Department of Environmental Engineering, Yeungnam University)
Baek, Sung-Ok (Air Quality Lab., Department of Environmental Engineering, Yeungnam University)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.32, no.3, 2016 , pp. 329-341 More about this Journal
Abstract
Pohang is a well-known industrial city in Korea with a large steel-industrial complexes. The biggest environmental issue in the city is associated with fine particulate matter (hereinafter, $PM_{10}$). The concentration of $PM_{10}$ is generally dependent on the local emission sources and meteorological conditions. Iron and steel industrial complexes are likely serious pollution sources of $PM_{10}$ in Pohang. In this study, daily $PM_{10}$ data from a large database from the year of 2000 to 2012 were statistically analyzed, together with meteorological data. The average concentrations of $PM_{10}$ were evaluated according to the frequency of Asian dust, haze, mist, and fog. The number of days exceeding short-term standard for $PM_{10}$ were also examined, taking into consideration of weather conditions. It was found that the concentration of $PM_{10}$ was reduced about 18% to 26% because of precipitation. In addition, the effects of wind direction and wind speed on the $PM_{10}$ concentrations were investigated.
Keywords
$PM_{10}$; Steel industry; Asian dust; Haze; Wet scavenging; Wind speed;
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Times Cited By KSCI : 9  (Citation Analysis)
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