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KMID : 1024520030120101033
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Journal of the Environmental Sciences
2003 Volume.12 No. 10 p.1033 ~ p.1041
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Characteristics of Spacio-Temporal Variation for PM10 Concentration in Busan
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Jeon Byung-Il
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Abstract
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Hourly data of PM10 concentration collected from nine automatic air quality monitoring stations in Busan from 1999 to 2002 were analyzed to evaluate the spatio-temporal variation and meteorological characteristics of PM10 episodes in Busan metropolitan area. Mean concentrations ranged from 47/㎥ to 77/㎥. For most stations, mean seasonal hourly concentrations are lowest in summer and highest in spring. PM10 episode above daily mean standard(150/㎥) exhibited a maximum frequency at Gamjeondong and a minimum at Dongsamdong, and a maximum in March and a minimum in July and August. The diurnal variation of PM10 episode days is strongly influenced by traffic loads and meteorological conditions.
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KEYWORD
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PM10 concentration, Meteorological characteristics, PM10 episode days
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