Seasonal trends in PM2.5 source contribu
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Mei Zheng; Lynn G. Salmon; James J. Schauer; Limin Zeng; C.S. Kiang; Yuanhang Zh
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Article
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2005
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Elsevier Science
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English
โ 262 KB
The 24-h PM2.5 samples (particles with an aerodynamic diameter of 2.5ฮผm or less) were taken at 6-day intervals at five urban and rural sites simultaneously in Beijing, China for 1 month in each quarter of calendar year 2000. Samples at each site were combined into a monthly composite for the organic