Articles | Volume 14, issue 22
Atmos. Chem. Phys., 14, 12237–12249, 2014
https://doi.org/10.5194/acp-14-12237-2014
Atmos. Chem. Phys., 14, 12237–12249, 2014
https://doi.org/10.5194/acp-14-12237-2014
Research article
20 Nov 2014
Research article | 20 Nov 2014

Chemical composition and mass size distribution of PM1 at an elevated site in central east China

Y. M. Zhang et al.

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Short summary
An AMS was employed to measure the mass and size distributions of PM1 at an elevated site. Features of PM1 at four seasons, during different kinds of episodes including NPF, polluted, PBL, LFT and in-cloud, were discussed. The characterizations of PM1 at seven clusters of air masses were also analyzed. BBOA, CCOA and oxidized organic aerosols were resolved by AMS-PMF (positive matrix function). Almost half of OA were oxidized, and BBOA is 34% of OA in summer; CCOA is 22% of OA in winter as well.
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