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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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The source, formation, transformation mechanisms and mixing state of particulate matter (PM) in high episodic events under different meteorological conditions in Hong Kong remain unclear. With high-resolution time-of-flight aerosol mass spectrometric measurement, we successfully demonstrated the dynamic and complex nature of PM transformation during high-PM episodes. This study revealed that not only regional transport but also local secondary formation is the culprit for high PM levels.
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Articles | Volume 16, issue 22
Atmos. Chem. Phys., 16, 14131–14145, 2016
https://doi.org/10.5194/acp-16-14131-2016
Atmos. Chem. Phys., 16, 14131–14145, 2016
https://doi.org/10.5194/acp-16-14131-2016

Research article 15 Nov 2016

Research article | 15 Nov 2016

Particulate matter (PM) episodes at a suburban site in Hong Kong: evolution of PM characteristics and role of photochemistry in secondary aerosol formation

Yi Ming Qin et al.

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Latest update: 28 Jan 2021
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Short summary
The source, formation, transformation mechanisms and mixing state of particulate matter (PM) in high episodic events under different meteorological conditions in Hong Kong remain unclear. With high-resolution time-of-flight aerosol mass spectrometric measurement, we successfully demonstrated the dynamic and complex nature of PM transformation during high-PM episodes. This study revealed that not only regional transport but also local secondary formation is the culprit for high PM levels.
Citation
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Final-revised paper
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