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.
The source, formation, transformation mechanisms and mixing state of particulate matter (PM) in...
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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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.
The source, formation, transformation mechanisms and mixing state of particulate matter (PM) in...