Articles | Volume 20, issue 21
Atmos. Chem. Phys., 20, 12721–12740, 2020
https://doi.org/10.5194/acp-20-12721-2020
Atmos. Chem. Phys., 20, 12721–12740, 2020
https://doi.org/10.5194/acp-20-12721-2020

Research article 04 Nov 2020

Research article | 04 Nov 2020

Size-segregated particle number and mass concentrations from different emission sources in urban Beijing

Jing Cai et al.

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Latest update: 06 May 2021
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Short summary
By applying both OA PMF and size PMF at the same urban measurement site in Beijing, similar particle source types, including vehicular emissions, cooking emissions and secondary formation-related sources, were resolved by both frameworks and agreed well. It is also found that in the absence of new particle formation, vehicular and cooking emissions dominate the particle number concentration, while secondary particulate matter governed PM2.5 mass during spring and summer in Beijing.
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