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Atmospheric Chemistry and Physics An interactive open-access journal of the European Geosciences Union
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ACP | Articles | Volume 20, issue 2
Atmos. Chem. Phys., 20, 1201–1216, 2020
https://doi.org/10.5194/acp-20-1201-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Atmos. Chem. Phys., 20, 1201–1216, 2020
https://doi.org/10.5194/acp-20-1201-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 31 Jan 2020

Research article | 31 Jan 2020

Variation of size-segregated particle number concentrations in wintertime Beijing

Ying Zhou et al.

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Short summary
In this study, we focus on explaining the concentration variations in the observed particle modes, by relating them to the potential aerosol sources and sinks, and on understanding the connections between these modes. Interestingly, even in the atmospheric cocktail in urban Beijing, secondary new particle formation (NPF) drives the particle number concentration, especially in the sub-3 nm range. We found that the total number concentration is ~ 4 times higher on NPF days than on haze days.
In this study, we focus on explaining the concentration variations in the observed particle...
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