Articles | Volume 20, issue 19
Atmos. Chem. Phys., 20, 11329–11348, 2020
https://doi.org/10.5194/acp-20-11329-2020
Atmos. Chem. Phys., 20, 11329–11348, 2020
https://doi.org/10.5194/acp-20-11329-2020

Research article 05 Oct 2020

Research article | 05 Oct 2020

Size-resolved particle number emissions in Beijing determined from measured particle size distributions

Jenni Kontkanen et al.

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Size-resolved particle number emissions in Beijing determined from measured particle size distributions Jenni Kontkanen, Chenjuan Deng, Yueyun Fu, Lubna Dada, Ying Zhou, Jing Cai, Kaspar R. Daellenbach, Simo Hakala, Tom V. Kokkonen, Zhuohui Lin, Yongchun Liu, Yonghong Wang, Chao Yan, Tuukka Petäjä, Jingkun Jiang, Markku Kulmala, and Pauli Paasonen https://doi.org/10.5281/zenodo.3999054

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Short summary
To estimate the impacts of atmospheric aerosol particles on air quality, knowledge of size distributions of particles emitted from anthropogenic sources is needed. We introduce a new method for determining size-resolved particle number emissions from measured particle size distributions. We apply our method to data measured in Beijing, China. We find that particle number emissions at our site are dominated by emissions of particles smaller than 30 nm, originating mainly from traffic.
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