Articles | Volume 21, issue 18
Atmos. Chem. Phys., 21, 14293–14308, 2021
https://doi.org/10.5194/acp-21-14293-2021
Atmos. Chem. Phys., 21, 14293–14308, 2021
https://doi.org/10.5194/acp-21-14293-2021
Research article
27 Sep 2021
Research article | 27 Sep 2021

Evaluation of the contribution of new particle formation to cloud droplet number concentration in the urban atmosphere

Sihui Jiang et al.

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New particle formation (NPF) can be a large source of CCN and affect weather and climate. Here we show that the NPF contributes largely to cloud droplet number concentration (Nd) but is suppressed at high particle number concentrations in Beijing due to water vapor competition. We also reveal a considerable impact of primary sources on the evaluation in the urban atmosphere. Our study has great significance for assessing NPF-associated effects on climate in polluted regions.
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