Articles | Volume 21, issue 11
Atmos. Chem. Phys., 21, 8575–8592, 2021
https://doi.org/10.5194/acp-21-8575-2021
Atmos. Chem. Phys., 21, 8575–8592, 2021
https://doi.org/10.5194/acp-21-8575-2021

Research article 07 Jun 2021

Research article | 07 Jun 2021

The important roles of surface tension and growth rate in the contribution of new particle formation (NPF) to cloud condensation nuclei (CCN) number concentration: evidence from field measurements in southern China

Mingfu Cai et al.

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Cited articles

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Cai, M., Tan, H., Chan, C. K., Qin, Y., Xu, H., Li, F., Schurman, M. I., Liu, L., and Zhao, J.: The size-resolved cloud condensation nuclei (CCN) activity and its prediction based on aerosol hygroscopicity and composition in the Pearl Delta River (PRD) region during wintertime 2014, Atmos. Chem. Phys., 18, 16419–16437, https://doi.org/10.5194/acp-18-16419-2018, 2018. 
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Short summary
This study investigated the contribution of new particle formation (NPF) events to the number concentration of cloud condensation nuclei (NCCN) and its controlling factors in the Pearl River Delta region. The results show that the surfactant effect can decrease the critical diameter and significantly increase the NCCN during the NPF event. In addition, the growth rate is founded to be the most important controlling factor that affects NCCN for growth of newly-formed particles to the CCN sizes.
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