Articles | Volume 21, issue 1
https://doi.org/10.5194/acp-21-183-2021
https://doi.org/10.5194/acp-21-183-2021
Research article
 | 
11 Jan 2021
Research article |  | 11 Jan 2021

Investigating three patterns of new particles growing to the size of cloud condensation nuclei in Beijing's urban atmosphere

Liya Ma, Yujiao Zhu, Mei Zheng, Yele Sun, Lei Huang, Xiaohuan Liu, Yang Gao, Yanjie Shen, Huiwang Gao, and Xiaohong Yao

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In this study, we investigate three patterns of new particles growing to CCN (cloud condensation nuclei) size, i.e., one-stage growth and two-stage growth-A and growth-B patterns. Combining the observations of gaseous pollutants and measured or modeled particulate chemical species, the three growth patterns were discussed regarding the spatial heterogeneity, formation of secondary aerosols, and evaporation of semivolatile particulates as was the survival probability of new particles to CCN size.
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