Articles | Volume 26, issue 15
https://doi.org/10.5194/acp-26-11473-2026
https://doi.org/10.5194/acp-26-11473-2026
Research article
 | 
14 Aug 2026
Research article |  | 14 Aug 2026

High frequency of urban new particle formation on the Tibetan Plateau: quantifying formation rates, growth rates, and CCN production

Qiqi Mo, Longjie Wen, Gang Zhao, Chunxiang Ye, Jie Sun, Weili Lin, Fengjun Shen, Tong Liu, Yicheng Gao, Yi Chen, Tiantian Zhang, and Tong Zhu

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EGUsphere, https://doi.org/10.5194/egusphere-2026-4877,https://doi.org/10.5194/egusphere-2026-4877, 2026
This preprint is open for discussion and under review for Atmospheric Chemistry and Physics (ACP).
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Cited articles

Aktypis, A., Kaltsonoudis, C., Skyllakou, K., Matrali, A., Vasilakopoulou, C. N., Florou, K., and Pandis, S. N.: Infrequent new particle formation in a coastal Mediterranean city during the summer, Atmos. Environ., 302, 119732, https://doi.org/10.1016/j.atmosenv.2023.119732, 2023. 
Arias, P., Bellouin, N., Coppola, E., Jones, R., Krinner, G., Marotzke, J., Naik, V., Palmer, M., Plattner, G.-K., and Rogelj, J.: Climate Change 2021: the physical science basis, in: Contribution of Working Group I to the Sixth Assessment Report of the Intergovernmental Panel on Climate Change; technical summary, Cambridge University Press, Cambridge, UK and New York, NY, USA, 33–144, https://doi.org/10.1017/9781009157896.002, 2021. 
Baalbaki, R., Pikridas, M., Jokinen, T., Laurila, T., Dada, L., Bezantakos, S., Ahonen, L., Neitola, K., Maisser, A., Bimenyimana, E., Christodoulou, A., Unga, F., Savvides, C., Lehtipalo, K., Kangasluoma, J., Biskos, G., Petäjä, T., Kerminen, V. M., Sciare, J., and Kulmala, M.: Towards understanding the characteristics of new particle formation in the Eastern Mediterranean, Atmos. Chem. Phys., 21, 9223–9251, https://doi.org/10.5194/acp-21-9223-2021, 2021. 
Cai, R., Yang, D., Fu, Y., Wang, X., Li, X., Ma, Y., Hao, J., Zheng, J., and Jiang, J.: Aerosol surface area concentration: a governing factor in new particle formation in Beijing, Atmos. Chem. Phys., 17, 12327–12340, https://doi.org/10.5194/acp-17-12327-2017, 2017. 
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Measurements in Lhasa show that new airborne particles formed on most observation days. They were more frequent during the autumn campaign than during the spring campaign and were linked to increases in particles that can help form clouds. The findings improve our understanding of how city air may affect clouds and climate in high-altitude regions.
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