Articles | Volume 2, issue 2
https://doi.org/10.5194/ar-2-343-2024
https://doi.org/10.5194/ar-2-343-2024
Research article
 | 
19 Dec 2024
Research article |  | 19 Dec 2024

Cloud drop activation of insoluble aerosols aided by film-forming surfactants

Ari Laaksonen

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Cited articles

Abbatt, J. P. D., Broekhuizen, K., and Pradeep Kumar, P.: Cloud condensation nucleus activity of internally mixed ammonium sulfate/organic acid aerosol particles, Atmos. Environ., 39, 4767–4778, https://doi.org/10.1016/j.atmosenv.2005.04.029, 2005. a
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Short summary
Insoluble aerosol particles such as minerals and black carbon can trigger freezing inside clouds, which leads to rain formation. However, both particle types are relatively poor nuclei for cloud droplets. In this work, theoretical calculations are presented about the ability of surface-tension-reducing compounds to promote cloud drop formation around insoluble aerosols. The calculations indicate that such surfactants can be efficient in “smuggling” insoluble particles into cloud droplets.
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