Articles | Volume 24, issue 7
https://doi.org/10.5194/acp-24-4537-2024
https://doi.org/10.5194/acp-24-4537-2024
Research article
 | 
17 Apr 2024
Research article |  | 17 Apr 2024

Soot aerosols from commercial aviation engines are poor ice-nucleating particles at cirrus cloud temperatures

Baptiste Testa, Lukas Durdina, Peter A. Alpert, Fabian Mahrt, Christopher H. Dreimol, Jacinta Edebeli, Curdin Spirig, Zachary C. J. Decker, Julien Anet, and Zamin A. Kanji

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Latest update: 13 Dec 2024
Short summary
Laboratory experiments on the ice nucleation of real commercial aviation soot particles are investigated for their cirrus cloud formation potential. Our results show that aircraft-emitted soot in the upper troposphere will be poor ice-nucleating particles. Measuring the soot particle morphology and modifying their mixing state allow us to elucidate why these particles are ineffective at forming ice, in contrast to previously used soot surrogates. 
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