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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Cited articles

Abegglen, M., Durdina, L., Brem, B. T., Wang, J., Rindlisbacher, T., Corbin, J. C., Lohmann, U., and Sierau, B.: Effective density and mass–mobility exponents of particulate matter in aircraft turbine exhaust: Dependence on engine thrust and particle size, J. Aerosol Sci., 88, 135–147, https://doi.org/10.1016/j.jaerosci.2015.06.003, 2015. a
Abegglen, M., Brem, B. T., Ellenrieder, M., Durdina, L., Rindlisbacher, T., Wang, J., Lohmann, U., and Sierau, B.: Chemical characterization of freshly emitted particulate matter from aircraft exhaust using single particle mass spectrometry, Atmos. Environ., 134, 181–197, https://doi.org/10.1016/j.atmosenv.2016.03.051, 2016. a, b, c, d
Atiku, F. A., Mitchell, E. J. S., Lea-Langton, A. R., Jones, J. M., Williams, A., and Bartle, K. D.: The Impact of Fuel Properties on the Composition of Soot Produced by the Combustion of Residential Solid Fuels in a Domestic Stove, Fuel Process. Technol., 151, 117–125, https://doi.org/10.1016/j.fuproc.2016.05.032, 2016. a
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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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