Articles | Volume 19, issue 2
Atmos. Chem. Phys., 19, 1059–1076, 2019
https://doi.org/10.5194/acp-19-1059-2019
Atmos. Chem. Phys., 19, 1059–1076, 2019
https://doi.org/10.5194/acp-19-1059-2019

Research article 28 Jan 2019

Research article | 28 Jan 2019

Heterogeneous ice nucleation on dust particles sourced from nine deserts worldwide – Part 2: Deposition nucleation and condensation freezing

Yvonne Boose et al.

Data sets

Heterogeneous ice nucleation on dust particles sourced from 9 deserts worldwide – Part 2: Deposition nucleation and condensation freezing Y. Boose, P. Baloh, M. Plötze, J. Ofner, H. Grothe, B. Sierau, U. Lohmann, and Z. A. Kanji https://doi.org/10.3929/ethz-b-000314622

Short summary
The role non-mineral components play in the freezing behavior of atmospheric desert dust is not well known. In this study, we use chemical imaging methods to investigate this for airborne and surface-collected desert dust samples. We find that in most cases the ice nucleation behavior is determined by the dust mineralogical composition. However, volatile organic material can coat active sites and decrease the dust ice nucleation ability, while biological particles can significantly increase it.
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