Ice nucleating particles in the Saharan Air Layer

Boose, Yvonne; Sierau, Berko; García, M. Isabel; Rodríguez, Sergio; Alastuey, Andrés; Linke, Claudia; Schnaiter, Martin; Kupiszewski, Piotr; Kanji, Zamin A.; Lohmann, Ulrike

doi:https://doi.org/10.5194/acp-16-9067-2016

Articles | Volume 16, issue 14

https://doi.org/10.5194/acp-16-9067-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

BACCHUS – Impact of Biogenic versus Anthropogenic emissions...

https://doi.org/10.5194/acp-16-9067-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 16, issue 14

Research article

|

25 Jul 2016

Research article |

| 25 Jul 2016

Ice nucleating particles in the Saharan Air Layer

Yvonne Boose, Berko Sierau, M. Isabel García, Sergio Rodríguez, Andrés Alastuey, Claudia Linke, Martin Schnaiter, Piotr Kupiszewski, Zamin A. Kanji, and Ulrike Lohmann

Supplement

https://doi.org/10.5194/acp-16-9067-2016-supplement

Data sets

CALIMA2013 Yvonne Boose, Berko Sierau, Zamin Kanji http://www.bacchus-env.eu/in/index.php

CALIMA2014 Yvonne Boose, Berko Sierau, Zamin Kanji http://www.bacchus-env.eu/in/index.php

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Short summary

Mineral dust is known to be among the most prevalent ice-nucleating particles (INPs) in the atmosphere, playing a crucial role for ice cloud formation. We present 2 months of ground-based in situ measurements of INP concentrations in the free troposphere close to the largest global dust source, the Sahara. We find that some atmospheric processes such as mixing with biological particles and ammonium increase the dust INP ability. This is important when predicting INPs based on emissions.