The day-to-day co-variability between mineral dust and cloud glaciation: a proxy for heterogeneous freezing

Villanueva, Diego; Heinold, Bernd; Seifert, Patric; Deneke, Hartwig; Radenz, Martin; Tegen, Ina

doi:https://doi.org/10.5194/acp-20-2177-2020

Articles | Volume 20, issue 4

https://doi.org/10.5194/acp-20-2177-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-20-2177-2020

© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 20, issue 4

Research article

|

26 Feb 2020

Research article |

| 26 Feb 2020

The day-to-day co-variability between mineral dust and cloud glaciation: a proxy for heterogeneous freezing

Diego Villanueva, Bernd Heinold, Patric Seifert, Hartwig Deneke, Martin Radenz, and Ina Tegen

Supplement

https://doi.org/10.5194/acp-20-2177-2020-supplement

Data sets

GCM-Oriented CALIPSO Cloud Product H. Chepfer https://climserv.ipsl.polytechnique.fr/cfmip-obs/Calipso_goccp_new.html

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Short summary

Spaceborne retrievals of cloud phase were analysed together with an atmospheric composition model to assess the global frequency of ice and liquid clouds. This analysis showed that at equal temperature the average occurrence of ice clouds increases for higher dust mixing ratios on a day-to-day basis in the middle and high latitudes. This indicates that mineral dust may have a strong impact on the occurrence of ice clouds even in remote areas.