Comparing contact and immersion freezing from continuous flow diffusion chambers

Nagare, Baban; Marcolli, Claudia; Welti, André; Stetzer, Olaf; Lohmann, Ulrike

doi:10.5194/acp-16-8899-2016

Articles | Volume 16, issue 14

https://doi.org/10.5194/acp-16-8899-2016

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

https://doi.org/10.5194/acp-16-8899-2016

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

Articles | Volume 16, issue 14

Research article

|

19 Jul 2016

Research article |

| 19 Jul 2016

Comparing contact and immersion freezing from continuous flow diffusion chambers

Baban Nagare, Claudia Marcolli, André Welti, Olaf Stetzer, and Ulrike Lohmann

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Cumulative views and downloads (calculated since 01 Feb 2016)

Month	HTML	PDF	XML	Total
Feb 2016	119	43	4	166
Mar 2016	65	19	0	84
Apr 2016	9	2	0	11
May 2016	16	7	0	23
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Latest update: 03 Apr 2026

Short summary

The relative importance of contact freezing and immersion freezing at mixed-phase cloud temperatures is the subject of debate. We performed experiments using continuous-flow diffusion chambers to compare the freezing efficiency of ice-nucleating particles for both these nucleation modes. Silver iodide, kaolinite and Arizona Test Dust were used as ice-nucleating particles. We could not confirm the dominance of contact freezing over immersion freezing for our experimental conditions.