Articles | Volume 18, issue 8
Atmos. Chem. Phys., 18, 5307–5320, 2018
https://doi.org/10.5194/acp-18-5307-2018

Special issue: BACCHUS – Impact of Biogenic versus Anthropogenic emissions...

Atmos. Chem. Phys., 18, 5307–5320, 2018
https://doi.org/10.5194/acp-18-5307-2018

Research article 19 Apr 2018

Research article | 19 Apr 2018

Concentration and variability of ice nuclei in the subtropical maritime boundary layer

André Welti et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by André Welti on behalf of the Authors (10 Jan 2018)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (14 Jan 2018) by Allan Bertram
ED: Publish subject to minor revisions (review by editor) (12 Feb 2018) by Allan Bertram
AR by André Welti on behalf of the Authors (19 Feb 2018)  Author's response    Manuscript
ED: Publish as is (21 Feb 2018) by Allan Bertram
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Short summary
We report on ambient concentrations of ice nuclei, measured on the Cabo Verde islands. Concentrations are found to exponentially increase by 7 orders of magnitude from −5 to −38 °C. At each temperature, the frequency distribution of observed concentrations can be described by a lognormal distribution, typical for random dilution of substances during transport. Random dilution is found to account for larger fluctuations in IN concentration than seasonal changes and changes in air mass origin.
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