Articles | Volume 17, issue 17
Atmos. Chem. Phys., 17, 10583–10595, 2017
https://doi.org/10.5194/acp-17-10583-2017

Special issue: NETCARE (Network on Aerosols and Climate: Addressing Key Uncertainties...

Atmos. Chem. Phys., 17, 10583–10595, 2017
https://doi.org/10.5194/acp-17-10583-2017

Research article 08 Sep 2017

Research article | 08 Sep 2017

Ice-nucleating particles in Canadian Arctic sea-surface microlayer and bulk seawater

Victoria E. Irish et al.

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Short summary
The ocean is a possible source of atmospheric ice-nucleating particles (INPs). In this study we found that INPs were ubiquitous in the sea-surface microlayer and bulk seawater in the Canadian Arctic. A strong negative correlation was observed between salinity and freezing temperatures (after correcting for freezing point depression). Heat and filtration treatments of the samples showed that the INPs were likely biological material with sizes between 0.02 μm and 0.2 μm in diameter.
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