Articles | Volume 20, issue 18
https://doi.org/10.5194/acp-20-11089-2020
https://doi.org/10.5194/acp-20-11089-2020
Research article
 | 
29 Sep 2020
Research article |  | 29 Sep 2020

The ice-nucleating activity of Arctic sea surface microlayer samples and marine algal cultures

Luisa Ickes, Grace C. E. Porter, Robert Wagner, Michael P. Adams, Sascha Bierbauer, Allan K. Bertram, Merete Bilde, Sigurd Christiansen, Annica M. L. Ekman, Elena Gorokhova, Kristina Höhler, Alexei A. Kiselev, Caroline Leck, Ottmar Möhler, Benjamin J. Murray, Thea Schiebel, Romy Ullrich, and Matthew E. Salter

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Cited articles

Alpert, P. A., Aller, J. Y., and Knopf, D. A.: Initiation of the ice phase by marine biogenic surfaces in supersaturated gas and supercooled aqueous phases, Phys. Chem. Chem. Phys., 13, 19882–19894, https://doi.org/10.1039/C1CP21844A, 2011a. a, b, c
Alpert, P. A., Aller, J. Y., and Knopf, D. A.: Ice nucleation from aqueous NaCl droplets with and without marine diatoms, Atmos. Chem. Phys., 11, 5539–5555, https://doi.org/10.5194/acp-11-5539-2011, 2011b. a
Alpert, P. A., Kilthau, W. P., Bothe, D. W., Radway, J. C., Aller, J. Y., and Knopf, D. A.: The influence of marine microbial activities on aerosol production: A laboratory mesocosm study, J. Geophys. Res.-Atmos., 120, 8841–8860, https://doi.org/10.1002/2015JD023469, 2015. a
Alsved, M., Holm, S., Christiansen, S., Smidt, M., Rosati, B., Ling, M., Boesen, T., Finster, K., Bilde, M., Löndahl, J., and Šantl Temkiv, T.: Effect of Aerosolization and Drying on the Viability of Pseudomonas syringae Cells, Front. Microbiol., 9, 3086, https://doi.org/10.3389/fmicb.2018.03086, 2018. a
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The Arctic is a region where aerosols are scarce. Sea spray might be a potential source of aerosols acting as ice-nucleating particles. We investigate two common phytoplankton species (Melosira arctica and Skeletonema marinoi) and present their ice nucleation activity in comparison with Arctic seawater microlayer samples from different field campaigns. We also aim to understand the aerosolization process of marine biological samples and the potential effect on the ice nucleation activity.
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