Articles | Volume 23, issue 8
https://doi.org/10.5194/acp-23-4741-2023
https://doi.org/10.5194/acp-23-4741-2023
Research article
 | 
20 Apr 2023
Research article |  | 20 Apr 2023

Ice-nucleating particles in northern Greenland: annual cycles, biological contribution and parameterizations

Kevin C. H. Sze, Heike Wex, Markus Hartmann, Henrik Skov, Andreas Massling, Diego Villanueva, and Frank Stratmann

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Ice-nucleating particles (INPs) play an important role in cloud formation and thus in our climate. But little is known about the abundance and properties of INPs, especially in the Arctic, where the temperature increases almost 4 times as fast as that of the rest of the globe. We observe higher INP concentrations and more biological INPs in summer than in winter, likely from local sources. We also provide three equations for estimating INP concentrations in models at different times of the year.
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