Articles | Volume 23, issue 15
Research article
08 Aug 2023
Research article |  | 08 Aug 2023

Physicochemical characterization of free troposphere and marine boundary layer ice-nucleating particles collected by aircraft in the eastern North Atlantic

Daniel A. Knopf, Peiwen Wang, Benny Wong, Jay M. Tomlin, Daniel P. Veghte, Nurun N. Lata, Swarup China, Alexander Laskin, Ryan C. Moffet, Josephine Y. Aller, Matthew A. Marcus, and Jian Wang


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Short summary
Ambient particle populations and associated ice-nucleating particles (INPs) were examined from particle samples collected on board aircraft in the marine boundary layer and free troposphere in the eastern North Atlantic during summer and winter. Chemical imaging shows distinct differences in the particle populations seasonally and with sampling altitudes, which are reflected in the INP types. Freezing parameterizations are derived for implementation in cloud-resolving and climate models.
Final-revised paper