CNT Parameterization Based on the Observed INP Concentration during Arctic Summer Campaigns in a Marine Environment

Ana Cirisan, Eric Girard, Jean-Pierre Blanchet, Setigui Aboubacar Keita, Wanmin Gong, Vickie Irish & Allan K. Bertram
Aerosol–cloud interactions present a large source of uncertainties in atmospheric and climate models. One of the main challenges to simulate ice clouds is to reproduce the right ice nucleating particle concentration. In this study, we derive a parameterization for immersion freezing according to the classical nucleation theory. Our objective was to constrain this parameterization with observations taken over the Canadian Arctic during the Amundsen summer 2014 and 2016 campaigns. We found a linear dependence of...
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