Articles | Volume 20, issue 3
Atmos. Chem. Phys., 20, 1301–1316, 2020
https://doi.org/10.5194/acp-20-1301-2020
Atmos. Chem. Phys., 20, 1301–1316, 2020
https://doi.org/10.5194/acp-20-1301-2020

Research article 04 Feb 2020

Research article | 04 Feb 2020

The impact of secondary ice production on Arctic stratocumulus

Georgia Sotiropoulou et al.

Data sets

Aerosol-Cloud Coupling And Climate Interactions in the Arctic (ACCACIA) Measurement Campaign British Antarctic Survey http://catalogue.ceda.ac.uk/uuid/c59f184de7a408212ee926a9ee6bf66e

Data from the ACCACIA - Aerosol-Cloud Coupling And Climate Interactions in the Arctic project British Antarctic Survey https://data.bas.ac.uk/metadata.php?id=GB/NERC/BAS/PDC/00821

Model code and software

LPM code S. C. Sullivan https://github.com/scs2229/SIM

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Short summary
Arctic clouds constitute a large source of uncertainty in predictions of future climate. Observations indicate that the number concentration of cloud ice crystals exceeds the concentration of aerosols that can act as ice-nucleating particles (INPs). We show that ice multiplication due to mechanical break-up upon collisions between the few primary ice crystals (formed from INPs) can explain the discrepancy. Including a description of the process in climate models can improve cloud representation.
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