Articles | Volume 18, issue 23
Atmos. Chem. Phys., 18, 17047–17059, 2018
Atmos. Chem. Phys., 18, 17047–17059, 2018

Research article 03 Dec 2018

Research article | 03 Dec 2018

The relative impact of cloud condensation nuclei and ice nucleating particle concentrations on phase partitioning in Arctic mixed-phase stratocumulus clouds

Amy Solomon et al.


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Anna Wenzel on behalf of the Authors (29 Oct 2018)  Author's response
ED: Publish as is (12 Nov 2018) by Christopher Hoyle

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Short summary
The results of this study indicate that perturbations in ice nucleating particles (INPs) dominate over cloud condensation nuclei (CCN) perturbations in Arctic mixed-phase stratocumulus; i.e., an equivalent fractional decrease in CCN and INPs results in an increase in the cloud-top longwave cooling rate, even though the droplet effective radius increases and the cloud emissivity decreases. In addition, cloud-processing causes layering of aerosols with increased concentrations of CCN at cloud top.
Final-revised paper