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

Solomon, Amy; de Boer, Gijs; Creamean, Jessie M.; McComiskey, Allison; Shupe, Matthew D.; Maahn, Maximilian; Cox, Christopher

doi:https://doi.org/10.5194/acp-18-17047-2018

Articles | Volume 18, issue 23

https://doi.org/10.5194/acp-18-17047-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-18-17047-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 18, issue 23

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, Gijs de Boer, Jessie M. Creamean, Allison McComiskey, Matthew D. Shupe, Maximilian Maahn, and Christopher Cox

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Final revised paper (published on 03 Dec 2018)
Preprint (discussion started on 10 Aug 2018)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review for “The relative impact of cloud condensation nuclei and ice nucleating particle concentrations on phase-partitioning in Arctic Mixed-Phase Stratocumulus Clouds”', Anonymous Referee #1, 26 Sep 2018
RC2: 'Author Response to Referee Comments', Anonymous Referee #2, 05 Oct 2018
AC1: 'Point-by-points responses to reviewers', Amy Solomon, 25 Oct 2018
AC2: 'Revised paper with tracking changes', Amy Solomon, 25 Oct 2018

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

AR by Amy Solomon on behalf of the Authors (25 Oct 2018) Manuscript

ED: Publish as is (12 Nov 2018) by Christopher Hoyle

AR by Amy Solomon on behalf of the Authors (13 Nov 2018)

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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.