Disk and circumsolar radiances in the presence of ice clouds

Haapanala, Päivi; Räisänen, Petri; McFarquhar, Greg M.; Tiira, Jussi; Macke, Andreas; Kahnert, Michael; DeVore, John; Nousiainen, Timo

doi:https://doi.org/10.5194/acp-17-6865-2017

Articles | Volume 17, issue 11

https://doi.org/10.5194/acp-17-6865-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-17-6865-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 17, issue 11

Research article

|

12 Jun 2017

Research article |

| 12 Jun 2017

Disk and circumsolar radiances in the presence of ice clouds

Päivi Haapanala, Petri Räisänen, Greg M. McFarquhar, Jussi Tiira, Andreas Macke, Michael Kahnert, John DeVore, and Timo Nousiainen

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Final revised paper (published on 12 Jun 2017)
Preprint (discussion started on 25 Nov 2016)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Disk and circumsolar radiances in the presence of ice clouds', Anonymous Referee #2, 23 Dec 2016
- AC1: 'Response to reviewer #2', Päivi Haapanala, 04 Mar 2017
RC2: 'Disk and circumsolar radiances in the presence of ice clouds', Anonymous Referee #1, 01 Jan 2017
- AC2: 'Response to reviewer #1', Päivi Haapanala, 04 Mar 2017

Peer-review completion

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

AR by Päivi Haapanala on behalf of the Authors (14 Apr 2017) Author's response Manuscript

ED: Publish as is (01 May 2017) by Bernhard Mayer

Short summary

The dependence of solar-disk and circumsolar radiances on ice cloud properties is studied with a Monte Carlo radiative transfer model. Ice crystal roughness (or more generally, non-ideality) is found to be the most important parameter influencing the circumsolar radiance, and ice crystal sizes and shapes also play significant roles. When comparing with radiances measured with the SAM instrument, rough ice crystals reproduce the measurements better than idealized smooth ice crystals do.