Rare temperature histories and cirrus ice number density in a parcel and a one-dimensional model

Murphy, D. M.

doi:https://doi.org/10.5194/acp-14-13013-2014

Articles | Volume 14, issue 23

https://doi.org/10.5194/acp-14-13013-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-14-13013-2014

© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 14, issue 23

Research article

|

09 Dec 2014

Research article |

| 09 Dec 2014

Rare temperature histories and cirrus ice number density in a parcel and a one-dimensional model

D. M. Murphy

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Final revised paper (published on 09 Dec 2014)
Preprint (discussion started on 29 Apr 2014)

Interactive discussion

Status: closed

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

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- Supplement

RC C2804: 'referee comment', Eric Jensen, 27 May 2014
- AC C6501: 'Response to review', Daniel Murphy, 03 Sep 2014
RC C5780: 'Review', Anonymous Referee #2, 12 Aug 2014
- AC C6504: 'Response to review', Daniel Murphy, 03 Sep 2014

Peer-review completion

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

AR by Daniel Murphy on behalf of the Authors (03 Sep 2014) Author's response Manuscript

ED: Referee Nomination & Report Request started (12 Sep 2014) by Martina Krämer

RR by Anonymous Referee #2 (06 Oct 2014)

ED: Reconsider after minor revisions (Editor review) (22 Oct 2014) by Martina Krämer

AR by Daniel Murphy on behalf of the Authors (28 Oct 2014) Author's response Manuscript

ED: Publish as is (10 Nov 2014) by Martina Krämer

Short summary

The properties of cirrus clouds depend on the rate at which air cools as the cloud forms. Small-scale motions in the atmosphere have high rates of cooling. This usually leads to very small ice crystals. However, a few random cooling fluctuations will produce only a few ice crystals. This paper shows that these events are important even if they are rare: they lead to particles that sediment and influence a lot of air. The results show dehydration is less sensitive to details of ice nucleation.