Secondary ice production – no evidence of efficient rime-splintering mechanism

Seidel, Johanna S.; Kiselev, Alexei A.; Keinert, Alice; Stratmann, Frank; Leisner, Thomas; Hartmann, Susan

doi:https://doi.org/10.5194/acp-24-5247-2024

Articles | Volume 24, issue 9

https://doi.org/10.5194/acp-24-5247-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/acp-24-5247-2024

© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 24, issue 9

Research article

|

07 May 2024

Research article |

| 07 May 2024

Secondary ice production – no evidence of efficient rime-splintering mechanism

Johanna S. Seidel, Alexei A. Kiselev, Alice Keinert, Frank Stratmann, Thomas Leisner, and Susan Hartmann

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Final revised paper (published on 07 May 2024)
Supplement to the final revised paper
Preprint (discussion started on 11 Dec 2023)

Interactive discussion

Status: closed

RC1:
'Comment on egusphere-2023-2891', Alexei Korolev, 30 Dec 2023

The comment was uploaded in the form of a supplement: https://egusphere.copernicus.org/preprints/2023/egusphere-2023-2891/egusphere-2023-2891-RC1-supplement.pdf

Citation: https://doi.org/10.5194/egusphere-2023-2891-RC1
- AC1: 'Reply on RC1', Susan Hartmann, 28 Feb 2024
  
  We thank Dr. Korolev sincerely for your review and the appreciation of our study. We also thank you for highlighting the importance of laboratory investigations on secondary ice formation which includes rime-splintering or also known as Hallett-Mossop process investigated in this study. Further, we plan to address your comprehensible and helpful suggestions for future rime-splintering experiments, i.e., the investigation of influence of graupel rotation and humidity on the potential rime-splintering process.
  
  Citation: https://doi.org/10.5194/egusphere-2023-2891-AC1
RC2:
'Comment on egusphere-2023-2891', Paul Connolly, 08 Jan 2024

Please see my attached review. Although I think the experimental methods are excellent and the paper is generally well-written I think there needs to be some changes to the manuscript to take into account the findings of HH and Cooper (1987) and perhaps a toning down of the statement that there is no-evidence of an efficient RS mechanism. In fact the results are consistent with HH and Cooper. Please see the attached PDF for details.

Citation: https://doi.org/10.5194/egusphere-2023-2891-RC2
- AC2: 'Reply on RC2', Susan Hartmann, 28 Feb 2024
  
  Please see the attached pdf file in which we present our response to the reviewer Prof. P. Connolly.
  
  Citation: https://doi.org/10.5194/egusphere-2023-2891-AC2

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision | EF: Editorial file upload

AR by Susan Hartmann on behalf of the Authors (28 Feb 2024) Author's response Author's tracked changes Manuscript

ED: Referee Nomination & Report Request started (01 Mar 2024) by Luis A. Ladino

RR by Paul Connolly (12 Mar 2024)

ED: Publish as is (25 Mar 2024) by Luis A. Ladino

AR by Susan Hartmann on behalf of the Authors (27 Mar 2024)

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Short summary

Clouds often contain several thousand times more ice crystals than aerosol particles catalyzing ice formation. This phenomenon, commonly known as ice multiplication, is often explained by secondary ice formation due to the collisions between falling ice particles and droplets. In this study, we mimic this riming process. Contrary to earlier experiments, we found no efficient ice multiplication, which fundamentally questions the importance of the rime-splintering mechanism.

Secondary ice production – no evidence of efficient rime-splintering mechanism

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Interactive discussion

Peer review completion

Suggestions for revision or reasons for rejection