Glacier geometry and flow speed determine how Arctic marine-terminating glaciers respond to lubricated beds

Zheng, Whyjay

doi:https://doi.org/10.5194/tc-16-1431-2022

Articles | Volume 16, issue 4

https://doi.org/10.5194/tc-16-1431-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-16-1431-2022

© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 16, issue 4

Research article

|

21 Apr 2022

Research article |

| 21 Apr 2022

Glacier geometry and flow speed determine how Arctic marine-terminating glaciers respond to lubricated beds

Whyjay Zheng

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Final revised paper (published on 21 Apr 2022)
Preprint (discussion started on 10 Nov 2021)

Interactive discussion

Status: closed

RC1:
'Comment on tc-2021-345', Anonymous Referee #1, 09 Dec 2021

See file attached

Citation: https://doi.org/10.5194/tc-2021-345-RC1
- AC1: 'Reply on RC1', Whyjay Zheng, 20 Feb 2022
  
  I would like to thank the reviewer for commenting on the manuscript constructively with valuable ideas and insights. My response is in the attached PDF file.
  
  Citation: https://doi.org/10.5194/tc-2021-345-AC1
RC2:
'Comment on tc-2021-345', Anonymous Referee #2, 25 Jan 2022

The comment was uploaded in the form of a supplement: https://tc.copernicus.org/preprints/tc-2021-345/tc-2021-345-RC2-supplement.pdf

Citation: https://doi.org/10.5194/tc-2021-345-RC2
- AC2: 'Reply on RC2', Whyjay Zheng, 20 Feb 2022
  
  I would like to thank the reviewer for commenting on the manuscript constructively with valuable ideas and insights. My response is in the attached PDF file.
  
  Citation: https://doi.org/10.5194/tc-2021-345-AC2

Peer review completion

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

ED: Publish subject to revisions (further review by editor and referees) (21 Feb 2022) by Ben Marzeion

AR by Whyjay Zheng on behalf of the Authors (24 Feb 2022) Author's response Author's tracked changes Manuscript

ED: Referee Nomination & Report Request started (25 Feb 2022) by Ben Marzeion

RR by Anonymous Referee #2 (14 Mar 2022)

ED: Publish as is (17 Mar 2022) by Ben Marzeion

AR by Whyjay Zheng on behalf of the Authors (18 Mar 2022) Manuscript

Short summary

A glacier can speed up when surface water reaches the glacier's bottom via crevasses and reduces sliding friction. This paper builds up a physical model and finds that thick and fast-flowing glaciers are sensitive to this friction disruption. The data from Greenland and Austfonna (Svalbard) glaciers over 20 years support the model prediction. To estimate the projected sea-level rise better, these sensitive glaciers should be frequently monitored for potential future instabilities.