Articles | Volume 16, issue 8
The Cryosphere, 16, 3181–3197, 2022
https://doi.org/10.5194/tc-16-3181-2022
The Cryosphere, 16, 3181–3197, 2022
https://doi.org/10.5194/tc-16-3181-2022
Research article
05 Aug 2022
Research article | 05 Aug 2022

Thickness of multi-year sea ice on the northern Canadian polar shelf: a second look after 40 years

Humfrey Melling

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on tc-2021-393', David Babb, 17 Feb 2022
    • AC1: 'Reply on RC1', Humfrey Melling, 25 Mar 2022
  • RC2: 'Comment on tc-2021-393', Anonymous Referee #2, 01 Mar 2022
    • AC2: 'Reply on RC2', Humfrey Melling, 25 Mar 2022

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (28 Mar 2022) by Stephen Howell
AR by Humfrey Melling on behalf of the Authors (04 May 2022)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (05 May 2022) by Stephen Howell
RR by Anonymous Referee #2 (23 May 2022)
RR by David Babb (07 Jun 2022)
ED: Publish subject to minor revisions (review by editor) (14 Jun 2022) by Stephen Howell
AR by Humfrey Melling on behalf of the Authors (24 Jun 2022)  Author's response    Author's tracked changes
ED: Publish as is (30 Jun 2022) by Stephen Howell
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Short summary
The Canadian polar shelf has the world’s thickest old sea ice. Its islands impede ice drift to warmer seas. The first year of data from up-looking sonar viewing this shelf’s ice reveal that thick (> 3 m) old ice remains plentiful here, in contrast to its growing scarcity elsewhere. Arctic circulation continues to pack ice against the islands and during storms to create by ridging the very thick ice found here. This study reveals the importance of ridging to the mass balance of Arctic sea ice.