Three years of sea ice freeboard, snow depth, and ice thickness of the Weddell Sea from Operation IceBridge and CryoSat-2

Kwok, Ron; Kacimi, Sahra

doi:https://doi.org/10.5194/tc-12-2789-2018

Articles | Volume 12, issue 8

https://doi.org/10.5194/tc-12-2789-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-12-2789-2018

© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 8

Research article

|

30 Aug 2018

Research article |

| 30 Aug 2018

Three years of sea ice freeboard, snow depth, and ice thickness of the Weddell Sea from Operation IceBridge and CryoSat-2

Ron Kwok and Sahra Kacimi

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Final revised paper (published on 30 Aug 2018)
Preprint (discussion started on 25 May 2018)

Interactive discussion

Status: closed

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

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- Supplement

RC1: 'Review of Three years of sea ice freeboard, snow depth, and ice thickness of the Weddell Sea from Operation IceBridge and CryoSat-2 by Ron Kwok and Sahra Kacimi', Anonymous Referee #1, 03 Jul 2018
- AC1: 'Responses to Anonymous Referee #1', Ronald Kwok, 27 Jul 2018
RC2: 'comment on “Three years of sea ice freeboard, snow depth, and ice thickness of the Weddell Sea from Operation IceBridge and CryoSat-2” by Ron Kwok and Sahra Kacimi', Anonymous Referee #2, 12 Jul 2018
- AC2: 'Responses to Anonymous Referee #2', Ronald Kwok, 27 Jul 2018

Peer-review completion

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

AR by Ronald Kwok on behalf of the Authors (09 Aug 2018) Author's response Manuscript

ED: Publish subject to technical corrections (21 Aug 2018) by Christian Haas

AR by Ronald Kwok on behalf of the Authors (23 Aug 2018) Author's response Manuscript

Short summary

The variability of snow depth and ice thickness in three years of repeat surveys of an IceBridge (OIB) transect across the Weddell Sea is examined. Retrieved thicknesses suggest a highly variable but broadly thicker ice cover compared to that inferred from drilling and ship-based measurements. The use of lidar and radar altimeters to estimate snow depth for thickness calculations is analyzed, and the need for better characterization of biases due to radar penetration effects is highlighted.