Sentinel-3 Delay-Doppler altimetry over Antarctica

McMillan, Malcolm; Muir, Alan; Shepherd, Andrew; Escolà, Roger; Roca, Mònica; Aublanc, Jérémie; Thibaut, Pierre; Restano, Marco; Ambrozio, Américo; Benveniste, Jérôme

doi:https://doi.org/10.5194/tc-13-709-2019

Articles | Volume 13, issue 2

https://doi.org/10.5194/tc-13-709-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-13-709-2019

© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 13, issue 2

Research article

|

01 Mar 2019

Research article |

| 01 Mar 2019

Sentinel-3 Delay-Doppler altimetry over Antarctica

Malcolm McMillan, Alan Muir, Andrew Shepherd, Roger Escolà, Mònica Roca, Jérémie Aublanc, Pierre Thibaut, Marco Restano, Américo Ambrozio, and Jérôme Benveniste

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Final revised paper (published on 01 Mar 2019)
Preprint (discussion started on 11 Jul 2018)

Interactive discussion

Status: closed

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

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RC1: 'Referee comment on tc-2018-120', Anonymous Referee #1, 01 Aug 2018
RC2: 'Review of ``Sentinel-3 Delay-Doppler Altimetry over Antarctica'' by McMillan et al.', Anonymous Referee #2, 06 Sep 2018
AC1: 'Author Response', Malcolm McMillan, 07 Dec 2018

Peer-review completion

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

AR by Malcolm McMillan on behalf of the Authors (07 Dec 2018) Author's response

ED: Publish subject to minor revisions (review by editor) (19 Dec 2018) by Ginny Catania

AR by Malcolm McMillan on behalf of the Authors (18 Jan 2019) Author's response Manuscript

ED: Publish as is (21 Jan 2019) by Ginny Catania

Short summary

Melting of the Greenland and Antarctic ice sheets is one of the main causes of current sea level rise. Understanding ice sheet change requires large-scale systematic satellite monitoring programmes. This study provides the first assessment of a new long-term source of measurements, from Sentinel-3 satellite altimetry. We estimate the accuracy of Sentinel-3 across Antarctica, show that the satellite can detect regions that are rapidly losing ice, and identify signs of subglacial lake activity.