Articles | Volume 15, issue 3
The Cryosphere, 15, 1517–1535, 2021
https://doi.org/10.5194/tc-15-1517-2021
The Cryosphere, 15, 1517–1535, 2021
https://doi.org/10.5194/tc-15-1517-2021

Research article 25 Mar 2021

Research article | 25 Mar 2021

Evidence for a grounding line fan at the onset of a basal channel under the ice shelf of Support Force Glacier, Antarctica, revealed by reflection seismics

Coen Hofstede et al.

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Interactive discussion

Status: closed
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (31 Aug 2020) by Christian Hauck
AR by Coen Hofstede on behalf of the Authors (27 Oct 2020)  Author's response    Manuscript
ED: Referee Nomination & Report Request started (29 Oct 2020) by Christian Hauck
RR by Adam Booth (07 Dec 2020)
RR by Neil Ross (18 Dec 2020)
ED: Publish subject to minor revisions (review by editor) (31 Dec 2020) by Christian Hauck
AR by Coen Hofstede on behalf of the Authors (25 Jan 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (05 Feb 2021) by Christian Hauck
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Short summary
Support Force Glacier rapidly flows into Filcher Ice Shelf of Antarctica. As we know little about this glacier and its subglacial drainage, we used seismic energy to map the transition area from grounded to floating ice where a drainage channel enters the ocean cavity. Soft sediments close to the grounding line are probably transported by this drainage channel. The constant ice thickness over the steeply dipping seabed of the ocean cavity suggests a stable transition and little basal melting.