Articles | Volume 15, issue 3
https://doi.org/10.5194/tc-15-1517-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-15-1517-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
25 Mar 2021
Research article |
| 25 Mar 2021
| 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
CORRESPONDING AUTHOR
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven 27570, Germany
Sebastian Beyer
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven 27570, Germany
Hugh Corr
British Antarctic Survey, National Environmental Research Council, Cambridge, CB3 0ET, UK
Olaf Eisen
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven 27570, Germany
Department of Geosciences,, University of Bremen, Klagenfurter Straße 2–4, Bremen 28359, Germany
Tore Hattermann
Norwegian Polar Institute, Framsenteret, Hjalmar Johansens gate 14, 9296 Tromsø, Norway
Veit Helm
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven 27570, Germany
Niklas Neckel
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven 27570, Germany
Emma C. Smith
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven 27570, Germany
now at: School of Earth and Environment, University of Leeds, Leeds, LS2 9JT, UK
Daniel Steinhage
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven 27570, Germany
Ole Zeising
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven 27570, Germany
Angelika Humbert
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Am Handelshafen 12, Bremerhaven 27570, Germany
Department of Geosciences,, University of Bremen, Klagenfurter Straße 2–4, Bremen 28359, Germany
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Cited
8 citations as recorded by crossref.
- The case for a Framework for UnderStanding Ice-Ocean iNteractions (FUSION) in the Antarctic-Southern Ocean system F. McCormack et al. 10.1525/elementa.2024.00036
- Antarctic basal environment shaped by high-pressure flow through a subglacial river system C. Dow et al. 10.1038/s41561-022-01059-1
- British Antarctic Survey's aerogeophysical data: releasing 25 years of airborne gravity, magnetic, and radar datasets over Antarctica A. Frémand et al. 10.5194/essd-14-3379-2022
- On the evolution of an ice shelf melt channel at the base of Filchner Ice Shelf, from observations and viscoelastic modeling A. Humbert et al. 10.5194/tc-16-4107-2022
- Regularization and L-curves in ice sheet inverse models: a case study in the Filchner–Ronne catchment M. Wolovick et al. 10.5194/tc-17-5027-2023
- The morphological changes of basal channels based on multi-source remote sensing data at the Pine Island Ice Shelf X. Song et al. 10.1007/s13131-023-2241-3
- A nested high-resolution unstructured grid 3-D ocean-sea ice-ice shelf setup for numerical investigations of the Petermann ice shelf and fjord A. Prakash et al. 10.1016/j.mex.2022.101668
- Automatic Extraction of the Basal Channel Based on Neural Network X. Song et al. 10.1109/JSTARS.2022.3184156
8 citations as recorded by crossref.
- The case for a Framework for UnderStanding Ice-Ocean iNteractions (FUSION) in the Antarctic-Southern Ocean system F. McCormack et al. 10.1525/elementa.2024.00036
- Antarctic basal environment shaped by high-pressure flow through a subglacial river system C. Dow et al. 10.1038/s41561-022-01059-1
- British Antarctic Survey's aerogeophysical data: releasing 25 years of airborne gravity, magnetic, and radar datasets over Antarctica A. Frémand et al. 10.5194/essd-14-3379-2022
- On the evolution of an ice shelf melt channel at the base of Filchner Ice Shelf, from observations and viscoelastic modeling A. Humbert et al. 10.5194/tc-16-4107-2022
- Regularization and L-curves in ice sheet inverse models: a case study in the Filchner–Ronne catchment M. Wolovick et al. 10.5194/tc-17-5027-2023
- The morphological changes of basal channels based on multi-source remote sensing data at the Pine Island Ice Shelf X. Song et al. 10.1007/s13131-023-2241-3
- A nested high-resolution unstructured grid 3-D ocean-sea ice-ice shelf setup for numerical investigations of the Petermann ice shelf and fjord A. Prakash et al. 10.1016/j.mex.2022.101668
- Automatic Extraction of the Basal Channel Based on Neural Network X. Song et al. 10.1109/JSTARS.2022.3184156
Latest update: 13 Dec 2024
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.
Support Force Glacier rapidly flows into Filcher Ice Shelf of Antarctica. As we know little...
