Articles | Volume 14, issue 9
https://doi.org/10.5194/tc-14-2869-2020
© Author(s) 2020. 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-14-2869-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
New gravity-derived bathymetry for the Thwaites, Crosson, and Dotson ice shelves revealing two ice shelf populations
British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
David Porter
Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, 10964-8000, USA
Kirsty Tinto
Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY, 10964-8000, USA
Romain Millan
Institut des Géosciences de l'Environnement, Université
Grenoble Alpes, CNRS, 38000 Grenoble, France
Atsuhiro Muto
Dept. of Earth and Environmental Science, Temple University,
Philadelphia, PA 19122, USA
Kelly Hogan
British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
Robert D. Larter
British Antarctic Survey, High Cross, Madingley Road, Cambridge, CB3 0ET, UK
Alastair G. C. Graham
College of Marine Science, University of South Florida, St
Petersburg, FL 33701, USA
John D. Paden
Center for Remote Sensing of Ice Sheets (CReSIS), The University of
Kansas, KS 66045, USA
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Cited
26 citations as recorded by crossref.
- Rapid fragmentation of Thwaites Eastern Ice Shelf D. Benn et al. 10.5194/tc-16-2545-2022
- An Adaptive Nonlinear Iterative Method for Predicting Seafloor Topography From Altimetry‐Derived Gravity Data C. Xu et al. 10.1029/2022JB025692
- On the Feasibility of Seafloor Topography Estimation from Airborne Gravity Gradients: Performance Analysis Using Real Data J. Yang et al. 10.3390/rs12244092
- Characterizing bed roughness on the Antarctic continental margin S. Munevar Garcia et al. 10.1017/jog.2023.88
- Drivers of Change of Thwaites Glacier, West Antarctica, Between 1995 and 2015 T. dos Santos et al. 10.1029/2021GL093102
- The Relative Impacts of Initialization and Climate Forcing in Coupled Ice Sheet‐Ocean Modeling: Application to Pope, Smith, and Kohler Glaciers D. Goldberg & P. Holland 10.1029/2021JF006570
- Bathymetry Beneath the Amery Ice Shelf, East Antarctica, Revealed by Airborne Gravity J. Yang et al. 10.1029/2021GL096215
- Sedimentary Signatures of Persistent Subglacial Meltwater Drainage From Thwaites Glacier, Antarctica A. Lepp et al. 10.3389/feart.2022.863200
- Dynamic Error Elimination Method for Strapdown Dynamic Gravimetry S. Cai et al. 10.1109/LGRS.2022.3168063
- Strong Ocean Melting Feedback During the Recent Retreat of Thwaites Glacier P. Holland et al. 10.1029/2023GL103088
- Contemporary sea-level changes from global to local scales: a review A. Cazenave & L. Moreira 10.1098/rspa.2022.0049
- Synchronous retreat of Thwaites and Pine Island glaciers in response to external forcings in the presatellite era R. Clark et al. 10.1073/pnas.2211711120
- Pathways and modification of warm water flowing beneath Thwaites Ice Shelf, West Antarctica A. Wåhlin et al. 10.1126/sciadv.abd7254
- Rapid, buoyancy-driven ice-sheet retreat of hundreds of metres per day C. Batchelor et al. 10.1038/s41586-023-05876-1
- Weakening of the pinning point buttressing Thwaites Glacier, West Antarctica C. Wild et al. 10.5194/tc-16-397-2022
- Rapid retreat of Thwaites Glacier in the pre-satellite era A. Graham et al. 10.1038/s41561-022-01019-9
- Geological sketch map and implications for ice flow of Thwaites Glacier, West Antarctica, from integrated aerogeophysical observations T. Jordan et al. 10.1126/sciadv.adf2639
- Brief communication: Thwaites Glacier cavity evolution S. Bevan et al. 10.5194/tc-15-3317-2021
- 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
- Revealing the former bed of Thwaites Glacier using sea-floor bathymetry: implications for warm-water routing and bed controls on ice flow and buttressing K. Hogan et al. 10.5194/tc-14-2883-2020
- How rapidly can ice sheets retreat? 10.1038/d41586-023-00916-2
- Twenty-first century sea-level rise could exceed IPCC projections for strong-warming futures M. Siegert et al. 10.1016/j.oneear.2020.11.002
- Biogeochemistry of iron in coastal Antarctica: isotopic insights for external sources and biological uptake in the Amundsen Sea polynyas H. Tian et al. 10.1016/j.gca.2023.10.029
- Seafloor Depth of George VI Sound, Antarctic Peninsula, From Inversion of Aerogravity Data R. Constantino et al. 10.1029/2020GL088654
- Swirls and scoops: Ice base melt revealed by multibeam imagery of an Antarctic ice shelf A. Wåhlin et al. 10.1126/sciadv.adn9188
- Basal Melting, Roughness and Structural Integrity of Ice Shelves R. Larter 10.1029/2021GL097421
26 citations as recorded by crossref.
- Rapid fragmentation of Thwaites Eastern Ice Shelf D. Benn et al. 10.5194/tc-16-2545-2022
- An Adaptive Nonlinear Iterative Method for Predicting Seafloor Topography From Altimetry‐Derived Gravity Data C. Xu et al. 10.1029/2022JB025692
- On the Feasibility of Seafloor Topography Estimation from Airborne Gravity Gradients: Performance Analysis Using Real Data J. Yang et al. 10.3390/rs12244092
- Characterizing bed roughness on the Antarctic continental margin S. Munevar Garcia et al. 10.1017/jog.2023.88
- Drivers of Change of Thwaites Glacier, West Antarctica, Between 1995 and 2015 T. dos Santos et al. 10.1029/2021GL093102
- The Relative Impacts of Initialization and Climate Forcing in Coupled Ice Sheet‐Ocean Modeling: Application to Pope, Smith, and Kohler Glaciers D. Goldberg & P. Holland 10.1029/2021JF006570
- Bathymetry Beneath the Amery Ice Shelf, East Antarctica, Revealed by Airborne Gravity J. Yang et al. 10.1029/2021GL096215
- Sedimentary Signatures of Persistent Subglacial Meltwater Drainage From Thwaites Glacier, Antarctica A. Lepp et al. 10.3389/feart.2022.863200
- Dynamic Error Elimination Method for Strapdown Dynamic Gravimetry S. Cai et al. 10.1109/LGRS.2022.3168063
- Strong Ocean Melting Feedback During the Recent Retreat of Thwaites Glacier P. Holland et al. 10.1029/2023GL103088
- Contemporary sea-level changes from global to local scales: a review A. Cazenave & L. Moreira 10.1098/rspa.2022.0049
- Synchronous retreat of Thwaites and Pine Island glaciers in response to external forcings in the presatellite era R. Clark et al. 10.1073/pnas.2211711120
- Pathways and modification of warm water flowing beneath Thwaites Ice Shelf, West Antarctica A. Wåhlin et al. 10.1126/sciadv.abd7254
- Rapid, buoyancy-driven ice-sheet retreat of hundreds of metres per day C. Batchelor et al. 10.1038/s41586-023-05876-1
- Weakening of the pinning point buttressing Thwaites Glacier, West Antarctica C. Wild et al. 10.5194/tc-16-397-2022
- Rapid retreat of Thwaites Glacier in the pre-satellite era A. Graham et al. 10.1038/s41561-022-01019-9
- Geological sketch map and implications for ice flow of Thwaites Glacier, West Antarctica, from integrated aerogeophysical observations T. Jordan et al. 10.1126/sciadv.adf2639
- Brief communication: Thwaites Glacier cavity evolution S. Bevan et al. 10.5194/tc-15-3317-2021
- 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
- Revealing the former bed of Thwaites Glacier using sea-floor bathymetry: implications for warm-water routing and bed controls on ice flow and buttressing K. Hogan et al. 10.5194/tc-14-2883-2020
- How rapidly can ice sheets retreat? 10.1038/d41586-023-00916-2
- Twenty-first century sea-level rise could exceed IPCC projections for strong-warming futures M. Siegert et al. 10.1016/j.oneear.2020.11.002
- Biogeochemistry of iron in coastal Antarctica: isotopic insights for external sources and biological uptake in the Amundsen Sea polynyas H. Tian et al. 10.1016/j.gca.2023.10.029
- Seafloor Depth of George VI Sound, Antarctic Peninsula, From Inversion of Aerogravity Data R. Constantino et al. 10.1029/2020GL088654
- Swirls and scoops: Ice base melt revealed by multibeam imagery of an Antarctic ice shelf A. Wåhlin et al. 10.1126/sciadv.adn9188
- Basal Melting, Roughness and Structural Integrity of Ice Shelves R. Larter 10.1029/2021GL097421
Latest update: 06 Oct 2024
Short summary
Linking ocean and ice sheet processes allows prediction of sea level change. Ice shelves form a floating buffer between the ice–ocean systems, but the water depth beneath is often a mystery, leaving a critical blind spot in our understanding of how these systems interact. Here, we use airborne measurements of gravity to reveal the bathymetry under the ice shelves flanking the rapidly changing Thwaites Glacier and adjacent glacier systems, providing new insights and data for future models.
Linking ocean and ice sheet processes allows prediction of sea level change. Ice shelves form a...