Articles | Volume 15, issue 11
https://doi.org/10.5194/tc-15-5187-2021
© 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-15-5187-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Two decades of dynamic change and progressive destabilization on the Thwaites Eastern Ice Shelf
Centre for Earth Observation Science, Department of Environment and Geography, University of Manitoba, Winnipeg, MB, Canada
Christian T. Wild
College of earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, USA
Adrian Luckman
Department of Geography, Swansea University, Swansea, UK
Ted A. Scambos
Earth Science and Observation Center, Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, USA
Martin Truffer
Geophysical Institute and Department of Physics, University of Alaska Fairbanks, Fairbanks, AK, USA
Erin C. Pettit
College of earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR, USA
Atsuhiro Muto
Department of Earth and Environmental Science, Temple University, Philadelphia, PA, USA
Bruce Wallin
National Snow and Ice Data Center, University of Colorado, Boulder, CO, USA
Marin Klinger
National Snow and Ice Data Center, University of Colorado, Boulder, CO, USA
Tyler Sutterley
Polar Science Center, University of Washington, Seattle, WA, USA
Sarah F. Child
Earth Science and Observation Center, Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, CO, USA
Cyrus Hulen
Department of Earth Sciences, College of Wooster, Wooster, OH, USA
Jan T. M. Lenaerts
Department of Atmospheric and Oceanic Sciences, University of Colorado Boulder, Boulder, CO, USA
Michelle Maclennan
Department of Atmospheric and Oceanic Sciences, University of Colorado Boulder, Boulder, CO, USA
Eric Keenan
Department of Atmospheric and Oceanic Sciences, University of Colorado Boulder, Boulder, CO, USA
Devon Dunmire
Department of Atmospheric and Oceanic Sciences, University of Colorado Boulder, Boulder, CO, USA
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- Contemporary sea-level changes from global to local scales: a review A. Cazenave & L. Moreira 10.1098/rspa.2022.0049
- Sedimentary Signatures of Persistent Subglacial Meltwater Drainage From Thwaites Glacier, Antarctica A. Lepp et al. 10.3389/feart.2022.863200
- Rapid fragmentation of Thwaites Eastern Ice Shelf D. Benn et al. 10.5194/tc-16-2545-2022
- Basal Melting, Roughness and Structural Integrity of Ice Shelves R. Larter 10.1029/2021GL097421
- Suppressed basal melting in the eastern Thwaites Glacier grounding zone P. Davis et al. 10.1038/s41586-022-05586-0
- Heterogeneous melting near the Thwaites Glacier grounding line B. Schmidt et al. 10.1038/s41586-022-05691-0
- 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
- On the Shallowing of Antarctic Low-Level Temperature Inversions Projected by CESM-LE under RCP8.5 M. Ding et al. 10.1007/s13351-024-3146-6
- Giant cracks push imperilled Antarctic glacier closer to collapse A. Witze 10.1038/d41586-021-03758-y
- Limited Impact of Thwaites Ice Shelf on Future Ice Loss From Antarctica G. Gudmundsson et al. 10.1029/2023GL102880
- Analysis of continuous calving front retreat and the associated influencing factors of the Thwaites Glacier using high-resolution remote sensing data from 2015 to 2023 Q. Zhu et al. 10.1080/17538947.2024.2390438
- Seawater oxygen isotopes as a tool for monitoring future meltwater from the Antarctic ice-sheet H. Kim & A. Timmermann 10.1038/s43247-024-01514-4
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- Stability of Ice Shelves and Ice Cliffs in a Changing Climate J. Bassis et al. 10.1146/annurev-earth-040522-122817
- Ocean variability beneath Thwaites Eastern Ice Shelf driven by the Pine Island Bay Gyre strength T. Dotto et al. 10.1038/s41467-022-35499-5
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- The West Antarctic Ice Sheet may not be vulnerable to marine ice cliff instability during the 21st century M. Morlighem et al. 10.1126/sciadv.ado7794
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- Topography reconstruction and evolution analysis of outlet glacier using data from unmanned aerial vehicles in Antarctica G. Qiao et al. 10.1016/j.jag.2023.103186
- Hysteresis of idealized, instability-prone outlet glaciers in response to pinning-point buttressing variation J. Feldmann et al. 10.5194/tc-18-4011-2024
- Rapid retreat of Thwaites Glacier in the pre-satellite era A. Graham et al. 10.1038/s41561-022-01019-9
- Catastrophic ice shelf collapse along the NW Laurentide Ice Sheet highlights the vulnerability of marine-based ice margins J. England et al. 10.1016/j.quascirev.2022.107524
- DiluviumDEM: Enhanced accuracy in global coastal digital elevation models D. Dusseau et al. 10.1016/j.rse.2023.113812
- Amundsen Sea circulation controls bottom upwelling and Antarctic Pine Island and Thwaites ice shelf melting T. Park et al. 10.1038/s41467-024-47084-z
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Discussed (final revised paper)
Latest update: 13 Dec 2024
Short summary
We present a 20-year, satellite-based record of velocity and thickness change on the Thwaites Eastern Ice Shelf (TEIS), the largest remaining floating extension of Thwaites Glacier (TG). TG holds the single greatest control on sea-level rise over the next few centuries, so it is important to understand changes on the TEIS, which controls much of TG's flow into the ocean. Our results suggest that the TEIS is progressively destabilizing and is likely to disintegrate over the next few decades.
We present a 20-year, satellite-based record of velocity and thickness change on the Thwaites...