Articles | Volume 15, issue 2
https://doi.org/10.5194/tc-15-663-2021
© 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-15-663-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
11 Feb 2021
Research article |
| 11 Feb 2021
| 11 Feb 2021
Recent acceleration of Denman Glacier (1972–2017), East Antarctica, driven by grounding line retreat and changes in ice tongue configuration
Bertie W. J. Miles
CORRESPONDING AUTHOR
Department of Geography, Durham University, Durham, DH1 3LE, UK
Jim R. Jordan
Department of Geography and Environmental Sciences, Northumbria
University, Newcastle upon Tyne, NE1 8ST, UK
Chris R. Stokes
Department of Geography, Durham University, Durham, DH1 3LE, UK
Stewart S. R. Jamieson
Department of Geography, Durham University, Durham, DH1 3LE, UK
G. Hilmar Gudmundsson
Department of Geography and Environmental Sciences, Northumbria
University, Newcastle upon Tyne, NE1 8ST, UK
Adrian Jenkins
Department of Geography and Environmental Sciences, Northumbria
University, Newcastle upon Tyne, NE1 8ST, UK
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Cited
18 citations as recorded by crossref.
- Response of the East Antarctic Ice Sheet to past and future climate change C. Stokes et al. 10.1038/s41586-022-04946-0
- Partitioning the drivers of Antarctic glacier mass balance (2003–2020) using satellite observations and a regional climate model B. Kim et al. 10.1073/pnas.2322622121
- High spatial and temporal variability in Antarctic ice discharge linked to ice shelf buttressing and bed geometry B. Miles et al. 10.1038/s41598-022-13517-2
- Englacial architecture of Lambert Glacier, East Antarctica R. Sanderson et al. 10.5194/tc-17-4853-2023
- Glaciological history and structural evolution of the Shackleton Ice Shelf system, East Antarctica, over the past 60 years S. Thompson et al. 10.5194/tc-17-157-2023
- Seafloor roughness reduces melting of East Antarctic ice shelves Y. Liu et al. 10.1038/s43247-024-01480-x
- Brief communication: Rapid acceleration of the Brunt Ice Shelf after calving of iceberg A-81 O. Marsh et al. 10.5194/tc-18-705-2024
- Subglacial discharge accelerates future retreat of Denman and Scott Glaciers, East Antarctica T. Pelle et al. 10.1126/sciadv.adi9014
- Nunataks as barriers to ice flow: implications for palaeo ice sheet reconstructions M. Mas e Braga et al. 10.5194/tc-15-4929-2021
- Surface melt on the Shackleton Ice Shelf, East Antarctica (2003–2021) D. Saunderson et al. 10.5194/tc-16-4553-2022
- The sensitivity of Cook Glacier, East Antarctica, to changes in ice-shelf extent and grounding-line position J. Jordan et al. 10.1017/jog.2021.106
- Extensive and anomalous grounding line retreat at Vanderford Glacier, Vincennes Bay, Wilkes Land, East Antarctica H. Picton et al. 10.5194/tc-17-3593-2023
- Vulnerability of Denman Glacier to Ocean Heat Flux Revealed by Profiling Float Observations E. van Wijk et al. 10.1029/2022GL100460
- GPS Rates of Vertical Bedrock Motion Suggest Late Holocene Ice‐Sheet Readvance in a Critical Sector of East Antarctica M. King et al. 10.1029/2021GL097232
- Deglaciation of the north American ice sheet complex in calendar years based on a comprehensive database of chronological data: NADI-1 A. Dalton et al. 10.1016/j.quascirev.2023.108345
- Acceleration of Dynamic Ice Loss in Antarctica From Satellite Gravimetry T. Diener et al. 10.3389/feart.2021.741789
- The long-term sea-level commitment from Antarctica A. Klose et al. 10.5194/tc-18-4463-2024
- Distribution of stable oxygen isotope in seawater and implication on freshwater cycle off the coast from Wilkes to George V Land, East Antarctica S. Aoki et al. 10.1016/j.pocean.2023.103101
17 citations as recorded by crossref.
- Response of the East Antarctic Ice Sheet to past and future climate change C. Stokes et al. 10.1038/s41586-022-04946-0
- Partitioning the drivers of Antarctic glacier mass balance (2003–2020) using satellite observations and a regional climate model B. Kim et al. 10.1073/pnas.2322622121
- High spatial and temporal variability in Antarctic ice discharge linked to ice shelf buttressing and bed geometry B. Miles et al. 10.1038/s41598-022-13517-2
- Englacial architecture of Lambert Glacier, East Antarctica R. Sanderson et al. 10.5194/tc-17-4853-2023
- Glaciological history and structural evolution of the Shackleton Ice Shelf system, East Antarctica, over the past 60 years S. Thompson et al. 10.5194/tc-17-157-2023
- Seafloor roughness reduces melting of East Antarctic ice shelves Y. Liu et al. 10.1038/s43247-024-01480-x
- Brief communication: Rapid acceleration of the Brunt Ice Shelf after calving of iceberg A-81 O. Marsh et al. 10.5194/tc-18-705-2024
- Subglacial discharge accelerates future retreat of Denman and Scott Glaciers, East Antarctica T. Pelle et al. 10.1126/sciadv.adi9014
- Nunataks as barriers to ice flow: implications for palaeo ice sheet reconstructions M. Mas e Braga et al. 10.5194/tc-15-4929-2021
- Surface melt on the Shackleton Ice Shelf, East Antarctica (2003–2021) D. Saunderson et al. 10.5194/tc-16-4553-2022
- The sensitivity of Cook Glacier, East Antarctica, to changes in ice-shelf extent and grounding-line position J. Jordan et al. 10.1017/jog.2021.106
- Extensive and anomalous grounding line retreat at Vanderford Glacier, Vincennes Bay, Wilkes Land, East Antarctica H. Picton et al. 10.5194/tc-17-3593-2023
- Vulnerability of Denman Glacier to Ocean Heat Flux Revealed by Profiling Float Observations E. van Wijk et al. 10.1029/2022GL100460
- GPS Rates of Vertical Bedrock Motion Suggest Late Holocene Ice‐Sheet Readvance in a Critical Sector of East Antarctica M. King et al. 10.1029/2021GL097232
- Deglaciation of the north American ice sheet complex in calendar years based on a comprehensive database of chronological data: NADI-1 A. Dalton et al. 10.1016/j.quascirev.2023.108345
- Acceleration of Dynamic Ice Loss in Antarctica From Satellite Gravimetry T. Diener et al. 10.3389/feart.2021.741789
- The long-term sea-level commitment from Antarctica A. Klose et al. 10.5194/tc-18-4463-2024
Latest update: 20 Nov 2024
Short summary
We provide a historical overview of changes in Denman Glacier's flow speed, structure and calving events since the 1960s. Based on these observations, we perform a series of numerical modelling experiments to determine the likely cause of Denman's acceleration since the 1970s. We show that grounding line retreat, ice shelf thinning and the detachment of Denman's ice tongue from a pinning point are the most likely causes of the observed acceleration.
We provide a historical overview of changes in Denman Glacier's flow speed, structure and...
