Articles | Volume 12, issue 8
https://doi.org/10.5194/tc-12-2759-2018
© Author(s) 2018. 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-12-2759-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
27 Aug 2018
Research article |
| 27 Aug 2018
| 27 Aug 2018
Modelled subglacial floods and tunnel valleys control the life cycle of transitory ice streams
Thomas Lelandais
CORRESPONDING AUTHOR
Laboratoire de Planétologie et Géodynamique, UMR 6112,
CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Le Mans CEDEX
9, France
Édouard Ravier
Laboratoire de Planétologie et Géodynamique, UMR 6112,
CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Le Mans CEDEX
9, France
Stéphane Pochat
Laboratoire de Planétologie et Géodynamique, UMR 6112, CNRS, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322 Nantes CEDEX 3, France
Olivier Bourgeois
Laboratoire de Planétologie et Géodynamique, UMR 6112, CNRS, Université de Nantes, 2 rue de la Houssinière, BP 92208, 44322 Nantes CEDEX 3, France
Christopher Clark
Department of Geography, University of Sheffield, Sheffield, UK
Régis Mourgues
Laboratoire de Planétologie et Géodynamique, UMR 6112,
CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Le Mans CEDEX
9, France
Pierre Strzerzynski
Laboratoire de Planétologie et Géodynamique, UMR 6112,
CNRS, Le Mans Université, Avenue Olivier Messiaen, 72085 Le Mans CEDEX
9, France
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Cited
20 citations as recorded by crossref.
- Groundwater Flow Under a Paleo‐Ice Stream of the Scandinavian Ice Sheet and Its Implications for the Formation of Stargard Drumlin Field, NW Poland P. Hermanowski & J. Piotrowski 10.1029/2018JF004939
- Morphological evidence for marine ice stream shutdown, central Barents Sea B. Kurjanski et al. 10.1016/j.margeo.2019.05.001
- Comparison of overdeepened structures in formerly glaciated areas of the northern Alpine foreland and northern central Europe L. Gegg & F. Preusser 10.5194/egqsj-72-23-2023
- Origin of glacial curvilineations by subglacial meltwater erosion: Evidence from the Stargard drumlin field, Poland P. Hermanowski & J. Piotrowski 10.1002/esp.5485
- Melting and Refreezing in an Ice Shelf Basal Channel at the Grounding Line of the Kamb Ice Stream, West Antarctica A. Whiteford et al. 10.1029/2021JF006532
- Formation and widening of a North Sea tunnel valley - The impact of slope processes on valley morphology L. Prins et al. 10.1016/j.geomorph.2020.107347
- The infill of tunnel valleys in the central North Sea: Implications for sedimentary processes, geohazards, and ice-sheet dynamics J. Kirkham et al. 10.1016/j.margeo.2023.107185
- Sedimentary architecture and glacial hydrodynamic significance of the stratified Oak Ridges Moraine, southern Ontario, Canada D. Sharpe & H. Russell 10.1111/bor.12612
- Converging ice streams: an unreasonable hypothesis for deposition of the Oak Ridges Moraine, southern Ontario D. Sharpe & H. Russell 10.1139/cjes-2019-0021
- Subglacial Water Flow Over an Antarctic Palaeo‐Ice Stream Bed K. Hogan et al. 10.1029/2021JF006442
- Regional stagnation of the western Keewatin ice sheet and the significance of meltwater corridors and eskers, northern Canada D. Sharpe et al. 10.1139/cjes-2020-0136
- Tunnel valley formation beneath deglaciating mid-latitude ice sheets: Observations and modelling J. Kirkham et al. 10.1016/j.quascirev.2022.107680
- Distinct modes of meltwater drainage and landform development beneath the last Barents Sea ice sheet C. Shackleton et al. 10.3389/feart.2023.1111396
- Formation of Murtoos by Repeated Flooding of Ribbed Bedforms Along Subglacial Meltwater Corridors J. Vérité et al. 10.2139/ssrn.3978870
- Formation of murtoos by repeated flooding of ribbed bedforms along subglacial meltwater corridors J. Vérité et al. 10.1016/j.geomorph.2022.108248
- Formation of ribbed bedforms below shear margins and lobes of palaeo-ice streams J. Vérité et al. 10.5194/tc-15-2889-2021
- Analysis of drainage efficiency under extreme precipitation events based on numerical simulation H. Wang et al. 10.1002/hyp.14624
- Glacial geomorphology of the Neutral Hills Uplands, southeast Alberta, Canada: The process-form imprints of dynamic ice streams and surging ice lobes D. Evans et al. 10.1016/j.geomorph.2019.106910
- A model for interaction between conduits and surrounding hydraulically connected distributed drainage based on geomorphological evidence from Keewatin, Canada E. Lewington et al. 10.5194/tc-14-2949-2020
- Variations in hydraulic efficiency of the subglacial drainage landsystem control surging and streaming regimes of outlet glaciers É. Ravier et al. 10.1017/jog.2022.107
20 citations as recorded by crossref.
- Groundwater Flow Under a Paleo‐Ice Stream of the Scandinavian Ice Sheet and Its Implications for the Formation of Stargard Drumlin Field, NW Poland P. Hermanowski & J. Piotrowski 10.1029/2018JF004939
- Morphological evidence for marine ice stream shutdown, central Barents Sea B. Kurjanski et al. 10.1016/j.margeo.2019.05.001
- Comparison of overdeepened structures in formerly glaciated areas of the northern Alpine foreland and northern central Europe L. Gegg & F. Preusser 10.5194/egqsj-72-23-2023
- Origin of glacial curvilineations by subglacial meltwater erosion: Evidence from the Stargard drumlin field, Poland P. Hermanowski & J. Piotrowski 10.1002/esp.5485
- Melting and Refreezing in an Ice Shelf Basal Channel at the Grounding Line of the Kamb Ice Stream, West Antarctica A. Whiteford et al. 10.1029/2021JF006532
- Formation and widening of a North Sea tunnel valley - The impact of slope processes on valley morphology L. Prins et al. 10.1016/j.geomorph.2020.107347
- The infill of tunnel valleys in the central North Sea: Implications for sedimentary processes, geohazards, and ice-sheet dynamics J. Kirkham et al. 10.1016/j.margeo.2023.107185
- Sedimentary architecture and glacial hydrodynamic significance of the stratified Oak Ridges Moraine, southern Ontario, Canada D. Sharpe & H. Russell 10.1111/bor.12612
- Converging ice streams: an unreasonable hypothesis for deposition of the Oak Ridges Moraine, southern Ontario D. Sharpe & H. Russell 10.1139/cjes-2019-0021
- Subglacial Water Flow Over an Antarctic Palaeo‐Ice Stream Bed K. Hogan et al. 10.1029/2021JF006442
- Regional stagnation of the western Keewatin ice sheet and the significance of meltwater corridors and eskers, northern Canada D. Sharpe et al. 10.1139/cjes-2020-0136
- Tunnel valley formation beneath deglaciating mid-latitude ice sheets: Observations and modelling J. Kirkham et al. 10.1016/j.quascirev.2022.107680
- Distinct modes of meltwater drainage and landform development beneath the last Barents Sea ice sheet C. Shackleton et al. 10.3389/feart.2023.1111396
- Formation of Murtoos by Repeated Flooding of Ribbed Bedforms Along Subglacial Meltwater Corridors J. Vérité et al. 10.2139/ssrn.3978870
- Formation of murtoos by repeated flooding of ribbed bedforms along subglacial meltwater corridors J. Vérité et al. 10.1016/j.geomorph.2022.108248
- Formation of ribbed bedforms below shear margins and lobes of palaeo-ice streams J. Vérité et al. 10.5194/tc-15-2889-2021
- Analysis of drainage efficiency under extreme precipitation events based on numerical simulation H. Wang et al. 10.1002/hyp.14624
- Glacial geomorphology of the Neutral Hills Uplands, southeast Alberta, Canada: The process-form imprints of dynamic ice streams and surging ice lobes D. Evans et al. 10.1016/j.geomorph.2019.106910
- A model for interaction between conduits and surrounding hydraulically connected distributed drainage based on geomorphological evidence from Keewatin, Canada E. Lewington et al. 10.5194/tc-14-2949-2020
- Variations in hydraulic efficiency of the subglacial drainage landsystem control surging and streaming regimes of outlet glaciers É. Ravier et al. 10.1017/jog.2022.107
Discussed (final revised paper)
Latest update: 24 Apr 2024
Short summary
Scattered observations suggest that subglacial meltwater routes drive ice stream dynamics and ice sheet stability. We use a new experimental approach to reconcile such observations into a coherent story connecting ice stream life cycles with subglacial hydrology and bed erosion. Results demonstrate that subglacial flooding, drainage reorganization, and valley development can control an ice stream lifespan, thus opening new perspectives on subglacial processes controlling ice sheet instabilities.
Scattered observations suggest that subglacial meltwater routes drive ice stream dynamics and...
