Articles | Volume 14, issue 3
https://doi.org/10.5194/tc-14-841-2020
© 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-14-841-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
06 Mar 2020
Research article |
| 06 Mar 2020
| 06 Mar 2020
Exceptionally high heat flux needed to sustain the Northeast Greenland Ice Stream
Department of Earth Science, University of Bergen, Bjerknes Centre for Climate Research, Bergen, Norway
Basile de Fleurian
Department of Earth Science, University of Bergen, Bjerknes Centre for Climate Research, Bergen, Norway
Nicole Schlegel
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA
Helene Seroussi
Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, USA
Kerim Nisancioglu
Department of Earth Science, University of Bergen, Bjerknes Centre for Climate Research, Bergen, Norway
Centre for Earth Evolution and Dynamics, University of Oslo, Oslo, Norway
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Cited
28 citations as recorded by crossref.
- Formation of murtoos by repeated flooding of ribbed bedforms along subglacial meltwater corridors J. Vérité et al.
- Shear margins in upper half of Northeast Greenland Ice Stream were established two millennia ago D. Jansen et al.
- Holocene thinning in central Greenland controlled by the Northeast Greenland Ice Stream I. Tabone et al.
- Formation of mega-scale glacial lineations far inland beneath the onset of the Northeast Greenland Ice Stream C. Carter et al.
- The Greenland-Ice-Sheet evolution over the last 24 000 years: insights from model simulations evaluated against ice-extent markers T. Leger et al.
- Three-dimensional topology dataset of folded radar stratigraphy in northern Greenland S. Franke et al.
- Comment on “Exceptionally high heat flux needed to sustain the Northeast Greenland Ice Stream” by Smith-Johnsen et al. (2020) P. Bons et al.
- Upstream flow effects revealed in the EastGRIP ice core using Monte Carlo inversion of a two-dimensional ice-flow model T. Gerber et al.
- Indication of high basal melting at the EastGRIP drill site on the Northeast Greenland Ice Stream O. Zeising & A. Humbert
- Elastic deformation plays a non-negligible role in Greenland’s outlet glacier flow J. Christmann et al.
- Geothermal heat source estimations through ice flow modelling at Mýrdalsjökull, Iceland A. Jarosch et al.
- Improved Ice Velocity Measurements with Sentinel-1 TOPS Interferometry J. Andersen et al.
- Migration of the Shear Margins at Thwaites Glacier: Dependence on Basal Conditions and Testability Against Field Data P. Summers et al.
- Review article: 30 years of airborne radar surveys on the Antarctic and Greenland ice sheets by the Alfred Wegener Institute S. Franke et al.
- Simulating meltwater oxygen isotopes as a proxy for assessing geothermal heat flow in Greenland J. Gradl et al.
- Inferred basal friction and mass flux affected by crystal-orientation fabrics N. Rathmann & D. Lilien
- Statistical appraisal of geothermal heat flow observations in the Arctic J. Freienstein et al.
- Evaluating different geothermal heat-flow maps as basal boundary conditions during spin-up of the Greenland ice sheet T. Zhang et al.
- Greenland Geothermal Heat Flow Database and Map (Version 1) W. Colgan et al.
- Satellite Magnetics Suggest a Complex Geothermal Heat Flux Pattern beneath the Greenland Ice Sheet M. Kolster et al.
- Episodic Subglacial Drainage Cascades Below the Northeast Greenland Ice Stream J. Andersen et al.
- Uppermost crustal structure regulates the flow of the Greenland Ice Sheet G. Jones et al.
- Importance of solid earth structure for understanding the evolution of the Greenland ice sheet J. Ebbing et al.
- Geothermal Heat Flow and Thermal Structure of the Antarctic Lithosphere C. Haeger et al.
- Accelerating ice flow at the onset of the Northeast Greenland Ice Stream A. Grinsted et al.
- Holocene ice-stream shutdown and drainage basin reconfiguration in northeast Greenland S. Franke et al.
- Formation of Murtoos by Repeated Flooding of Ribbed Bedforms Along Subglacial Meltwater Corridors J. Vérité et al.
- Impact of boundary conditions on the modeled thermal regime of the Antarctic ice sheet I. Park et al.
28 citations as recorded by crossref.
- Formation of murtoos by repeated flooding of ribbed bedforms along subglacial meltwater corridors J. Vérité et al.
- Shear margins in upper half of Northeast Greenland Ice Stream were established two millennia ago D. Jansen et al.
- Holocene thinning in central Greenland controlled by the Northeast Greenland Ice Stream I. Tabone et al.
- Formation of mega-scale glacial lineations far inland beneath the onset of the Northeast Greenland Ice Stream C. Carter et al.
- The Greenland-Ice-Sheet evolution over the last 24 000 years: insights from model simulations evaluated against ice-extent markers T. Leger et al.
- Three-dimensional topology dataset of folded radar stratigraphy in northern Greenland S. Franke et al.
- Comment on “Exceptionally high heat flux needed to sustain the Northeast Greenland Ice Stream” by Smith-Johnsen et al. (2020) P. Bons et al.
- Upstream flow effects revealed in the EastGRIP ice core using Monte Carlo inversion of a two-dimensional ice-flow model T. Gerber et al.
- Indication of high basal melting at the EastGRIP drill site on the Northeast Greenland Ice Stream O. Zeising & A. Humbert
- Elastic deformation plays a non-negligible role in Greenland’s outlet glacier flow J. Christmann et al.
- Geothermal heat source estimations through ice flow modelling at Mýrdalsjökull, Iceland A. Jarosch et al.
- Improved Ice Velocity Measurements with Sentinel-1 TOPS Interferometry J. Andersen et al.
- Migration of the Shear Margins at Thwaites Glacier: Dependence on Basal Conditions and Testability Against Field Data P. Summers et al.
- Review article: 30 years of airborne radar surveys on the Antarctic and Greenland ice sheets by the Alfred Wegener Institute S. Franke et al.
- Simulating meltwater oxygen isotopes as a proxy for assessing geothermal heat flow in Greenland J. Gradl et al.
- Inferred basal friction and mass flux affected by crystal-orientation fabrics N. Rathmann & D. Lilien
- Statistical appraisal of geothermal heat flow observations in the Arctic J. Freienstein et al.
- Evaluating different geothermal heat-flow maps as basal boundary conditions during spin-up of the Greenland ice sheet T. Zhang et al.
- Greenland Geothermal Heat Flow Database and Map (Version 1) W. Colgan et al.
- Satellite Magnetics Suggest a Complex Geothermal Heat Flux Pattern beneath the Greenland Ice Sheet M. Kolster et al.
- Episodic Subglacial Drainage Cascades Below the Northeast Greenland Ice Stream J. Andersen et al.
- Uppermost crustal structure regulates the flow of the Greenland Ice Sheet G. Jones et al.
- Importance of solid earth structure for understanding the evolution of the Greenland ice sheet J. Ebbing et al.
- Geothermal Heat Flow and Thermal Structure of the Antarctic Lithosphere C. Haeger et al.
- Accelerating ice flow at the onset of the Northeast Greenland Ice Stream A. Grinsted et al.
- Holocene ice-stream shutdown and drainage basin reconfiguration in northeast Greenland S. Franke et al.
- Formation of Murtoos by Repeated Flooding of Ribbed Bedforms Along Subglacial Meltwater Corridors J. Vérité et al.
- Impact of boundary conditions on the modeled thermal regime of the Antarctic ice sheet I. Park et al.
Saved (final revised paper)
Latest update: 18 May 2026
Short summary
The Northeast Greenland Ice Stream (NEGIS) drains a large part of Greenland and displays fast flow far inland. However, the flow pattern is not well represented in ice sheet models. The fast flow has been explained by abnormally high geothermal heat flux. The heat melts the base of the ice sheet and the water produced may lubricate the bed and induce fast flow. By including high geothermal heat flux and a hydrology model, we successfully reproduce NEGIS flow pattern in an ice sheet model.
The Northeast Greenland Ice Stream (NEGIS) drains a large part of Greenland and displays fast...
