Articles | Volume 14, issue 3
https://doi.org/10.5194/tc-14-925-2020
© 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-14-925-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Mar 2020
Research article |
| 12 Mar 2020
| 12 Mar 2020
Strong changes in englacial temperatures despite insignificant changes in ice thickness at Dôme du Goûter glacier (Mont Blanc area)
Christian Vincent
CORRESPONDING AUTHOR
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Adrien Gilbert
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Bruno Jourdain
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Luc Piard
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Patrick Ginot
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Vladimir Mikhalenko
Institute of Geography, Russian Academy of Sciences, Moscow, Russia
Philippe Possenti
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Emmanuel Le Meur
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Olivier Laarman
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
Delphine Six
Univ. Grenoble Alpes, CNRS, IRD, Grenoble INP, IGE, 38000 Grenoble, France
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Cited
13 citations as recorded by crossref.
- Comparison of historical and recent accumulation rates on Abramov Glacier, Pamir Alay M. Kronenberg et al. 10.1017/jog.2020.103
- High-altitude glacier archives lost due to climate change-related melting C. Huber et al. 10.1038/s41561-023-01366-1
- Twentieth century temperature and snow cover changes in the French Alps J. Beaumet et al. 10.1007/s10113-021-01830-x
- Everest South Col Glacier did not thin during the period 1984–2017 F. Brun et al. 10.5194/tc-17-3251-2023
- Thermal regime of the Grigoriev ice cap and the Sary-Tor glacier in the inner Tien Shan, Kyrgyzstan L. Van Tricht & P. Huybrechts 10.5194/tc-16-4513-2022
- New glacier evidence for ice-free summits during the life of the Tyrolean Iceman P. Bohleber et al. 10.1038/s41598-020-77518-9
- Repeating Low Frequency Icequakes in the Mont‐Blanc Massif Triggered by Snowfalls A. Helmstetter 10.1029/2022JF006837
- Firn changes at Colle Gnifetti revealed with a high-resolution process-based physical model approach E. Mattea et al. 10.5194/tc-15-3181-2021
- Glacier Surface Heatwaves Over the Tibetan Plateau W. Chen et al. 10.1029/2022GL101115
- Ice aprons on steep high-alpine slopes: insights from the Mont-Blanc massif, Western Alps L. Ravanel et al. 10.1017/jog.2023.15
- Impact of subsurface crevassing on the depth–age relationship of high-Alpine ice cores extracted at Col du Dôme between 1994 and 2012 S. Preunkert et al. 10.5194/tc-18-2177-2024
- A method to estimate surface mass-balance in glacier accumulation areas based on digital elevation models and submergence velocities B. Jourdain et al. 10.1017/jog.2023.29
- Contemporary mass balance on a cold Eastern Alpine ice cap as a potential link to the Holocene climate A. Fischer et al. 10.1038/s41598-021-04699-2
13 citations as recorded by crossref.
- Comparison of historical and recent accumulation rates on Abramov Glacier, Pamir Alay M. Kronenberg et al. 10.1017/jog.2020.103
- High-altitude glacier archives lost due to climate change-related melting C. Huber et al. 10.1038/s41561-023-01366-1
- Twentieth century temperature and snow cover changes in the French Alps J. Beaumet et al. 10.1007/s10113-021-01830-x
- Everest South Col Glacier did not thin during the period 1984–2017 F. Brun et al. 10.5194/tc-17-3251-2023
- Thermal regime of the Grigoriev ice cap and the Sary-Tor glacier in the inner Tien Shan, Kyrgyzstan L. Van Tricht & P. Huybrechts 10.5194/tc-16-4513-2022
- New glacier evidence for ice-free summits during the life of the Tyrolean Iceman P. Bohleber et al. 10.1038/s41598-020-77518-9
- Repeating Low Frequency Icequakes in the Mont‐Blanc Massif Triggered by Snowfalls A. Helmstetter 10.1029/2022JF006837
- Firn changes at Colle Gnifetti revealed with a high-resolution process-based physical model approach E. Mattea et al. 10.5194/tc-15-3181-2021
- Glacier Surface Heatwaves Over the Tibetan Plateau W. Chen et al. 10.1029/2022GL101115
- Ice aprons on steep high-alpine slopes: insights from the Mont-Blanc massif, Western Alps L. Ravanel et al. 10.1017/jog.2023.15
- Impact of subsurface crevassing on the depth–age relationship of high-Alpine ice cores extracted at Col du Dôme between 1994 and 2012 S. Preunkert et al. 10.5194/tc-18-2177-2024
- A method to estimate surface mass-balance in glacier accumulation areas based on digital elevation models and submergence velocities B. Jourdain et al. 10.1017/jog.2023.29
- Contemporary mass balance on a cold Eastern Alpine ice cap as a potential link to the Holocene climate A. Fischer et al. 10.1038/s41598-021-04699-2
Latest update: 26 Jul 2024
Short summary
We observed very low glacier thickness changes over the last decades at very-high-elevation glaciated areas on Mont Blanc. Conversely, measurements performed in deep boreholes since 1994 reveal strong changes in englacial temperature reaching 1.5 °C at a depth of 50 m. We conclude that at such very high elevations, current changes in climate do not lead to visible changes in glacier thickness but cause invisible changes within the glacier in terms of englacial temperatures.
We observed very low glacier thickness changes over the last decades at very-high-elevation...
