Articles | Volume 16, issue 7
https://doi.org/10.5194/tc-16-3021-2022
© Author(s) 2022. 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-16-3021-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
08 Aug 2022
Research article |
| 08 Aug 2022
| 08 Aug 2022
Ongoing grounding line retreat and fracturing initiated at the Petermann Glacier ice shelf, Greenland, after 2016
Romain Millan
CORRESPONDING AUTHOR
Department of Geosciences and Natural Resources Management, University
of Copenhagen, 1350, Copenhagen, Denmark
Université Grenoble Alpes, CNRS, IRD, INP, 38400, Grenoble,
Isère, France
Invited contribution by Romain Millan, recipient of the EGU Cryospheric Sciences Division Outstanding Early Career Scientists Award 2022.
Jeremie Mouginot
Université Grenoble Alpes, CNRS, IRD, INP, 38400, Grenoble,
Isère, France
Department of Earth System Science, University of California, Irvine, CA
92697, USA
Anna Derkacheva
Université Grenoble Alpes, CNRS, IRD, INP, 38400, Grenoble,
Isère, France
Eric Rignot
Department of Earth System Science, University of California, Irvine, CA
92697, USA
Jet Propulsion Laboratory, Caltech, Pasadena, CA, USA
Pietro Milillo
Department of Civil and Environmental Engineering, University of Houston, Houston, TX, USA
Enrico Ciraci
Jet Propulsion Laboratory, Caltech, Pasadena, CA, USA
Luigi Dini
Italian Space Agency, Matera, Italy
Anders Bjørk
Department of Geosciences and Natural Resources Management, University
of Copenhagen, 1350, Copenhagen, Denmark
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Cited
11 citations as recorded by crossref.
- A Global Assessment of SAOCOM-1 L-Band Stripmap Data for InSAR Characterization of Volcanic, Tectonic, Cryospheric, and Anthropogenic Deformation F. Delgado et al. 10.1109/TGRS.2024.3423792
- Melt rates in the kilometer-size grounding zone of Petermann Glacier, Greenland, before and during a retreat E. Ciracì et al. 10.1073/pnas.2220924120
- Detection and characterization of discontinuous motion on Thompson Glacier, Canadian High Arctic, using synthetic aperture radar speckle tracking and ice-flow modeling G. Corti et al. 10.1017/jog.2023.67
- 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
- Simulating SAR constellations systems for rapid damage mapping in urban areas: Case study of the 2023 Turkey-Syria earthquake R. Vitale & P. Milillo 10.1016/j.jag.2024.104226
- Seasonal Acceleration of Petermann Glacier, Greenland, From Changes in Subglacial Hydrology S. Ehrenfeucht et al. 10.1029/2022GL098009
- Rapid Basal Channel Growth Beneath Greenland's Longest Floating Ice Shelf A. Narkevic et al. 10.1029/2023GL103226
- Modeling Ice Melt Rates From Seawater Intrusions in the Grounding Zone of Petermann Gletscher, Greenland R. Gadi et al. 10.1029/2023GL105869
- Rapid disintegration and weakening of ice shelves in North Greenland R. Millan et al. 10.1038/s41467-023-42198-2
- Grounding-line retreat of Milne Glacier, Ellesmere Island, Canada over 1966–2023 from satellite, airborne, and ground radar data Y. Antropova et al. 10.1016/j.rse.2024.114478
- Ongoing grounding line retreat and fracturing initiated at the Petermann Glacier ice shelf, Greenland, after 2016 R. Millan et al. 10.5194/tc-16-3021-2022
10 citations as recorded by crossref.
- A Global Assessment of SAOCOM-1 L-Band Stripmap Data for InSAR Characterization of Volcanic, Tectonic, Cryospheric, and Anthropogenic Deformation F. Delgado et al. 10.1109/TGRS.2024.3423792
- Melt rates in the kilometer-size grounding zone of Petermann Glacier, Greenland, before and during a retreat E. Ciracì et al. 10.1073/pnas.2220924120
- Detection and characterization of discontinuous motion on Thompson Glacier, Canadian High Arctic, using synthetic aperture radar speckle tracking and ice-flow modeling G. Corti et al. 10.1017/jog.2023.67
- 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
- Simulating SAR constellations systems for rapid damage mapping in urban areas: Case study of the 2023 Turkey-Syria earthquake R. Vitale & P. Milillo 10.1016/j.jag.2024.104226
- Seasonal Acceleration of Petermann Glacier, Greenland, From Changes in Subglacial Hydrology S. Ehrenfeucht et al. 10.1029/2022GL098009
- Rapid Basal Channel Growth Beneath Greenland's Longest Floating Ice Shelf A. Narkevic et al. 10.1029/2023GL103226
- Modeling Ice Melt Rates From Seawater Intrusions in the Grounding Zone of Petermann Gletscher, Greenland R. Gadi et al. 10.1029/2023GL105869
- Rapid disintegration and weakening of ice shelves in North Greenland R. Millan et al. 10.1038/s41467-023-42198-2
- Grounding-line retreat of Milne Glacier, Ellesmere Island, Canada over 1966–2023 from satellite, airborne, and ground radar data Y. Antropova et al. 10.1016/j.rse.2024.114478
Latest update: 20 Nov 2024
Short summary
We detect for the first time a dramatic retreat of the grounding line of Petermann Glacier, a major glacier of the Greenland Ice Sheet. Using satellite data, we also observe a speedup of the glacier and a fracturing of the ice shelf. This sequence of events is coherent with ocean warming in this region and suggests that Petermann Glacier has initiated a phase of destabilization, which is of prime importance for the stability and future contribution of the Greenland Ice Sheet to sea level rise.
We detect for the first time a dramatic retreat of the grounding line of Petermann Glacier, a...
