Articles | Volume 14, issue 4
https://doi.org/10.5194/tc-14-1173-2020
© 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-14-1173-2020
© 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 Apr 2020
Research article |
| 06 Apr 2020
| 06 Apr 2020
Permafrost distribution and conditions at the headwalls of two receding glaciers (Schladming and Hallstatt glaciers) in the Dachstein Massif, Northern Calcareous Alps, Austria
Matthias Rode
Working Group on Alpine
Landscape Dynamics (ALADYN), Institute of Geography and Regional Science, University of Graz, Graz, Austria
Oliver Sass
Working Group on Geomorphology, Institute of Geography, University of
Bayreuth, Bayreuth, Germany
Andreas Kellerer-Pirklbauer
CORRESPONDING AUTHOR
Working Group on Alpine
Landscape Dynamics (ALADYN), Institute of Geography and Regional Science, University of Graz, Graz, Austria
Harald Schnepfleitner
Working Group on Alpine
Landscape Dynamics (ALADYN), Institute of Geography and Regional Science, University of Graz, Graz, Austria
Christoph Gitschthaler
Working Group on Alpine
Landscape Dynamics (ALADYN), Institute of Geography and Regional Science, University of Graz, Graz, Austria
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Andreas Kellerer-Pirklbauer, Michael Avian, Douglas I. Benn, Felix Bernsteiner, Philipp Krisch, and Christian Ziesler
The Cryosphere, 15, 1237–1258, https://doi.org/10.5194/tc-15-1237-2021, https://doi.org/10.5194/tc-15-1237-2021, 2021
Short summary
Short summary
Present climate warming leads to glacier recession and formation of lakes. We studied the nature and rate of lake evolution in the period 1998–2019 at Pasterze Glacier, Austria. We detected for instance several large-scale and rapidly occurring ice-breakup events from below the water level. This process, previously not reported from the European Alps, might play an important role at alpine glaciers in the future as many glaciers are expected to recede into valley basins allowing lake formation.
Related subject area
Discipline: Frozen ground | Subject: Geomorphology
A climate-driven, altitudinal transition in rock glacier dynamics detected through integration of geomorphological mapping and synthetic aperture radar interferometry (InSAR)-based kinematics
Discriminating viscous-creep features (rock glaciers) in mountain permafrost from debris-covered glaciers – a commented test at the Gruben and Yerba Loca sites, Swiss Alps and Chilean Andes
The cryostratigraphy of thermo-erosion gullies in the Canadian High Arctic demonstrates the resilience of permafrost
Review article: Retrogressive thaw slump theory and terminology
Assessment of rock glaciers and their water storage in Guokalariju, Tibetan Plateau
Identifying mountain permafrost degradation by repeating historical electrical resistivity tomography (ERT) measurements
Permafrost degradation at two monitored palsa mires in north-west Finland
Contrasted geomorphological and limnological properties of thermokarst lakes formed in buried glacier ice and ice-wedge polygon terrain
Recent degradation of interior Alaska permafrost mapped with ground surveys, geophysics, deep drilling, and repeat airborne lidar
Thaw-driven mass wasting couples slopes with downstream systems, and effects propagate through Arctic drainage networks
Ice content and interannual water storage changes of an active rock glacier in the dry Andes of Argentina
Insights into a remote cryosphere: a multi-method approach to assess permafrost occurrence at the Qugaqie basin, western Nyainqêntanglha Range, Tibetan Plateau
Rock glacier characteristics serve as an indirect record of multiple alpine glacier advances in Taylor Valley, Antarctica
Evaluating the destabilization susceptibility of active rock glaciers in the French Alps
Aldo Bertone, Nina Jones, Volkmar Mair, Riccardo Scotti, Tazio Strozzi, and Francesco Brardinoni
The Cryosphere, 18, 2335–2356, https://doi.org/10.5194/tc-18-2335-2024, https://doi.org/10.5194/tc-18-2335-2024, 2024
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Traditional inventories display high uncertainty in discriminating between intact (permafrost-bearing) and relict (devoid) rock glaciers (RGs). Integration of InSAR-based kinematics in South Tyrol affords uncertainty reduction and depicts a broad elevation belt of relict–intact coexistence. RG velocity and moving area (MA) cover increase linearly with elevation up to an inflection at 2600–2800 m a.s.l., which we regard as a signature of sporadic-to-discontinuous permafrost transition.
Wilfried Haeberli, Lukas U. Arenson, Julie Wee, Christian Hauck, and Nico Mölg
The Cryosphere, 18, 1669–1683, https://doi.org/10.5194/tc-18-1669-2024, https://doi.org/10.5194/tc-18-1669-2024, 2024
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Rock glaciers in ice-rich permafrost can be discriminated from debris-covered glaciers. The key physical phenomenon relates to the tight mechanical coupling between the moving frozen body at depth and the surface layer of debris in the case of rock glaciers, as opposed to the virtually inexistent coupling in the case of surface ice with a debris cover. Contact zones of surface ice with subsurface ice in permafrost constitute diffuse landforms beyond either–or-type landform classification.
Samuel Gagnon, Daniel Fortier, Etienne Godin, and Audrey Veillette
EGUsphere, https://doi.org/10.5194/egusphere-2024-208, https://doi.org/10.5194/egusphere-2024-208, 2024
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Thermo-erosion gullies (TEGs) are one of the most common forms of abrupt permafrost degradation. While their inception has been examined in several studies, the processes of their stabilization remain poorly documented. For this study, we investigated the impacts of two TEGs in the Canadian High Arctic. We found that while the formation of a TEG leaves permanent scars in landscapes, on the long term, permafrost can recover to conditions similar to those pre-dating the initial disturbance.
Nina Nesterova, Marina Leibman, Alexander Kizyakov, Hugues Lantuit, Ilya Tarasevich, Ingmar Nitze, Alexandra Veremeeva, and Guido Grosse
EGUsphere, https://doi.org/10.5194/egusphere-2023-2914, https://doi.org/10.5194/egusphere-2023-2914, 2024
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Retrogressive thaw slumps (RTSs) are widespread in the Arctic permafrost landforms. RTSs present a big interest for researchers because of their expansion due to climate change. There are currently different scientific schools and terminology used in the literature on this topic. We have critically reviewed existing concepts and terminology and provided clarifications to present a useful base for experts in the field and ease the introduction to the topic for scientists who are new to it.
Mengzhen Li, Yanmin Yang, Zhaoyu Peng, and Gengnian Liu
The Cryosphere, 18, 1–16, https://doi.org/10.5194/tc-18-1-2024, https://doi.org/10.5194/tc-18-1-2024, 2024
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We map a detailed rock glaciers inventory to further explore the regional distribution controlling factors, water storage, and permafrost probability distribution in Guokalariju. Results show that (i) the distribution of rock glaciers is controlled by the complex composition of topo-climate factors, increases in precipitation are conducive to rock glaciers forming at lower altitudes, and (ii) 1.32–3.60 km3 of water is stored in the rock glaciers, or ~ 59 % of the water glaciers presently store.
Johannes Buckel, Jan Mudler, Rainer Gardeweg, Christian Hauck, Christin Hilbich, Regula Frauenfelder, Christof Kneisel, Sebastian Buchelt, Jan Henrik Blöthe, Andreas Hördt, and Matthias Bücker
The Cryosphere, 17, 2919–2940, https://doi.org/10.5194/tc-17-2919-2023, https://doi.org/10.5194/tc-17-2919-2023, 2023
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This study reveals permafrost degradation by repeating old geophysical measurements at three Alpine sites. The compared data indicate that ice-poor permafrost is highly affected by temperature warming. The melting of ice-rich permafrost could not be identified. However, complex geomorphic processes are responsible for this rather than external temperature change. We suspect permafrost degradation here as well. In addition, we introduce a new current injection method for data acquisition.
Mariana Verdonen, Alexander Störmer, Eliisa Lotsari, Pasi Korpelainen, Benjamin Burkhard, Alfred Colpaert, and Timo Kumpula
The Cryosphere, 17, 1803–1819, https://doi.org/10.5194/tc-17-1803-2023, https://doi.org/10.5194/tc-17-1803-2023, 2023
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The study revealed a stable and even decreasing thickness of thaw depth in peat mounds with perennially frozen cores, despite overall rapid permafrost degradation within 14 years. This means that measuring the thickness of the thawed layer – a commonly used method – is alone insufficient to assess the permafrost conditions in subarctic peatlands. The study showed that climate change is the main driver of these permafrost features’ decay, but its effect depends on the peatland’s local conditions.
Stéphanie Coulombe, Daniel Fortier, Frédéric Bouchard, Michel Paquette, Simon Charbonneau, Denis Lacelle, Isabelle Laurion, and Reinhard Pienitz
The Cryosphere, 16, 2837–2857, https://doi.org/10.5194/tc-16-2837-2022, https://doi.org/10.5194/tc-16-2837-2022, 2022
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Buried glacier ice is widespread in Arctic regions that were once covered by glaciers and ice sheets. In this study, we investigated the influence of buried glacier ice on the formation of Arctic tundra lakes on Bylot Island, Nunavut. Our results suggest that initiation of deeper lakes was triggered by the melting of buried glacier ice. Given future climate projections, the melting of glacier ice permafrost could create new aquatic ecosystems and strongly modify existing ones.
Thomas A. Douglas, Christopher A. Hiemstra, John E. Anderson, Robyn A. Barbato, Kevin L. Bjella, Elias J. Deeb, Arthur B. Gelvin, Patricia E. Nelsen, Stephen D. Newman, Stephanie P. Saari, and Anna M. Wagner
The Cryosphere, 15, 3555–3575, https://doi.org/10.5194/tc-15-3555-2021, https://doi.org/10.5194/tc-15-3555-2021, 2021
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Permafrost is actively degrading across high latitudes due to climate warming. We combined thousands of end-of-summer active layer measurements, permafrost temperatures, geophysical surveys, deep borehole drilling, and repeat airborne lidar to quantify permafrost warming and thawing at sites across central Alaska. We calculate the mass of permafrost soil carbon potentially exposed to thaw over the past 7 years (0.44 Pg) is similar to the yearly carbon dioxide emissions of Australia.
Steven V. Kokelj, Justin Kokoszka, Jurjen van der Sluijs, Ashley C. A. Rudy, Jon Tunnicliffe, Sarah Shakil, Suzanne E. Tank, and Scott Zolkos
The Cryosphere, 15, 3059–3081, https://doi.org/10.5194/tc-15-3059-2021, https://doi.org/10.5194/tc-15-3059-2021, 2021
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Climate-driven landslides are transforming glacially conditioned permafrost terrain, coupling slopes with aquatic systems, and triggering a cascade of downstream effects. Nonlinear intensification of thawing slopes is primarily affecting headwater systems where slope sediment yields overwhelm stream transport capacity. The propagation of effects across watershed scales indicates that western Arctic Canada will be an interconnected hotspot of thaw-driven change through the coming millennia.
Christian Halla, Jan Henrik Blöthe, Carla Tapia Baldis, Dario Trombotto Liaudat, Christin Hilbich, Christian Hauck, and Lothar Schrott
The Cryosphere, 15, 1187–1213, https://doi.org/10.5194/tc-15-1187-2021, https://doi.org/10.5194/tc-15-1187-2021, 2021
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In the semi-arid to arid Andes of Argentina, rock glaciers contain invisible and unknown amounts of ground ice that could become more important in future for the water availability during the dry season. The study shows that the investigated rock glacier represents an important long-term ice reservoir in the dry mountain catchment and that interannual changes of ground ice can store and release significant amounts of annual precipitation.
Johannes Buckel, Eike Reinosch, Andreas Hördt, Fan Zhang, Björn Riedel, Markus Gerke, Antje Schwalb, and Roland Mäusbacher
The Cryosphere, 15, 149–168, https://doi.org/10.5194/tc-15-149-2021, https://doi.org/10.5194/tc-15-149-2021, 2021
Short summary
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This study presents insights into the remote cryosphere of a mountain range at the Tibetan Plateau. Small-scaled studies and field data about permafrost occurrence are very scarce. A multi-method approach (geomorphological mapping, geophysics, InSAR time series analysis) assesses the lower occurrence of permafrost the range of 5350 and 5500 m above sea level (a.s.l.) in the Qugaqie basin. The highest, multiannual creeping rates up to 150 mm/yr are observed on rock glaciers.
Kelsey Winsor, Kate M. Swanger, Esther Babcock, Rachel D. Valletta, and James L. Dickson
The Cryosphere, 14, 1–16, https://doi.org/10.5194/tc-14-1-2020, https://doi.org/10.5194/tc-14-1-2020, 2020
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We studied an ice-cored rock glacier in Taylor Valley, Antarctica, coupling ground-penetrating radar analyses with stable isotope and major ion geochemistry of (a) surface ponds and (b) buried clean ice. These analyses indicate that the rock glacier ice is fed by a nearby alpine glacier, recording multiple Holocene to late Pleistocene glacial advances. We demonstrate the potential to use rock glaciers and buried ice, common throughout Antarctica, to map previous glacial extents.
Marco Marcer, Charlie Serrano, Alexander Brenning, Xavier Bodin, Jason Goetz, and Philippe Schoeneich
The Cryosphere, 13, 141–155, https://doi.org/10.5194/tc-13-141-2019, https://doi.org/10.5194/tc-13-141-2019, 2019
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This study aims to assess the occurrence of rock glacier destabilization in the French Alps, a process that causes a landslide-like behaviour of permafrost debris slopes. A significant number of the landforms in the region were found to be experiencing destabilization. Multivariate analysis suggested a link between destabilization occurrence and permafrost thaw induced by climate warming. These results call for a regional characterization of permafrost hazards in the context of climate change.
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