Articles | Volume 15, issue 12
The Cryosphere, 15, 5345–5369, 2021
https://doi.org/10.5194/tc-15-5345-2021
The Cryosphere, 15, 5345–5369, 2021
https://doi.org/10.5194/tc-15-5345-2021
Research article
06 Dec 2021
Research article | 06 Dec 2021

Multi-decadal (1953–2017) rock glacier kinematics analysed by high-resolution topographic data in the upper Kaunertal, Austria

Fabian Fleischer et al.

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Cited articles

Altmann, M., Piermattei, L., Haas, F., Heckmann, T., Fleischer, F., Rom, J., Betz-Nutz, S., Knoflach, B., Müller, S., Ramskogler, K., Pfeiffer, M., Hofmeister, F., Ressl, C., and Becht, M.: Long-Term Changes of Morphodynamics on Little Ice Age Lateral Moraines and the Resulting Sediment Transfer into Mountain Streams in the Upper Kauner Valley, Austria, Water, 12, 3375, https://doi.org/10.3390/w12123375, 2020. 
Anderson, S. W.: Uncertainty in quantitative analyses of topographic change: error propagation and the role of thresholding, Earth Surf. Proc. Land., 44, 1015–1033, https://doi.org/10.1002/esp.4551, 2019. 
Arenson, L., Hoelzle, M., and Springman, S.: Borehole deformation measurements and internal structure of some rock glaciers in Switzerland, Permafrost Periglac., 13, 117–135, https://doi.org/10.1002/ppp.414, 2002. 
Bakker, M. and Lane, S. N.: Archival photogrammetric analysis of river-floodplain systems using Structure from Motion (SfM) methods, Earth Surf. Proc. Land., 42, 1274–1286, https://doi.org/10.1002/esp.4085, 2017. 
Barsch, D.: Rockglaciers: Indicators for the Present and Former Geoecology in High Mountain Environments, Springer Series in Physical Environment, 16, Springer Berlin Heidelberg, Berlin, Heidelberg, 331 pp., 1996. 
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We investigate the long-term (1953–2017) morphodynamic changes in rock glaciers in Kaunertal valley, Austria. Using a combination of historical aerial photographs and laser scanning data, we derive information on flow velocities and surface elevation changes. We observe a loss of volume and an acceleration from the late 1990s onwards. We explain this by changes in the meteorological forcing. Individual rock glaciers react to these changes to varying degrees.