Articles | Volume 15, issue 2
The Cryosphere, 15, 927–949, 2021
https://doi.org/10.5194/tc-15-927-2021
The Cryosphere, 15, 927–949, 2021
https://doi.org/10.5194/tc-15-927-2021
Research article
24 Feb 2021
Research article | 24 Feb 2021

Inventory and changes of rock glacier creep speeds in Ile Alatau and Kungöy Ala-Too, northern Tien Shan, since the 1950s

Andreas Kääb et al.

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Cited articles

Altena, B. and Kääb, A.: Elevation change and improved velocity retrieval using orthorectified optical satellite data from different orbits, Remote Sens.-Basel, 9, 300, https://doi.org/10.3390/rs9030300, 2017. 
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Ambrosi, C., Strozzi, T., Scapozza, C., and Wegmuller, U.: Landslide hazard assessment in the Himalayas (Nepal and Bhutan) based on Earth-Observation data, Eng. Geol., 237, 217–228, https://doi.org/10.1016/j.enggeo.2018.02.020, 2018. 
Arenson, L. and Springman, S.: Triaxial constant stress and constant strain rate tests on ice-rich permafrost samples, Can. Geotech. J., 42, 412–430, https://doi.org/10.1139/t04-111, 2005a. 
Arenson, L. and Springman, S.: Mathematical descriptions for the behaviour of ice-rich frozen soils at temperatures close to 0 C, Can. Geotech. J., 42, 431–442, https://doi.org/10.1139/t04-109, 2005b. 
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Short summary
We present a map of rock glacier motion over parts of the northern Tien Shan and time series of surface speed for six of them over almost 70 years. This is by far the most detailed investigation of this kind available for central Asia. We detect a 2- to 4-fold increase in rock glacier motion between the 1950s and present, which we attribute to atmospheric warming. Relative to the shrinking glaciers in the region, this implies increased importance of periglacial sediment transport.