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The Cryosphere An interactive open-access journal of the European Geosciences Union
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TC | Volume 13, issue 3
The Cryosphere, 13, 997–1004, 2019
https://doi.org/10.5194/tc-13-997-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
The Cryosphere, 13, 997–1004, 2019
https://doi.org/10.5194/tc-13-997-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Brief communication 26 Mar 2019

Brief communication | 26 Mar 2019

Brief communication: Collapse of 4 Mm3 of ice from a cirque glacier in the Central Andes of Argentina

Daniel Falaschi et al.

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Cited articles

Alean, J.: Ice avalanches: some empirical information about their formation and reach, J. Glaciol., 31, 324–333, 1985. 
Azócar, G. F. and Brenning, A.: Hydrological and geomorphological significance of rock glaciers in the dry Andes, Chile (27–33 S), Permafrost Periglac., 2, 42–53, https://doi.org/10.1002/ppp.669, 2010. 
Brenning, A.: Geomorphological, Hydrological and Climatic Significance of Rock Glaciers in the Andes of Central Chile (33–35 S), Permafrost Periglac., 16, 231–240, https://doi.org/10.1002/ppp.528, 2005. 
Brenning, A. and Azócar, G. F.: Statistical analysis of topographic and climatic controls and multispectral signatures of rock glaciers in the dry Andes, Chile (27–33 S), Permafrost Periglac., 21, 54–66, https://doi.org/10.1002/ppp.670, 2010. 
Brenning, A. and Trombotto, D.: Logistic regression modeling of rock glacier and glacier distribution: Topographic and climatic controls in the semi-arid Andes, Geomorphology, 81, 141–154, https://doi.org/10.1016/j.geomorph.2006.04.003, 2006. 
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In March 2007, the Leñas Glacier in the Central Andes of Argentina collapsed and released an ice avalanche that travelled a distance of 2 km. We analysed aerial photos, satellite images and field evidence to investigate the evolution of the glacier from the 1950s through the present day. A clear potential trigger of the collapse could not be identified from available meteorological and seismic data, nor could a significant change in glacier geometry leading to glacier instability be detected.
In March 2007, the Leñas Glacier in the Central Andes of Argentina collapsed and released an...
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