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


Falaschi, Daniel; Kääb, Andreas; Paul, Frank; Tadono, Takeo; Rivera, Juan Antonio; Lenzano, Luis Eduardo (2019). Brief communication: Collapse of 4 Mm³ of ice from a cirque glacier in the Central Andes of Argentina. The Cryosphere, 13(3):997-1004.

Abstract

Among glacier instabilities, collapses of large parts of low-angle glaciers are a striking, exceptional phenomenon. So far, merely the 2002 collapse of Kolka Glacier in the Caucasus Mountains and the 2016 twin detachments of the Aru glaciers in western Tibet have been well documented. Here we report on the previously unnoticed collapse of an unnamed cirque glacier in the Central Andes of Argentina in March 2007. Although of much smaller ice volume, this 4.2±0.6×106 m³ collapse in the Andes is similar to the Caucasus and Tibet ones in that the resulting ice avalanche travelled a total distance of ∼2 km over a surprisingly low angle of reach (∼5∘).

Abstract

Among glacier instabilities, collapses of large parts of low-angle glaciers are a striking, exceptional phenomenon. So far, merely the 2002 collapse of Kolka Glacier in the Caucasus Mountains and the 2016 twin detachments of the Aru glaciers in western Tibet have been well documented. Here we report on the previously unnoticed collapse of an unnamed cirque glacier in the Central Andes of Argentina in March 2007. Although of much smaller ice volume, this 4.2±0.6×106 m³ collapse in the Andes is similar to the Caucasus and Tibet ones in that the resulting ice avalanche travelled a total distance of ∼2 km over a surprisingly low angle of reach (∼5∘).

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Geography
Dewey Decimal Classification:910 Geography & travel
Uncontrolled Keywords:Earth-Surface Processes, Water Science and Technology
Language:English
Date:26 March 2019
Deposited On:17 Dec 2019 10:10
Last Modified:17 Dec 2019 10:10
Publisher:Copernicus Publications
ISSN:1994-0416
OA Status:Gold
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.5194/tc-13-997-2019
Project Information:
  • : FunderFP7
  • : Grant ID320816
  • : Project TitleICEMASS - Global Glacier Mass Continuity

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