The Cryosphere
The Cryosphere
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Articles | Volume 19, issue 10
Articles | Volume 19, issue 10
https://doi.org/10.5194/tc-19-4835-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-4835-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 10
Research article
 | 
21 Oct 2025
Research article |  | 21 Oct 2025

Modeling the impacts of climate trends and lake formation on the retreat of a tropical Andean glacier (1962–2020)

Tal Y. Shutkin, Bryan G. Mark, Nathan D. Stansell, Rolando Cruz Encarnación, Henry H. Brecher, Zhengyu Liu, Bidhyananda Yadav, and Forrest S. Schoessow

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Latest update: 14 Nov 2026
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Short summary
Queshque Glacier of Peru's tropical Andes has retreated rapidly since the mid-20th century. Using a glacier model, we show that this has primarily been driven by steady warming despite the counteracting effect of recent snowfall amounts. Independently from climatic trends, we find that the formation of a new lake at the glacier's base has further accelerated ice loss. This research demonstrates the utility of empirical glacier models for interpreting past and future changes in the tropics.
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