The Cryosphere
The Cryosphere
TC
Articles | Volume 18, issue 11
Articles | Volume 18, issue 11
https://doi.org/10.5194/tc-18-5153-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-18-5153-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 11
Research article
 | 
14 Nov 2024
Research article |  | 14 Nov 2024

Massive mobilization of toxic elements from an intact rock glacier in the central Eastern Alps

Hoda Moradi, Gerhard Furrer, Michael Margreth, David Mair, and Christoph Wanner

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Latest update: 23 Apr 2025
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Short summary
Detailed monitoring of a rock glacier spring in the Eastern Alps showed that more than 1 tonne of toxic solutes, such as aluminum, nickel, and manganese, is mobilized each year from a small permafrost area. The strong mobilization is caused by rock weathering and long-term accumulation of toxic solutes in permafrost ice. Today, climate-change-induced permafrost degradation leads to a quick and focused export in summer. This forms an unexpected, novel hazard for alpine and high-latitude areas.
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