The Cryosphere
The Cryosphere
TC
Articles | Volume 20, issue 3
Articles | Volume 20, issue 3
https://doi.org/10.5194/tc-20-1699-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-1699-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 3
Research article
 | 
23 Mar 2026
Research article |  | 23 Mar 2026

Active subglacial lakes in the Canadian Arctic identified by multi-annual ice elevation changes

Whyjay Zheng, Wesley Van Wychen, Tian Li, and Tsutomu Yamanokuchi

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Short summary
We identify lakes beneath the glaciers in the Canadian Arctic using satellite measurements over a decade, increasing the number of known subglacial lakes in this area from 2 to 37. These lakes are recharged by billions of cubic meters of water, and the draining of these lakes can lower the ice elevation by more than 100 m. We find three types of subglacial lakes, two of which are primarily located in the Canadian Arctic. When glaciers lose their ice quickly, these lakes become active.
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