The Cryosphere
The Cryosphere
TC
Articles | Volume 20, issue 3
Articles | Volume 20, issue 3
https://doi.org/10.5194/tc-20-1559-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-1559-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 3
Research article
 | 
16 Mar 2026
Research article |  | 16 Mar 2026

A decade of winter supraglacial lake drainage across Northeast Greenland using C-band SAR

Connor Wolfgang Dean, Randall Scharien, Ian Willis, and Kali Ann McDougall

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Short summary
In this study we track winter supraglacial lake drainage on the Greenland Ice Sheet. Winter drainage is hard to observe, so we used synthetic aperture radar images to build a method that detects events across ten winter seasons. We find drainage occurs every winter, often in cascades, is most common at lower elevations, and indicates clear links to summer drainage and melt conditions. Winter drainage seldom drives seasonal changes in ice speed, though brief increases can follow cascade events.
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