The Cryosphere
The Cryosphere
TC
Articles | Volume 20, issue 8
Articles | Volume 20, issue 8
https://doi.org/10.5194/tc-20-4563-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-4563-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 8
Research article
 | 
20 Aug 2026
Research article |  | 20 Aug 2026

The multilayer ocean circulation melting the 79N Glacier ice tongue

Markus Reinert, Claudia Wekerle, Knut Klingbeil, Marvin Lorenz, and Hans Burchard

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Short summary
The Greenland Ice Sheet is an important contributor to global sea level rise. In northern Greenland, floating glacier tongues are primarily melted by ocean currents. These processes are difficult to observe, so we developed a realistic numerical model to study ocean-driven melting at Greenland's largest floating ice tongue, the 79° North Glacier. Our simulation reveals the details of the oceanic currents bringing warm water toward the ice base, melting and shaping the glacier tongue from below.
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