Articles | Volume 16, issue 5
The Cryosphere, 16, 1675–1696, 2022
https://doi.org/10.5194/tc-16-1675-2022
The Cryosphere, 16, 1675–1696, 2022
https://doi.org/10.5194/tc-16-1675-2022
Research article
05 May 2022
Research article | 05 May 2022

Comparison of ice dynamics using full-Stokes and Blatter–Pattyn approximation: application to the Northeast Greenland Ice Stream

Martin Rückamp et al.

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Short summary
We present a comparative modelling study between the full-Stokes (FS) and Blatter–Pattyn (BP) approximation applied to the Northeast Greenland Ice Stream. Both stress regimes are implemented in one single ice sheet code to eliminate numerical issues. The simulations unveil minor differences in the upper ice stream but become considerable at the grounding line of the 79° North Glacier. Model differences are stronger for a power-law friction than a linear friction law.