The Cryosphere
The Cryosphere
TC
Articles | Volume 20, issue 10
Articles | Volume 20, issue 10
https://doi.org/10.5194/tc-20-6003-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-20-6003-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 10
Research article
 | 
16 Oct 2026
Research article |  | 16 Oct 2026

On the theoretical limitations of joint inversion for basal slipperiness and effective viscosity in ice-flow models

Camilla A. O. Schelpe and G. Hilmar Gudmundsson

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Short summary
In this study, we investigate the ability to extract information about ice viscosity at the same as basal slipperiness in the inversion procedure of large-scale ice-sheet models. This is an essential part of the initialisation of many large-scale computational ice-sheet models. However, there is a lack of consensus on whether a joint inversion is possible to determine these fields. We present a theoretical framework to better understand the factors influencing the retrieval.
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