The Cryosphere
The Cryosphere
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Articles | Volume 19, issue 9
Articles | Volume 19, issue 9
https://doi.org/10.5194/tc-19-3831-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-19-3831-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 9
Research article
 | 
16 Sep 2025
Research article |  | 16 Sep 2025

Spatio-temporal snow data assimilation with the ICESat-2 laser altimeter

Marco Mazzolini, Kristoffer Aalstad, Esteban Alonso-González, Sebastian Westermann, and Désirée Treichler

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Latest update: 16 Sep 2025
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Short summary
In this work, we showcase the use the satellite laser altimeter ICESat-2, which is able to retrieve snow depth in areas where snow amounts are still poorly estimated despite the importance of these water resources. We can update snow models with these observations through algorithms that spatially propagate the information beyond the satellite profiles. The positive results show the potential of the approach to improve snow simulations, in terms of average snow depth and spatial distribution.
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