Articles | Volume 17, issue 2
https://doi.org/10.5194/tc-17-789-2023
https://doi.org/10.5194/tc-17-789-2023
Research article
 | 
16 Feb 2023
Research article |  | 16 Feb 2023

Evaluating Greenland surface-mass-balance and firn-densification data using ICESat-2 altimetry

Benjamin E. Smith, Brooke Medley, Xavier Fettweis, Tyler Sutterley, Patrick Alexander, David Porter, and Marco Tedesco

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Latest update: 14 Jun 2024
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Short summary
We use repeated satellite measurements of the height of the Greenland ice sheet to learn about how three computational models of snowfall, melt, and snow compaction represent actual changes in the ice sheet. We find that the models do a good job of estimating how the parts of the ice sheet near the coast have changed but that two of the models have trouble representing surface melt for the highest part of the ice sheet. This work provides suggestions for how to better model snowmelt.