Articles | Volume 18, issue 3
https://doi.org/10.5194/tc-18-1139-2024
https://doi.org/10.5194/tc-18-1139-2024
Research article
 | 
11 Mar 2024
Research article |  | 11 Mar 2024

Impact of boundary conditions on the modeled thermal regime of the Antarctic ice sheet

In-Woo Park, Emilia Kyung Jin, Mathieu Morlighem, and Kang-Kun Lee

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Short summary
This study conducted 3D thermodynamic ice sheet model experiments, and modeled temperatures were compared with 15 observed borehole temperature profiles. We found that using incompressibility of ice without sliding agrees well with observed temperature profiles in slow-flow regions, while incorporating sliding in fast-flow regions captures observed temperature profiles. Also, the choice of vertical velocity scheme has a greater impact on the shape of the modeled temperature profile.