Articles | Volume 18, issue 1
https://doi.org/10.5194/tc-18-103-2024
https://doi.org/10.5194/tc-18-103-2024
Research article
 | 
04 Jan 2024
Research article |  | 04 Jan 2024

Using specularity content to evaluate eight geothermal heat flow maps of Totten Glacier

Yan Huang, Liyun Zhao, Michael Wolovick, Yiliang Ma, and John C. Moore

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Latest update: 14 Jul 2024
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Short summary
Geothermal heat flux (GHF) is an important factor affecting the basal thermal environment of an ice sheet and crucial for its dynamics. But it is poorly defined for the Antarctic ice sheet. We simulate the basal temperature and basal melting rate with eight different GHF datasets. We use specularity content as a two-sided constraint to discriminate between local wet or dry basal conditions. Two medium-magnitude GHF distribution maps rank well, showing that most of the inland bed area is frozen.