Articles | Volume 20, issue 3
https://doi.org/10.5194/tc-20-1543-2026
https://doi.org/10.5194/tc-20-1543-2026
Research article
 | 
11 Mar 2026
Research article |  | 11 Mar 2026

Mapping Antarctic geothermal heat flow with deep neural networks optimized by particle swarm optimization algorithm

Shaoxia Liu, Xueyuan Tang, Shuhu Yang, Lijuan Wang, and Jianjie Liu

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Cited articles

Afonso, J. C., Salajegheh, F., Szwillus, W., Ebbing, J., and Gaina, C.: A global reference model of the lithosphere and upper mantle from joint inversion and analysis of multiple data sets, Geophys. J. Int., 217, 1602–1628, https://doi.org/10.1093/gji/ggz094, 2019. 
Al-Aghbary, M., Awaleh, M. O., Jalludin, M., Sobh, M., Gerhards, C., and Staal, T.: Improving Geothermal Heat Flow Predictions and Uncertainty Quantification using Clustering-based Quantile Regression Forests, Authorea [preprint], https://doi.org/10.22541/au.175373261.14525669/v1, 2025. 
An, M., Wiens, D. A., Zhao, Y., Feng, M., Nyblade, A. A., Kanao, M., Li, Y., Maggi, A., and Lévêque, J.-J.: Temperature, lithosphere-asthenosphere boundary, and heat flux beneath the Antarctic Plate inferred from seismic velocities, J. Geophys. Res.-Sol. Ea., 120, 8720–8742, https://doi.org/10.1002/2015JB011917, 2015a. 
An, M., Wiens, D. A., Zhao, Y., Feng, M., Nyblade, A. A., Kanao, M., and Lévêque, J. J.: S-velocity model and inferred Moho topography beneath the Antarctic Plate from Rayleigh waves, J. Geophys. Res.-Sol. Ea., 120, 359–383, https://doi.org/10.1002/2014JB011332, 2015b. 
Artemieva, I. M.: Antarctica ice sheet basal melting enhanced by high mantle heat, Earth-Sci. Rev., 226, 103954, https://doi.org/10.1016/j.earscirev.2022.103954, 2022. 
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Heat from inside the Earth beneath Antarctica affects how fast ice melts and how quickly the sea level rises, but direct measurements are very limited. We built a data-driven computer model that learns the complex links between geophysical features and geothermal heat flow and reports confidence. We find lower heat flow in East Antarctica and higher heat flow in West Antarctica, especially near coasts.
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