Published 2026 | Version v1
Data paper Embargoed

Multi-observable thermochemical tomography of Antarctica [Datasets]

Authors/Creators

  • 1. Washington University in Saint Louis
  • 2. University of Tasmania

Description

  1. Thermal structure from surface down to 380 km.
  2. Geothermal heat flux model.
  3. Composition structure of the lithosphere mantle.
  4. Shear wave velocity model from surface down to 380 km.
  5. Density model from surface down to 380 km.
  6. RC_datasets : Rayleigh wave dispersion curves (phase velocity) from 20s to 200s.

Files

Embargoed

The files will be made publicly available on September 1, 2026.

Additional details

Funding

U.S. National Science Foundation
Thermal and Compositional Structure of Antarctica from Probabilistic Joint Inversion of Seismic, Gravity, and Topography Data and Petrological Modelling 2203487

References

  • Ben-Mansour, W, Wiens, DA, Afonso, JC, Zhou, Z (2026), 3-D thermochemical structure of the lithospheric mantle of Antarctica from multi-observable probabilistic inversion and geodynamic implication, submission expected spring 2026.
  • Wiens, DA, Ben-Mansour, W, Zhou, Z, Lloyd, AJ (2025), Implications of the solid earth structure of Antarctica for Glacial Isostatic Adjustment workshop, Advancing models and observational constraints, Conference abstract.
  • Ben-Mansour, W, Wiens, DA, Afonso, JC. (2023), 3-D architecture of the lithosphere and asthenosphere beneath Antarctica from geophysical and petrological modelling, AGU Fall Meeting Abstracts, San Francisco, CA (USA).