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Subglacial landscape in the Antarctic interior consistent with past fast ice flow

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Swath radar maps of the subglacial landscape reveal how Antarctica’s geologic history has influenced the evolution of the ice sheet. The findings indicate the role of past interior ice streams in shaping ice-sheet growth and flow from Hercules Dome.

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Fig. 1: Tectonic steering of ice flow promotes the development of landforms near Hercules Dome.

References

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This is a summary of: Hoffman, A. O. et al. Scars of tectonism promote ice-sheet nucleation from Hercules Dome into West Antarctica. Nat. Geosci. https://doi.org/10.1038/s41561-023-01265-5 (2023).

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Subglacial landscape in the Antarctic interior consistent with past fast ice flow. Nat. Geosci. 16, 946–947 (2023). https://doi.org/10.1038/s41561-023-01267-3

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