BedMachine Antarctica

BedMachine Antarctica is a project to map the sub-surface landmass below the ice of Antarctica using data from radar depth sounding and ice shelf bathymetry methods and computer analysis of that data based on the conservation of mass.^[1]^[2]

The project is uses data from 19 research institutes.^[1] It is led by the University of California, Irvine.^[2]

It has revealed that the Antarctic bedrock is the deepest natural location on land (or at least not under liquid water) worldwide, with the bedrock being 3,500 m (11,500 ft) below sea level.^[3]^[4]

References

^ ^a ^b NASA Scientific Visualization Studio (2019-12-12). "SVS: BedMachine: A high-precision map of Antarctic ice sheet bed topography". svs.gsfc.nasa.gov. Retrieved 2023-01-13.
^ ^a ^b "So that's what it's like beneath Antarctica's ice sheet: New high-precision map reveals all the bumps and hollows". Cosmos magazine. 2019-12-13. Archived from the original on 2019-12-13. Retrieved 2019-12-13.
^ Jonathan Amos (December 12, 2019). "Denman Glacier: Deepest point on land found in Antarctica". BBC. Retrieved December 13, 2019.
^ Mathieu Morlighem; Eric Rignot; Tobias Binder; Donald Blankenship; Reinhard Drews; Graeme Eagles; Olaf Eisen; Fausto Ferraccioli; René Forsberg; Peter Fretwell; Vikram Goel; Jamin S. Greenbaum; Hilmar Gudmundsson; Jingxue Guo; Veit Helm; Coen Hofstede; Ian Howat; Angelika Humbert; Wilfried Jokat; Nanna B. Karlsson; Won Sang Lee; Kenichi Matsuoka; Romain Millan; Jeremie Mouginot; John Paden; Frank Pattyn; Jason Roberts; Sebastian Rosier; Antonia Ruppel; Helene Seroussi; Emma C. Smith; Daniel Steinhage; Bo Sun; Michiel R. van den Broeke; Tas D. van Ommen; Melchior van Wessem; Duncan A. Young (2019-12-12). "Deep glacial troughs and stabilizing ridges unveiled beneath the margins of the Antarctic ice sheet". Nature Geoscience. 13 (2): 132–137. doi:10.1038/s41561-019-0510-8. S2CID 209331991. Retrieved 2019-12-13.

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