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Exploring Enigmatic Shapes Under Antarctic Ice
2024-08-01 05:50:08

Exploring Enigmatic Shapes Under Antarctic Ice

Oceanographer Anna Wahlin uncovers mysterious terraces and divots beneath Antarctic ice using an underwater robot. West Antarctic ice shelf melting impacts global sea levels.

Dotson Ice Shelf and Thwaites Glacier are focal points. Recent underwater mapping unveils intriguing patterns on glacier base, suggestive of water flow dynamics and Earth's rotation influence.

The press radar on this topic:

New York Times - Energy & Environment
31. Juli 2024 um 18:00

Underwater Robot Reveals ‘Enigmatic’ Shapes on the Bottom of Antarctic Ice

Environment
Oceanographer Anna Wahlin at University of Gothenburg studies Antarctic ice shelves using an underwater robot that reveals enigmatic formations like terraces and divots sculpted by turbulent currents. Ice shelf melting in West Antarctica affects global sea levels over several centuries; Dotson Ice Shelf and rapidly-losing Thwaites Glacier are key areas of study.
Earth Sciences News - Earth and Environmental Sciences
31. Juli 2024 um 18:00

Underwater mapping reveals new insights into melting of Antarctica's ice shelves

Environment
Technology
In January 2024, the team returned to the Dotson Ice Shelf to repeat the surveys with the autonomous underwater vehicle "Ran", but the vehicle disappeared under the ice after completing only one dive. The expedition in 2022 had revealed new patterns on the glacier base, including peaks, valleys, and formations resembling sand dunes, which may have been formed by flowing water under the influence of Earth's rotation.
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