"The vast West Antarctic Ice Sheet holds enough ice to raise global sea level by 4 to 5 meters if it melts completely. It is protected on one side by the Ross Ice Shelf, the world's largest floating ice mass, that serves as a buttress slowing the flow of glaciers and ice streams towards the sea. As our climate warms, the Ross Ice Shelf is becoming increasingly vulnerable,"
"a collaboration between 10 countries (New Zealand, the United States, Germany, Australia, Italy, Japan, Spain, Republic of Korea, the Netherlands, and the United Kingdom) involving more than 120 scientists. This group includes glaciologist Jonathan Kingslake, geochemist Sidney Hemming, geodynamicist Jacqueline Austermann, sediment expert Brendan Reilly and graduate student Sam Chester, all from Lamont-Doherty Earth Observatory, which is part of the Columbia Climate School."
The West Antarctic Ice Sheet contains enough ice to raise global sea level by 4 to 5 meters if it melts. The Ross Ice Shelf buttresses glaciers and ice streams, slowing their flow to the sea. Warming increases the shelf's vulnerability, while the global temperature threshold for irreversible shelf loss remains uncertain. The SWAIS2C project aims to retrieve a geological record by drilling a 200-meter sediment core from bedrock beneath 500 meters of ice at Crary Ice Rise. An international team conducts seismic and radar surveys and core recovery to reconstruct past climate and ice-sheet responses.
Read at State of the Planet
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