Antarctic ice's deep past shows it could be more vulnerable to warming miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.
In a study published today in Nature , an international team of scientists, including USF College of Marine Science (USF CMS) Associate Professor Amelia Shevenell and graduate student Imogen Browne, documented the evolution of Antarctica’s ice sheets about 20 million years ago.
CMS scientists on the bottom (and top) of the world!
The 79°N glacier in Greenland. Credit: Stephen Krisch
May 27, 2021
Written by Tim Conway, Amelia Shevenell and Brad Rosenheim
Melting polar ice sheets play a pivotal role in changing global sea levels, and are expected to contribute to a six-inch rise in Florida sea level by 2030. But melting ice also provides an important and changing supply of nutrients to the oceans around Greenland and Antarctica. The Southern Ocean, which encircles Antarctica, also plays a vital global role in regulating heat, salt, carbon, and nutrient transfer between the oceans and atmosphere (taking up much of the global carbon emissions),