The retreat of Antarctica's fast-flowing Thwaites Glacier is expected to speed up within 20 years, once the glacier detaches from an underwater ridge that is currently holding it back, says a new study in Geophysical Research ...
Earth Sciences
Oct 26, 2011
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A new study shows that a large and potentially unstable Antarctic glacier may be melting farther inland than previously thought and that this melting could affect the stability of another large glacier nearby – an important ...
Earth Sciences
Jan 23, 2018
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(PhysOrg.com) -- In mid-October 2011, NASA scientists working in Antarctica discovered a massive crack across the Pine Island Glacier, a major ice stream that drains the West Antarctic Ice Sheet. Extending for 19 miles (30 ...
Earth Sciences
Feb 1, 2012
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In February 2010, NASA satellite ICESat-1 (Ice, Cloud and land Elevation Satellite) was decommissioned. Designed as a three-year mission, it successfully met its goal of returning science data for five years. Its replacement, ...
Earth Sciences
Nov 11, 2010
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Among the vast expanse of Antarctica lies the Thwaites Glacier, the world's widest glacier measuring about 80 miles on the western edge of the continent. Despite its size, the massive landform is losing about 50 billion tons ...
Earth Sciences
Feb 26, 2024
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"The new elevation maps are snapshots of the current state of the ice sheets. The elevations are very accurate, to just a few metres in height, and cover close to 16 million km2 of the area of the ice sheets. This is 500,000 ...
Earth Sciences
Aug 20, 2014
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In recent years, the Pine Island Glacier and the Thwaites Glacier in west Antarctica has been undergoing rapid changes, with potentially major consequences for rising sea levels. However, the processes that underlie these ...
Earth Sciences
Sep 14, 2020
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Scientists from the University of Aberdeen have helped carry out a detailed survey of the landscape beneath thick Antarctic ice that researchers say will be a valuable resource in understanding how ice draining into the ocean ...
Earth Sciences
Nov 20, 2017
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Pine Island Ice Shelf in West Antarctica, which holds back enough ice to raise sea levels by 0.5 meters, could be more vulnerable to complete disintegration than previously thought. A new study led by British Antarctic Survey ...
Earth Sciences
Sep 21, 2022
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Two species of seal found in Antarctic seas are helping scientists collect data about the temperature and salinity of waters around vulnerable ice sheets in West Antarctica.
Earth Sciences
May 15, 2018
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