'Snowball Earth' might have been rather slushy: Study
Millions of years ago, the Earth was so cold that most of its surface was covered in ice. But that hard freeze might have been slushier than once thought.
Millions of years ago, the Earth was so cold that most of its surface was covered in ice. But that hard freeze might have been slushier than once thought.
Earth Sciences
Apr 4, 2023
1
83
Arctic sea ice may be disappearing, but until recently, Antarctic sea ice was having the opposite experience. In February, however, the extent of sea ice at the southern hemisphere experienced a record low, the second such ...
Earth Sciences
Apr 19, 2022
1
146
The dramatic loss of ice in the Arctic is influencing sea-ice transport across the Arctic Ocean. As experts from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research report in a new study, today only ...
Earth Sciences
Apr 3, 2019
2
460
The first direct evidence that marked changes to Antarctic sea ice drift have occurred over the last 20 years, in response to changing winds, is published this week in the journal Nature Geoscience. Scientists from NERC's ...
Earth Sciences
Nov 11, 2012
16
0
A new study led by the U.S. Geological Survey (USGS) and the University of Wyoming found that increased westward ice drift in the Beaufort and Chukchi seas requires polar bears to expend more energy walking eastward on a ...
Ecology
Jun 7, 2017
14
85