Some estimates of Antarctica's total contribution to sea-level rise may be over- or underestimated, after researchers detected a previously unknown source of ice loss variability.
Earth Sciences
Oct 6, 2022
4
159
For decades, the ice shelf helping to hold back one of the fastest-moving glaciers in Antarctica has gradually thinned. Analysis of satellite images reveals a more dramatic process in recent years: From 2017 to 2020, large ...
Environment
Jun 11, 2021
16
308
Thousands of marks on the Antarctic seafloor, caused by icebergs which broke free from glaciers more than ten thousand years ago, show how part of the Antarctic Ice Sheet retreated rapidly at the end of the last ice age as ...
Earth Sciences
Oct 25, 2017
0
181
In the first such continent-wide survey, scientists have found extensive drainages of meltwater flowing over parts of Antarctica's ice during the brief summer. Researchers already knew such features existed, but assumed they ...
Earth Sciences
Apr 19, 2017
0
1486
Scientists have discovered huge ice channels beneath a floating ice shelf in Antarctica. At 250 metres high, the channels are almost as tall as the Eiffel tower and stretch hundreds of kilometres along the ice shelf. The ...
Earth Sciences
Oct 6, 2013
10
2
New research has uncovered a feedback loop that may be accelerating the melting of the floating portions of the West Antarctic Ice Sheet, pushing up global sea levels.
Earth Sciences
Apr 22, 2024
0
827
Scientists are warning that apparently stable glaciers in the Antarctic can "switch very rapidly" and lose large quantities of ice as a result of warmer oceans.
Earth Sciences
Nov 28, 2023
0
99
Four dozen Antarctic ice shelves have shrunk by at least 30% since 1997 and 28 of those have lost more than half of their ice in that time, reports a new study that surveyed these crucial "gatekeepers'' between the frozen ...
Environment
Oct 15, 2023
12
208
The world saw another year full of extreme weather events resulting from climate change in 2022, from intense storms to soaring temperatures and rising sea levels. Antarctica was no exception, according to new research published ...
Earth Sciences
Sep 8, 2023
1
149
As global ice dams begin to weaken due to warming temperatures, a new study suggests that prior attempts to evaluate the mass of the huge floating ice shelves that line the Antarctic ice sheet may have overestimated their ...
Earth Sciences
Sep 1, 2023
0
76
