Global climate models do not reproduce observed trends of the Southern polar ocean surface, but an increase in wind-transported sea ice that melts and inhibits mixing may account for the disparity.
Antarctica
Posted inNews
A Subglacial Lake in Antarctica Churns Out Nutrients
Eight hundred meters below the West Antarctic Ice Sheet, microbes in subglacial Lake Whillans create organic carbon that helps power the Southern Ocean’s vast food chain.
Posted inNews
“Terremotos Glaciales” Vistos por Primera Vez en Thwaites
Estos eventos sísmicos, provocados por los icebergs que se vuelcan y chocan contra Thwaites, revelan que el glaciar ha perdido parte de su plataforma flotante de hielo.
Posted inScience Updates
A Shared Resource for Studying Extreme Polar Environments
A new community pool of seismic instrumentation will facilitate and advance geologic and cryospheric research in Earth’s ice-covered environments.
Posted inAGU News
The Threat at Thwaites
This Antarctic glacier is rapidly losing mass. An international team is digging into the ice to figure out just how bad it is.
Posted inNews
“Glacial Earthquakes” Spotted for the First Time on Thwaites
These seismic events, triggered by icebergs capsizing and ramming into Thwaites, reveal that the glacier has lost some of its floating ice shelf.
Posted inNews
Antarctic Ice Cores Might Be Older Than Dirt
Using cosmogenic nuclide dating, scientists determined a 10-meter core just below the surface to be over a million years old.
Posted inFeatures
Diagnosing Thwaites
The water under a vulnerable Antarctic glacier is warming. Its catastrophic collapse could trigger a dramatic increase in global sea level.
Posted inNews
Controlled Explosions Pave the Way for Thwaites Glacier Research
Scientists detonate explosives in West Texas to prepare for fieldwork in West Antarctica.
Posted inNews
What Lies Beneath Is Important for Ice Sheets
New research reconstructing the topography of Antarctica shows that the continent has 25% less land above sea level than when ice first started to accumulate 34 million years ago.