研究人员通过分析海豹和水下滑翔机收集的水文信息，发现了新的融水流，以及一个新的海底槽。
glaciers & ice sheets
Posted inNews
Radar Data Show Thwaites Gets a Daily Bath of Warm Seawater
The Doomsday Glacier, predicted to raise global sea level by more than half a meter, could be exposed to more warm ocean water than previously thought.
Posted inNews
Antarctic Ice Doughnuts May Hold the Key to Shelf Collapse
The first direct record of ring fractures in Antarctic ice shows how the phenomenon could cause rapid ice shelf collapse.
Posted inResearch Spotlights
Seals Help Scientists Make Discoveries in Antarctica’s Bellingshausen Sea
By analyzing hydrographic information gathered by seals and an undersea glider, researchers found new meltwater currents, as well as a new seafloor trough.
Posted inNews
Rain Comes to the Arctic, With a Cascade of Troubling Changes
Rain used to be rare in the Arctic, but as the region warms, so-called rain-on-snow events are becoming more common. The rains accelerate ice loss, trigger flooding, landslides, and avalanches, and create problems for wildlife and the Indigenous people who depend on them.
Posted inResearch Spotlights
Beneath the Ice: Greenland’s Geology Revealed in New Map
Advances in remote sensing offered an opportunity to redraw Greenland’s geologic map for the first time in 15 years.
Posted inNews
Drilling into Antarctica’s Past
The West Antarctic Ice Sheet melted rapidly around 8,000 years ago. Could that event foretell the future?
Posted inEditors' Highlights
Speed of Ice Shelf Rifting Controlled by Ocean-Ice Interactions
Scientists report the fastest rate of rift extension yet observed for an Antarctic floating ice shelf and explain why it is far slower than rates expected for brittle ice deformation.
Posted inNews
El Niño May Have Kicked Off Thwaites Glacier Retreat
Antarctica’s “Doomsday Glacier” started losing mass midcentury, around the same time as its neighboring glacier.
Posted inScience Updates
Monitoring Polar Ice Change in the Twilight Zone
Landsat’s new extended data collection program is mapping Arctic and Antarctic regions year-round, even in polar twilight.