Changes in polynya area in the Ross Sea region off Antarctica follow a previously unidentified 16-year periodicity.
sea ice
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.
Posted inFeatures
Bridging Gaps Between the Geosciences and National Security
The geoscience community and national security agencies need effective, two-way communication to exchange information.
Posted inNews
Another Record-Breaking Year in the Arctic Amplifies Calls for More Data
A downward spiral of the Arctic’s ecological health and climatic conditions continued in 2023, causing problems for people, plants, and animals, according to a new NOAA report.
Posted inNews
Arctic Ice Loss Could Shorten Winter Feeding Time for Zooplankton
The Arctic’s thinning sea ice allows more light to penetrate deeper into the ocean, holding zooplankton far beneath the surface.
Posted inNews
Winds Clear Sea Ice Through Fertile Arctic Waters
The North Water polynya might not be as dependent on a sea ice bridge as previously thought, but not everyone is convinced.
Posted inEditors' Vox
Landfast Sea Ice: The Most Important Ice You’ve Never Heard Of
Landfast sea ice, sea ice that is held stationary against the Antarctic continent, links firmly with many key climate processes, but its importance is only being fully realized as its extent dwindles.
Posted inENGAGE, News
Herbivore Diversity Helps Maintain Arctic Tundra Diversity
A long-term experiment in southwestern Greenland reveals that the presence of musk oxen and caribou helps stave off declines in Arctic tundra diversity brought on by climate change.
Posted inNews
Meltwater from Antarctic Glaciers Is Slowing Deep-Ocean Currents
Antarctic ice drives crucial deep-ocean currents that help regulate Earth’s climate. But the system is slowing down.
Posted inNews
Sea Ice Is Going, but When Will It Be Gone?
A pair of studies demonstrate the uncertainty over when the Arctic will become seasonally sea ice free.