Scientists have observed that pressure from current-seafloor encounters drives the direction of the massive Antarctic Circumpolar Current in the Southern Ocean.
Antarctica
Posted inResearch Spotlights
How Do the Deep Waters of the Antarctic Form?
Researchers uncover new insights into the life cycle of water in the Antarctic region by measuring noble gas concentrations.
Posted inNews
Antarctica's Ozone Hole Is Healing, Scientists Say
The ozone hole over Antarctica has shrunk by 16% since its peak in 2000, and some suspect it may disappear entirely by midcentury.
Posted inScience Updates
New Approaches for Air-Sea Fluxes in the Southern Ocean
Air-Sea Fluxes for the Southern Ocean: Strategies and Requirements for Detecting Physical and Biogeochemical Exchanges; Frascati, Italy, 21–23 September 2015
Posted inResearch Spotlights
Antarctica Gets a New Gravity Map
A comprehensive collection of variation in Earth's gravity could aid studies of the Antarctic geoid and of Antarctica's geology and ice sheet dynamics.
Posted inNews
Scientists Find the Point of No Return for Antarctic Ice Cap
Varying amounts of glacial debris in a core of ancient sediment show the ice cover grew and shrank until airborne carbon dioxide levels fell below 600 parts per million, spurring steady growth.
Posted inResearch Spotlights
Ocean Waves Vibrating the Ross Ice Shelf
Scientists use seismic stations to study ice shelf vibrations generated by ocean waves to better understand their impact on the integrity of the Ross Ice Shelf.
Posted inNews
Pleistocene Rocks Tell Tale of Past Ice Sheet Melting
Researchers examine evidence from a past interglacial period to predict sea level rise in the future.
Posted inResearch Spotlights
Tracking the Fate of Antarctica's Ice
New, more accurate satellite data provide researchers with ice shelf thickness measurements that will allow for better ice loss monitoring.
Posted inResearch Spotlights
Antarctic Meltwater Makes the Ocean Warmer and Fresher
Scientists model how Antarctic meltwater from specific locations could affect the Antarctic Bottom Water, ocean temperatures, and salinity.