A new method based on artificial intelligence could help accelerate projections of polar ice melt and future sea level rise.
Antarctica
Overturning Ocean Water by Turbulence
A high-resolution regional model of the Southern Ocean reveals how topographically induced mixing in the abyss is important in creating the water masses that can upwell back up to the surface.
Seawater Dynamics in an Underexplored Antarctic Fjord
Wind is the major driver of salinity changes within the narrow, glacier-fed cove.
Melting Glaciers as a Source of Lead in Coastal Waters
New experiments show how lead circulates through glaciers, meltwater, and sediments in polar environments.
Marine Sediments Reveal Past Climate Responses to CO2 Changes
Climate records stored in marine sediments reveal different ice sheet and ocean responses to falling atmospheric CO2 concentrations from the warm Pliocene to the ice ages of the Pleistocene.
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.
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.
Mounds of Ancient Ocean Floor May Be Hiding Deep in Earth
A mysterious seismic feature at the bottom of Earth’s mantle is more widespread than previously thought.
Penguin Poop May Flush Iron into the Southern Ocean
Nutrients from the seabirds’ guano fuels the growth of carbon-storing phytoplankton, but penguin populations have plunged in the past 4 decades.
Do Ocean Currents Mix Water Vertically or Stir Laterally?
Observations of temperature and salinity distributions across the Brazil-Malvinas Confluence reveal the importance of small-scale mixing processes for water mass modification.