News & information on Antarctica & the Southern Ocean

Science and Research in Antarctica and the Southern Ocean

Antarctic ice velocity: most precise map

The most precise map ever of movement of the ice sheets across the surface of Antarctic bedrock.… Read more »

Reconstructing Gondwana - when Antarctica and Australia were joined

Antarctica and Australia separated more than 100 million years ago; airborne magnetic surveys of ice-covered bedrock in Antarctica identifies geological correlations between the two land masses.… Read more »

Hanging like a loose tooth! only 5km of ice separates two large cracks on Brunt Ice Shelf.

Only 5km of ice separates the Chasm 1 and Halloween Cracks on the Brunt Ice Shelf.… Read more »

Newly detected: Plate tectonic boundary runs beneath the Ross Ice Shelf

Previously unmapped geologic boundary between East & West Antarctica under the Ross Ice Shelf.… Read more »

Summer polynyas transport warm water beneath the Ross Ice Shelf

Open water in summer (polynya) generates warm water, transporting heat into the cavity beneath the Ross Ice Shelf… Read more »

Huge void discovered beneath the mighty Thwaites Glacier

A huge void has been discovered beneath the mighty Thwaites Glacier in West Antarctica.… Read more »

Tides under Ronne-Filchner Ice Shelf move grounding line by 20km

At the extreme inner recess of the Ronne-Filchner Ice Shelf, the 5m tidal range moves the grounding line of the Foundation Ice Stream 20km back and forth with each tide… Read more »

The Ross Ice shelf vibrates with the wind!

Seismographs on Earth's largest ice shelf detected vibrations caused by winds blowing across the snow on the surface.… Read more »

Antarctic ice loss has tripled in a decade,

Antarctic ice loss has tripled in a decade, most definitive figures yet: Earth's largest ice sheet #Antarctica lost 219 billion tons of ice annually in 2012 - 2017.… Read more »

Ocean swells from storms cause the collapse ice shelves, when sea ice is reduced

Storm-driven ocean swells, during periods of reduced sea ice coverage, caused the collapse of five major ice shelves between 1995-2009,… Read more »