Equipped with thrusters, cameras, sonar and sensors for measuring water temperature, pressure and salinity, the vehicle climbed nearly 150 feet up one slope and descended the other.
A81 broke off Antarctica's Brunt Ice Shelf in February after being weakly tethered to the mainland for years, according to The British Antarctic Survey.
During the COVID summer of 2020-21, just 15 tourists on two yachts visited Antarctica. But now, tourism is back—and bigger than ever. This season's visitor numbers are up more than 40% over the largest pre-pandemic year.
With the Arctic Ocean being twice as sensitive to rapid warming than the global average, evaporation and subsequent changes to the hydrological cycle over northern Eurasia will become even more pronounced in the years to come.
Understanding transport and transformation processes within the carbon cycle is essential to creating global carbon dioxide budgets and therefore also projections for global warming.
An international team of researchers have sounded new alarm bells about the changing chemistry of the western region of the Arctic Ocean after discovering acidity levels increasing three to four times faster than ocean waters elsewhere.
Pine Island Ice Shelf in West Antarctica, which holds back enough ice to raise sea levels by 0.5 metres, could be more vulnerable to complete disintegration than previously thought.