'Our modeling shows that if global carbon emissions continue at the current rate, then the Antarctic overturning will slow by more than 40% in the next 30 years—and on a trajectory that looks headed towards collapse,' says ProfMattEngland
"It's something that is a concern because it touches on so many aspects of the Earth, including climate, sea level, and marine life," said one oceanographer.Antarctic currents that enrich 40% of Earth's deep ocean with oxygen and nutrients that are vital for marine life have slowed dangerously in recent decades and could collapse by mid-century, a study published Thursday revealed.—showed that a 30% slowdown in deep water currents around Antarctica since the early 1990s.
Currents known as Antarctic bottom waters—which are driven by cold, dense waters off the Antarctic continental shelf—power a worldwide system of currents. The most important of these, known as the Southern Ocean overturning circulation, comprises two massive cells—one subducting downward and the other upwelling—that connect the various water basins in a global circulation system.
;“���� Out today in @nature our new paper showing how meltwater increases around Antarctica are set to dramatically slowdown the Antarctic overturning circulation, with a potential collapse this century. https://t.co/p3au6k4zcK A;��on how this work came about and what we found...;”
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