Melting ice could trigger a disastrous chain reaction, a new Australian study warns
Rapidly melting Antarctic ice is causing a dramatic slowdown in deep ocean currents and could have a disastrous effect on the climate, a new report warns.
The report outlines how the Earth's network of deep ocean currents are part driven by the downwards movement of cold, dense saltwater towards the sea bed near Antarctica. "Our modelling shows that if global carbon emissions continue at the current rate, then the Antarctic overturning will slow by more than 40 per cent in the next 30 years - and on a trajectory that looks headed towards collapse," study lead Professor Matthew England said.
The 2018 Atlas Study found the Atlantic Ocean circulation system was weaker than it had been for more than 1,000 years, and had changed significantly in the past 150. But Dr Morrison said a slowdown in the southern overturning would have more of an impact on marine ecosystems and Antarctica itself.
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