The Atlantic Ocean’s current system could be weakening to such an extent that it could soon bring big changes to the world’s weather, scientific study says.
, an engine of the Northern Hemsiphere’s climate, could be weakening to such an extent that it could soon bring big changes to the world’s weather, a scientific study said on Thursday.that transports warm water from the tropics northwards into the North Atlantic.retains more of heatClimate models have shown that the AMOC is at its weakest in more than a 1,000 years. However, it has not been known whether the weakening is due to a change in circulation or it is to do with the loss of stability.
“The findings support the assessment that the AMOC decline is not just a fluctuation or a linear response to increasing temperatures but likely means the approaching of a critical threshold beyond which the circulation system could collapse,” Boers said. If the AMOC collapsed, it would increase cooling of the Northern Hemisphere, sea level rise in the Atlantic, an overall fall in precipitation over Europe and North America and a shift in monsoons in South America and Afrcia, Britain’s Met Office said.
Other climate models have said the AMOC will weaken over the coming century but that a collapse before 2100 is unlikely.
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