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With the AMOC out of whack, not only will freezing temperatures hit the North Atlantic, but sea levels are also expected to rise along the coasts.
The AMOC hasn’t reached the tipping point just yet but the evidence is mounting to suggest it is becoming increasingly unstable.
Dr Boers said: “A detailed analysis of these fingerprints in eight independent indices now suggests that the AMOC weakening during the last century is indeed likely to be associated with a loss of stability.
“The findings support the assessment that the AMOC decline is not just a fluctuation or linear response to increasing temperatures but likely means the approaching of a critical threshold beyond which the circulation system could collapse.”
As the AMOC current drives warm, salty water northwards – what we know as the Gulf Stream – where it cools and becomes more dense, falling beneath the surface of Greenland.
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