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This study adds to the growing body of evidence that the AMOC may be approaching a tipping point — and that it could even be close. A 2021 study found that the AMOC was weaker than any other ...
That’s the pump; it moves in the AMOC like a heartbeat moves blood through the circulatory system. The Tipping Point Is Coming But that circulation has begun to slow.
A vital system of Atlantic Ocean currents that influences weather across the world could collapse as soon as the late 2030s, scientists have suggested in a new study — a planetary-scale disaster ...
9 February: researchers use simulations to develop an early-warning signal for a potential collapse of the AMOC published in Science Advances and suggest it indicates the AMOC is "on route to tipping". [45] [46]
Another 2021 study found early-warning signals in a set of AMOC indices, suggesting that the AMOC may be close to tipping. [75] However, it was contradicted by another study published in the same journal the following year, which found a largely stable AMOC which had so far not been affected by climate change beyond its own natural variability ...
In 2022, an extensive assessment of all potential climate tipping points identified 16 plausible climate tipping points, including a collapse of the AMOC. It said a collapse would most likely be triggered by 4 °C (7.2 °F) of global warming but that there is enough uncertainty to suggest it could be triggered at warming levels of between 1.4 ...
The collapse of critical ocean circulation could bring major droughts and freezing temperatures across Europe
An example of a switch between two equilibria in the AMOC is the Eocene-Oligocene transition (EOT) 34 MA ago, where proxies of the deep circulation suggest the onset of the AMOC. This caused a major shift in the global climate towards colder and drier conditions.