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While climatologists say the collapse of the AMOC is a real threat, and that the new study raises a legitimate alarm that we may pass a key climate change tipping point sooner than previously ...
In 2022, a major review of tipping points concluded an AMOC collapse would lower global temperatures by around 0.5 °C (0.90 °F) while regional temperatures in Europe would fall by between 4 °C (7.2 °F) and 10 °C (18 °F). [14] [100] A 2020 study assessed the effects of an AMOC collapse on farming and food production in Great Britain. [162]
The impacts of an AMOC collapse would leave parts of the world unrecognizable. In the decades after a collapse, Arctic ice would start creeping south, and after 100 years, would extend all the way ...
If that happens, the new report suggests, northern Europe could cool by about 5.4 degrees Fahrenheit in a decade. ... The new report similarly draws attention to the risk of AMOC collapse.
“The collapse of the AMOC has huge implications, and we can’t just sit back and say, ‘I don’t know, maybe we’re wrong,’” Susanne Ditlevsen says, shrugging. “I hope we’re wrong ...
Like in paleoceanographic models, the mechanism and likelihood of collapse have been investigated using climate models. [3] Most present-day climate models already predict a gradual weakening of the AMOC over the 21st century due to anthropogenic forcing, although there is large uncertainty in the amount of decrease.
The potential collapse of the subpolar gyre in this scenario (middle). The collapse of the entire AMOC (bottom). Some climate models indicate that the deep convection in Labrador-Irminger Seas could collapse under certain global warming scenarios, which would then collapse the entire circulation in the North subpolar gyre. It is considered ...
Now they are scrambling to work out if it could happen again. ... The AMOC’s collapse could also cause sea levels to surge by around 1 meter (3.3 feet), van Westen said.