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A 2022 [[Science Magazine]] review study on climate tipping points noted that in the scenarios where this convection collapses, it is most likely to be triggered by 1.8 degrees of global warming. However, model differences mean that the required warming may be as low as 1.1 degrees or as high as 3.8 degrees. Once triggered, the collapse of the current would most likely take 10 years from start to end, with a range between 5 and 50 years. The loss of this convection is estimated to lower the global temperature by up to 0.5 degrees, while the [https://upload.wikimedia.org/wikipedia/commons/thumb/c/cd/Sgubin2017_spg_amoc_collapse.jpg/220px-Sgubin2017_spg_amoc_collapse.jpg average temperature in certain regions of the North Atlantic decreases by around 3 degrees]. There are also substantial impacts on regional [[precipitation]].<ref>{{Cite journal |last1=Armstrong McKay |first1=David|last2=Abrams |first2=Jesse |last3=Winkelmann |first3=Ricarda |last4=Sakschewski |first4=Boris |last5=Loriani |first5=Sina |last6=Fetzer |first6=Ingo|last7=Cornell|first7=Sarah |last8=Rockström |first8=Johan |last9=Staal |first9=Arie |last10=Lenton |first10=Timothy |date=9 September 2022 |title=Exceeding 1.5°C global warming could trigger multiple climate tipping points |url=https://www.science.org/doi/10.1126/science.abn7950 |journal=Science |language=en |volume=377 |issue=6611 |pages=eabn7950 |doi=10.1126/science.abn7950 |pmid=36074831 |hdl=10871/131584 |s2cid=252161375 |issn=0036-8075|hdl-access=free }}</ref><ref>{{Cite web |last=Armstrong McKay |first=David |date=9 September 2022 |title=Exceeding 1.5°C global warming could trigger multiple climate tipping points – paper explainer |url=https://climatetippingpoints.info/2022/09/09/climate-tipping-points-reassessment-explainer/ |access-date=2 October 2022 |website=climatetippingpoints.info |language=en}}</ref>
A 2023 study warns that the collapse could already happen by mid century.<ref>{{Cite journal |last1=Ditlevsen |first1=Peter|last2=Ditlevsen |first2=Susanne |date=25 July 2023 |title=Warning of a forthcoming collapse of the Atlantic meridional overturning circulation |url=https://www.nature.com/articles/s41467-023-39810-w |journal=Nature |language=en |volume=14 |issue=1 |pages=4254 |doi=10.1038/s41467-023-39810-w |pmid=37491344}}</ref>
== See also ==
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