Barely Significant
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Atlantic overturning inferred from air-sea heat fluxes indicates no decline since the 1960s.

Nat Commun · 2025 · PMC11736101 · PMID 39814728

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a positive trendno p-value reported
Across both reconstructions, a positive trend for the AMOC at 26.5°N can be found from 1963 to 2017 of 0.022 ± 0.005 Sv per decade (ERA5) and 0.022 ± 0.003 Sv per decade (JRA-55).

also in 7,469 other papers

an overall trendno p-value reported
Based on the observation-based air-sea heat flux estimates, we confirm the absence of an overall trend of the AMOC but find decadal variability.

also in 3,323 other papers

a negative trendno p-value reported
However, a negative trend is unlikely, especially given that atmospheric warming would lead to a negative bias in the reconstructed AMOC over this period.

also in 2,747 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.