Researchers reconstructed past AMOC strength by measuring sediment-grain sizes in ocean-floor cores, since stronger currents can transport larger sediment grains.
Sources
- Ocean Current That Keeps Europe Warm Is Weakening (smithsonianmag.com)
- https://www.fondriest.com/news/atlantic-ocean-overturning-circulation-weakening-warming.htm (fondriest.com)
- https://tos.org/oceanography/article/is-the-atlantic-overturning-circulation-approaching-a-tipping-point (tos.org)
- https://epoc-eu.org/paleo-reconstructions/ (epoc-eu.org)
- https://www.sciencedirect.com/science/article/abs/pii/S0921818118301231 (sciencedirect.com)
- https://www.science.org/content/article/ocean-current-warms-europe-may-be-more-resilient-feared (science.org)
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