Observed arrival · 2026-10-23
Has the AMOC Collapsed Yet?
A science explainer tracks whether the Atlantic Meridional Overturning Circulation has collapsed, what that would mean, and why scientists still disagree about its weakening.
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- Climate-curious readers seeking AMOC context
- Worth noticing
- It distinguishes RAPID-array measurements dating to 2004 from older indirect clues, including sea-surface temperatures and sediment cores.
Field notes
The explainer separates direct observations from older indirect evidence: it describes RAPID moorings measuring the circulation since 2004, while noting that earlier estimates draw on clues such as sea-surface temperatures and sediment cores. Its account connects the Greenland-area warming hole to the AMOC, while emphasizing that the measurement record is short for a slow, noisy system.
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