Cooling patch in North Atlantic linked to weakening AMOC ocean current system
By
Alec Luhn
Crisp on the outside, thoughtful on the inside. A keeper.
Summary
A patch of ocean south-east of Greenland, known as the "cold blob" or "warming hole," has cooled by up to 1°C over the past 150 years while the rest of Earth warms. The latest evidence suggests this anomaly is caused by a weakening of the Atlantic Meridional Overturning Circulation (AMOC), the ocean current system that transports warm water from the tropics to Europe. This finding has significant implications for climate patterns in the North Atlantic region.
Key quotes
· 3 pulledOver the past 150 years, Earth's entire surface has been warming, except for one patch of the north Atlantic.
Located south-east of Greenland, this area has cooled by as much as 1°C and is known as the 'warming hole' or the 'cold blob'.
Scientists have been split over why this cold blob exists, but the latest evidence backs up the idea that it is caused by a weakening of the Atlantic Meridional Overturning Circulation (AMOC), the system of currents that transports warmth from the tropics to Europe.
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