A new statistical model has predicted that the collapse of Atlantic Ocean currents is likely to occur this century. The results would cause catastrophic temperature drops in the Northern Hemisphere, but other scientists are not so sure.
A vital ocean current system that helps regulate the Northern Hemisphere's climate could collapse anytime from 2025 and unleash climate chaos, a controversial new study warns.
The AMOC can exist in two stable states: a stronger, faster one that we rely upon today, and another that is much slower and weaker. Previous estimates predicted that the current would probably switch to its weaker mode sometime in the next century. But human-caused climate change may push the AMOC to a critical tipping point sooner rather than later, researchers predicted in a new study, published Tuesday in the journal Nature Communications.
The region near Greenland where the southerly waters sink is hitting record low temperatures, while the surrounding seas climb to all-time highs, forming an ever-expanding 'blob' of cold water. By feeding this information into a statistical model, the researchers gauged the diminishing strength and resilience of the ocean current by its growing year-on-year fluctuations.
Controversy over the predicted collapseOceanographers and climate experts have said that while the study provides a worrying warning, it comes with some big uncertainties.
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