The AMO and arctic sea ice


“A comparison of the AMO index and the Arctic sea ice extent reveals that the well-known decline in Arctic sea ice area since the 1980s occurred concurrently with a marked rising trend in Atlantic surface temperatures. However, the recent Atlantic cooling has abruptly ended the warming trend. As the Atlantic has cooled in the past few years, the Arctic ice extent has ceased to fall, and there are suggestions that the ice extent may be starting to rebound. These changes highlight the importance of natural cyclical variability in the ocean-atmosphere system, and may also portend new global trends associated with reduced solar activity.” “Atlantic cooling may presage Arctic ice increase

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