1990a, Zaucker & Broecker 1992), while others argue changes in atmospheric circulation were the driver (the wind field oscillation hypothesis) (Clement & Cane 1999, Seager et al. 2002, Seager 2006 ...

A new study, published in Atmospheric and Oceanic Science Letters, investigates this issue by examining regional Hadley circulation intensity trends in the Northern Hemisphere across six key ...

This is a schematic of the trends in temperature and ocean-atmosphere circulation in the Pacific over the past two decades. Color shading shows observed temperature trends ( C per decade ...