Australia; International
Circular currents of water up to hundreds of kilometres wide, known as ocean eddies, may help dampen down La Niña and El Niño climate events making them less extreme, according to Australian and international research. The researchers say these eddies, which occur around the equator, can help to cool the ocean during an El Niño and warm it during a La Niña by changing the way heat moves between the subsurface and surface of the ocean. They say this dampening effect is missing in the majority of state-of-the-art climate models - which tend to over estimate the severity of El Niño and La Niña events.
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