Fewer El Niño and La Niña events in a warmer world, says computer model

Tallbloke's Talkshop

ENSO1 Credit: concernusa.org

A key premise of most computer models seems to be that the atmosphere, with its 0.04% CO2 content, drives ocean temperatures. As most of the energy is in the oceans, why wouldn’t it be the other way round?
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The cycling between warm El Niño and cold La Niña conditions in the eastern Pacific (commonly referred to as the El Niño-Southern Oscillation, ENSO) has persisted without major interruptions for at least the last 11,000 years, says Phys.org.

This may change in the future according to a new study published in the journal Nature Climate Change by a team of scientists from the IBS Center for Climate Physics (ICCP) at Pusan National University in South Korea, the Max Planck Institute of Meteorology, Hamburg, Germany, and the University of Hawaiʻi at Mānoa, U.S.

The team conducted a series of global climate model simulations with an unprecedented spatial…

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