Why Do Oceanic Nonlinearities Contribute Only Weakly to Extreme El Niño Events?
Fangyu Liu,
Jérôme Vialard,
Alexey V. Fedorov
et al.
Abstract:Extreme El Niño events have outsized global impacts and control the El Niño Southern Oscillation (ENSO) warm/cold phases asymmetries. Yet, a consensus regarding the relative contributions of atmospheric and oceanic nonlinearities to their genesis remains elusive. Here, we isolate the contribution of oceanic nonlinearities by conducting paired experiments forced with opposite wind stress anomalies in an oceanic general circulation model, which realistically simulates extreme El Niño events and oceanic nonlinear… Show more
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