Heartbeat of the Southern Oscillation explains ENSO climatic resonances

The El Niño‐Southern Oscillation (ENSO) nonlinear oscillator phenomenon has a far reaching influence on the climate and human activities. The up to 10 year quasi‐period cycle of the El Niño and subsequent La Niña is known to be dominated in the tropics by nonlinear physical interaction of wind with...

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Veröffentlicht in:	Journal of geophysical research. Oceans 2017-08, Vol.122 (8), p.6746-6772
Hauptverfasser:	Bruun, John T., Allen, J. Icarus, Smyth, Timothy J.
Format:	Artikel
Sprache:	eng
Schlagworte:	bifurcation Chaos Climate Computer simulation Coupling Cyclones Dynamics El Nino El Nino phenomena El Nino-Southern Oscillation event ENSO extremes Future climates Geophysics Heart Hysteresis La Nina Mode locking Modes Ocean currents Oscillations Period doubling prediction Resonance Risk assessment Sea surface Sea surface temperature Sea surface temperature anomalies Short term signal analysis SOI Southern Oscillation Southern Oscillation Index Surface temperature Temperature anomalies Theories Theory Tropical climate Tropical environments
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Beschreibung
Zusammenfassung:	The El Niño‐Southern Oscillation (ENSO) nonlinear oscillator phenomenon has a far reaching influence on the climate and human activities. The up to 10 year quasi‐period cycle of the El Niño and subsequent La Niña is known to be dominated in the tropics by nonlinear physical interaction of wind with the equatorial waveguide in the Pacific. Long‐term cyclic phenomena do not feature in the current theory of the ENSO process. We update the theory by assessing low (>10 years) and high (
ISSN:	2169-9275 2169-9291
DOI:	10.1002/2017JC012892