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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Bibliographic Details
Published in:Journal of geophysical research. Oceans 2017-08, Vol.122 (8), p.6746-6772
Main Authors: Bruun, John T., Allen, J. Icarus, Smyth, Timothy J.
Format: Article
Language:English
Subjects:
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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Summary: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