Manifestations of motions of the Earth’s pole in the El Niño–Southern Oscillation rhythms
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We analyze autocorrelations and power spectra of the time series of monthly mean data characterizing sea surface temperature anomalies in the equatorial Pacific in the years 1920–2013 and show that the rhythms of El Niño–Southern Oscillation can be interpreted as the responses of the climate system to the external quasi-periodic forcing generated by the motions of the Earth’s pole. We conclude that the ENSO phenomenon has no prediction limits.
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