On non-stationarity of ENSO

Andrew R. Solow; Amit Huppert

doi:10.1029/2003gl018225

On non-stationarity of ENSO

Andrew R. Solow, Amit Huppert

Research output: Contribution to journal › Article › peer-review

Abstract

Evolutionary spectral analysis has been used to study changes through time in the variability of ENSO-related time series. However, the significance of estimated evolutionary spectra has not been formally assessed. This paper describes a test for non-stationarity based on an estimate of the evolutionary spectrum and a time series bootstrap procedure. The test is applied to the seasonal time series of sea level pressure at Darwin. No significant non-stationarity is found.

Original language	English
Pages (from-to)	CLM 7-1 - 7-3
Journal	Geophysical Research Letters
Volume	30
Issue number	17
DOIs	https://doi.org/10.1029/2003gl018225
State	Published - 1 Sep 2003
Externally published	Yes

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10.1029/2003gl018225

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abstract = "Evolutionary spectral analysis has been used to study changes through time in the variability of ENSO-related time series. However, the significance of estimated evolutionary spectra has not been formally assessed. This paper describes a test for non-stationarity based on an estimate of the evolutionary spectrum and a time series bootstrap procedure. The test is applied to the seasonal time series of sea level pressure at Darwin. No significant non-stationarity is found.",

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On non-stationarity of ENSO

Abstract

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