On non-stationarity of ENSO

Andrew R. Solow, Amit Huppert

Research output: Contribution to journalArticlepeer-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 languageEnglish
Pages (from-to)CLM 7-1 - 7-3
JournalGeophysical Research Letters
Volume30
Issue number17
DOIs
StatePublished - 1 Sep 2003
Externally publishedYes

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