ENSO related variability in the Southern Hemisphere, 1948-2000

Pedro Ribera, Michael E. Mann

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31 Scopus citations


The spatiotemporal evolution of Southern Hemisphere climate variability is diagnosed based on the use of the NCEP reanalysis (1948-2000) dataset. Using the MTM-SVD analysis method, significant narrowband variability is isolated from the multi-variate dataset. It is found that the ENSO signal exhibits statistically significant behavior at quasiquadrennial (3-6 yr) timescales for the full time-period. A significant quasibiennial (2-3 yr) timescales emerges only for the latter half of period. Analyses of the spatial evolution of the two reconstructed signals shed additional light on linkages between low and high-latitude Southern Hemisphere climate anomalies.

Original languageEnglish (US)
Pages (from-to)6-1-6-4
JournalGeophysical Research Letters
Issue number1
StatePublished - Jan 1 2003

All Science Journal Classification (ASJC) codes

  • Geophysics
  • General Earth and Planetary Sciences


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