Global-scale modes of surface temperature variability on interannual to century timescales

M. E. Mann, J. Park

Research output: Contribution to journalArticle

242 Citations (Scopus)

Abstract

Using 100yr of global temperature anomaly data, we have performed a singular value decomposition of temperature variations in narrow frequency bands to isolate coherent spatio-temporal "modes' of global climate variability. Secular variance is dominated by a global coherent trend, with nearly all grid points warming in phase at varying amplitude. A smaller, but significant, share of the secular variance corresponds to a pattern dominated by warming and subsequent cooling in the high latitude North Atlantic with a roughly centennial timescale. Spatial patterns associated with significatn peaks in variance within a broad period range from 2.8 to 5.7yr exhibit characteristic El Nino-Southern Oscillation (ENSO) patterns. A recent transition to a regime of high ENSO frequency is suggested by our analysis. -from Authors

Original languageEnglish (US)
Pages (from-to)25,819-25,833
JournalJournal of Geophysical Research
Volume99
Issue numberD12
StatePublished - Jan 1 1994

Fingerprint

El Nino-Southern Oscillation
surface temperature
Southern Oscillation
el Nino
warming
El Nino
timescale
Singular value decomposition
temperature anomaly
Frequency bands
global climate
heating
decomposition
Cooling
cooling
polar regions
Temperature
climate
temperature
grids

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Forestry
  • Oceanography
  • Aquatic Science
  • Ecology
  • Water Science and Technology
  • Soil Science
  • Geochemistry and Petrology
  • Earth-Surface Processes
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Space and Planetary Science
  • Palaeontology

Cite this

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Global-scale modes of surface temperature variability on interannual to century timescales. / Mann, M. E.; Park, J.

In: Journal of Geophysical Research, Vol. 99, No. D12, 01.01.1994, p. 25,819-25,833.

Research output: Contribution to journalArticle

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