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Cited by 340

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Recent Variability in the Southern Oscillation: Isotopic Results from a Tarawa Atoll Coral

Cole, Julia E., Fairbanks, Richard G., Shen, Glen T.·1993·Science

Abstract

In the western tropical Pacific, the interannual migration of the Indonesian Low convective system causes changes in rainfall that dominate the regional signature of the El Niño—Southern Oscillation (ENSO) system. A 96-year oxygen isotope record from a Tarawa Atoll coral (1°N, 172°E) reflects regional convective activity through rainfall-induced salinity changes. This monthly resolution record spans twice the length of the local climatological record and provides a history of ENSO variability comparable in quality with those derived from instrumental climate data. Comparison of this coral record with a historical chronology of EI Niño events indicates that climate anomalies in coastal South America are occasionally decoupled from Pacific-wide ENSO extremes. Spectral analysis suggests that the distribution of variance in this record has shifted among annual to interannual periods during the present century, concurrent with observed changes in the strength of the Southern Oscillation.

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Metadata

Authors
Cole, J. E., Fairbanks, R. G., & Shen, G. T.
Venue
Science
Published
1993-06-18
Volume
260
Issue
5115
Pages
1790-1793
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1983113873
Cited by
340
References
1
FWCI
9.92
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Recent Variability in the Southern Oscillation: Isotopic Results from a Tarawa Atoll Coral. https://app.cochat.ai/papers/10.1126/science.260.5115.1790
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Cole, J. E., Fairbanks, R. G., & Shen, G. T. (1993). Recent Variability in the Southern Oscillation: Isotopic Results from a Tarawa Atoll Coral. Science. https://doi.org/10.1126/science.260.5115.1790

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