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A proxy index of ENSO teleconnections

Author

Listed:
  • M. N. Evans

    (Lamont-Doherty Earth Observatory of Columbia University
    Columbia University)

  • R. G. Fairbanks

    (Lamont-Doherty Earth Observatory of Columbia University
    Columbia University)

  • J. L. Rubenstone

    (Lamont-Doherty Earth Observatory of Columbia University)

Abstract

Variations in central and eastern equatorial sea surface temperatures are linked to extratropical climate changes by atmospheric heat and moisture fluxes in so-called ‘teleconnection’ patterns1,2. Estimates of sea surface temperature (SST) anomaly may be derived from the isotopic composition and minor-element chemistry of aragonite formed by annually banded reef corals. Here we reconstruct anomalies in central equatorial Pacific SSTs for 1938-93 from the stable oxygen isotope (δ18O) composition of a coral collected at Kiritimati (Christmas) Island, Republic of Kiribati (157.3° W, 2° N). We recover not only the regional anomaly in SST, but also extratropical climate information in climatically teleconnected regions.

Suggested Citation

  • M. N. Evans & R. G. Fairbanks & J. L. Rubenstone, 1998. "A proxy index of ENSO teleconnections," Nature, Nature, vol. 394(6695), pages 732-733, August.
    • Handle: RePEc:nat:nature:v:394:y:1998:i:6695:d:10.1038_29424
    DOI: 10.1038/29424
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    Cited by:

    1. Feng Zhu & Julien Emile-Geay & Kevin J. Anchukaitis & Gregory J. Hakim & Andrew T. Wittenberg & Mariano S. Morales & Matthew Toohey & Jonathan King, 2022. "A re-appraisal of the ENSO response to volcanism with paleoclimate data assimilation," Nature Communications, Nature, vol. 13(1), pages 1-9, December.

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