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Interannual atmospheric variability forced by the deep equatorial Atlantic Ocean

Author

Listed:
  • Peter Brandt

    (IFM-GEOMAR, Leibniz-Institut für Meereswissenschaften an der Universität Kiel, Düsternbrooker Weg 20)

  • Andreas Funk

    (IFM-GEOMAR, Leibniz-Institut für Meereswissenschaften an der Universität Kiel, Düsternbrooker Weg 20)

  • Verena Hormann

    (IFM-GEOMAR, Leibniz-Institut für Meereswissenschaften an der Universität Kiel, Düsternbrooker Weg 20
    Present address: Cooperative Institute for Marine and Atmospheric Studies, University of Miami, and National Oceanic and Atmospheric Administration/Atlantic Oceanographic and Meteorological Laboratory, Miami, Florida 33149, USA.)

  • Marcus Dengler

    (IFM-GEOMAR, Leibniz-Institut für Meereswissenschaften an der Universität Kiel, Düsternbrooker Weg 20)

  • Richard J. Greatbatch

    (IFM-GEOMAR, Leibniz-Institut für Meereswissenschaften an der Universität Kiel, Düsternbrooker Weg 20)

  • John M. Toole

    (Woods Hole Oceanographic Institution)

Abstract

Atlantic Ocean seasonality Tropical Atlantic climate variability, in particular the strength and location of rainfall in the countries surrounding the tropical Atlantic, is very sensitive to changes in sea surface temperatures. New observations from the equatorial Atlantic link variations in sea surface temperature, wind and rainfall to variations in the velocity of deep equatorial jets. Cycles in the behaviour of the jets are propagated from the deep ocean to surface waters with a characteristic variability of about 4.5 years. The cyclic variability is not present at all times, but nonetheless reveals an important influence of intrinsic ocean variability on surface ocean climate, and points towards possible improvements in forecasting the state of the equatorial Atlantic Ocean.

Suggested Citation

  • Peter Brandt & Andreas Funk & Verena Hormann & Marcus Dengler & Richard J. Greatbatch & John M. Toole, 2011. "Interannual atmospheric variability forced by the deep equatorial Atlantic Ocean," Nature, Nature, vol. 473(7348), pages 497-500, May.
    • Handle: RePEc:nat:nature:v:473:y:2011:i:7348:d:10.1038_nature10013
    DOI: 10.1038/nature10013
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