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ENSO and interdecadal climate variability over the last century documented by geochemical records of two coral cores from the South West Pacific
Ourbak, T.; Corrège, T.; Malaizé, B.; Le Cornec, F.; Charlier, K.; Peypouquet, J.P. (2006). ENSO and interdecadal climate variability over the last century documented by geochemical records of two coral cores from the South West Pacific. Adv. Geosci. 6: 23-27
In: Advances in Geosciences. Copernicus Publications: Göttingen. ISSN 1680-7340, more
Peer reviewed article  

Available in Authors 

Keywords
    Climatic changes; El Nino phenomena; Southern oscillation; ISEW, South Pacific [Marine Regions]; Marine

Authors  Top 
  • Ourbak, T.
  • Corrège, T.
  • Malaizé, B.
  • Le Cornec, F.
  • Charlier, K.
  • Peypouquet, J.P.

Abstract
    The south west Pacific is affected by climatic phenomena such as ENSO (El Niño Southern Oscillation) or the PDO (Pacific Decadal Oscillation). Near-monthly resolution calibrations of Sr/Ca, U/Ca and d18Oc were made on corals taken from New Caledonia and Wallis Island. These geochemical variations could be linked to SST (sea surface temperature) and SSS (sea surface salinity) variations over the last two decades, itselves dependent on ENSO occurrences. On the other hand, near-half-yearly resolution over the last century smoothes seasonal and interannual climate signals, but emphasizes low frequency climate variability.

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