Interdecadal-decadal climate variability from multicoral oxygen isotope records in the South Pacific Convergence Zone region since 1650 A.D

In the South Pacific, interdecadal‐decadal oceanic and atmospheric variability, referred to as the Interdecadal Pacific Oscillation (IPO), is most pronounced in the South Pacific Convergence Zone (SPCZ) salinity front region. Here we have used annual average oxygen isotope (δ18O) time series from fi...

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Bibliographic Details
Published in:Paleoceanography 2008-06, Vol.23 (2), p.np-n/a
Main Authors: Linsley, Braddock K., Zhang, Peipei, Kaplan, Alexey, Howe, Stephen S., Wellington, Gerard M.
Format: Article
Language:English
Subjects:
coral δ18O
interdecadal-decadal climate variability
Marine
paleoclimatology
South Pacific Convergence Zone
Western Pacific Warm Pool
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Summary:In the South Pacific, interdecadal‐decadal oceanic and atmospheric variability, referred to as the Interdecadal Pacific Oscillation (IPO), is most pronounced in the South Pacific Convergence Zone (SPCZ) salinity front region. Here we have used annual average oxygen isotope (δ18O) time series from five coral cores collected from Fiji and Tonga in this region to construct a Fiji‐Tonga Interdecadal‐Decadal Pacific Oscillation (F‐T IDPO) index of low‐frequency (>9 and
ISSN:0883-8305
1944-9186
DOI:10.1029/2007PA001539