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Climate and hydrographic variability in the Indo-Pacific Warm Pool during the last millennium


Modern Annual Average Sea Surface Temperature
Modern Annual Sea Surface Temperature
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Climate and hydrographic variability in the Indo-Pacific Warm Pool during the last millennium

Geophysical Research Letters
Vol. 33, L19710, 12 October 2006, doi:10.1029/2006GL027234.

Alicia Newton1, Robert Thunell1, and Lowell Stott2

1 Department of Geological Sciences, University of South Carolina, Columbia, South Carolina, USA.
2 Department of Earth Sciences, University of Southern California, Los Angeles, California, USA.

ABSTRACT:
Planktonic foraminiferal Mg/Ca and δ18O derived sea surface temperature and salinity records from the Makassar Strait, Indonesia, show a long- term cooling and freshening trend, as well as considerable centennial- scale variability during the last millennium. The warmest temperatures and highest salinities occurred during the Medieval Warm Period (MWP), while the coolest temperatures and lowest salinities occurred during the Little Ice Age (LIA). These changes in the western Pacific, along with observations from other high resolution records indicate a regionally coherent southern displacement of the Inter-tropical Convergence Zone during the LIA, with more arid conditions in the northern tropics and wetter conditions in the southern tropics.
Download data from the WDC Paleo archive:
High Resolution Oxygen Isotope and Mg/Ca Data and SST/SSS Reconstructions, Text or Excel format.

To read or view the full study, please visit the AGU website.
It was published in Geophysical Research Letters, Vol. 33, L19710, 12 October 2006, doi:10.1029/2006GL027234.
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