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Stable sea surface temperatures in the western Pacific warm pool over the past 1.75 million years

Author

Listed:
  • Thibault de Garidel-Thoron

    (Institute of Marine and Coastal Sciences-Rutgers University)

  • Yair Rosenthal

    (Institute of Marine and Coastal Sciences-Rutgers University
    Department of Geological Sciences-Rutgers University)

  • Franck Bassinot

    (Laboratoire des Sciences du Climat et de l'Environnement–CEA)

  • Luc Beaufort

    (CEREGE-CNRS Université Aix-Marseille 3)

Abstract

Sea change for climate The first high-resolution record of Pleistocene climate changes from the western Pacific warm pool provides important information about climate change in the region, and will have implications for our understanding of how Earth's climate went into the mode of glacial/interglacial transition that has persisted for the past 800,000 years. The record uses Mg/Ca ratios in planktonic foraminifera as a proxy of sea surface temperatures during the past 1.75 million years. The results reveal a long period of stability in the region, which is not consistent with a gradual decrease in atmospheric CO2 as the trigger for glaciation. Rather, redistribution of Pacific sea surface temperatures by changes in zonal circulation could have affected the global climate, supporting recent concerns about the responses of the tropics to future changes.

Suggested Citation

  • Thibault de Garidel-Thoron & Yair Rosenthal & Franck Bassinot & Luc Beaufort, 2005. "Stable sea surface temperatures in the western Pacific warm pool over the past 1.75 million years," Nature, Nature, vol. 433(7023), pages 294-298, January.
    • Handle: RePEc:nat:nature:v:433:y:2005:i:7023:d:10.1038_nature03189
    DOI: 10.1038/nature03189
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    Cited by:

    1. Yancheng Zhang & Xufeng Zheng & Deming Kong & Hong Yan & Zhonghui Liu, 2021. "Enhanced North Pacific subtropical gyre circulation during the late Holocene," Nature Communications, Nature, vol. 12(1), pages 1-10, December.

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