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Possible solar origin of the 1,470-year glacial climate cycle demonstrated in a coupled model

Author

Listed:
  • Holger Braun

    (University of Heidelberg)

  • Marcus Christl

    (University of Heidelberg)

  • Stefan Rahmstorf

    (Potsdam Institute for Climate Impact Research)

  • Andrey Ganopolski

    (Potsdam Institute for Climate Impact Research)

  • Augusto Mangini

    (University of Heidelberg)

  • Claudia Kubatzki

    (Alfred Wegener Institute for Polar and Marine Research)

  • Kurt Roth

    (University of Heidelberg)

  • Bernd Kromer

    (University of Heidelberg)

Abstract

Follow the Sun Dansgaard–Oeschger events are rapid climate fluctuations that occurred during and at the end of the last ice age with remarkable regularity: there were 23 such events between 110,000 and 23,000 years bp, with a periodicity of 1,470 years. Identify the source of this cycle, and it should be possible to say what triggered these events. The Sun had been excluded as a possible cause because of the lack of a 1,470-year spectral contribution in records of solar variability. Despite this, Braun et al. present a new hypothesis that convincingly explains the 1,470-year period as the net result of two well known solar cycles, the DeVries and Gleissberg cycles, with periods of 210 years and 87 years.

Suggested Citation

  • Holger Braun & Marcus Christl & Stefan Rahmstorf & Andrey Ganopolski & Augusto Mangini & Claudia Kubatzki & Kurt Roth & Bernd Kromer, 2005. "Possible solar origin of the 1,470-year glacial climate cycle demonstrated in a coupled model," Nature, Nature, vol. 438(7065), pages 208-211, November.
    • Handle: RePEc:nat:nature:v:438:y:2005:i:7065:d:10.1038_nature04121
    DOI: 10.1038/nature04121
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    Cited by:

    1. W. M. Schaffer, 2009. "A Surfeit of Cycles," Energy & Environment, , vol. 20(6), pages 985-996, October.
    2. Lulu Qi & Zhilong Guo & Zhongxiang Qi & Jijun Guo, 2022. "Prospects of Precipitation Based on Reconstruction over the Last 2000 Years in the Qilian Mountains," Sustainability, MDPI, vol. 14(17), pages 1-15, August.

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