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Strong coherence between solar variability and the monsoon in Oman between 9 and 6 kyr ago

Author

Listed:
  • U. Neff

    (Heidelberg Academy of Sciences)

  • S. J. Burns

    (Geological Institute, University of Bern
    University of Massachusetts)

  • A. Mangini

    (Heidelberg Academy of Sciences)

  • M. Mudelsee

    (Institute of Meteorology, University of Leipzig)

  • D. Fleitmann

    (Geological Institute, University of Bern)

  • A. Matter

    (Geological Institute, University of Bern)

Abstract

Variations in the amount of solar radiation reaching the Earth are thought to influence climate, but the extent of this influence on timescales of millennia to decades is unclear. A number of climate records show correlations between solar cycles and climate1, but the absolute changes in solar intensity over the range of decades to millennia are small2 and the influence of solar flux on climate is not well established. The formation of stalagmites in northern Oman has recorded past northward shifts of the intertropical convergence zone3, whose northward migration stops near the southern shoreline of Arabia in the present climate4. Here we present a high-resolution record of oxygen isotope variations, for the period from 9.6 to 6.1 kyr before present, in a Th–U-dated stalagmite from Oman. The δ18O record from the stalagmite, which serves as a proxy for variations in the tropical circulation and monsoon rainfall, allows us to make a direct comparison of the δ18O record with the Δ14C record from tree rings5, which largely reflects changes in solar activity6,7. The excellent correlation between the two records suggests that one of the primary controls on centennial- to decadal-scale changes in tropical rainfall and monsoon intensity during this time are variations in solar radiation.

Suggested Citation

  • U. Neff & S. J. Burns & A. Mangini & M. Mudelsee & D. Fleitmann & A. Matter, 2001. "Strong coherence between solar variability and the monsoon in Oman between 9 and 6 kyr ago," Nature, Nature, vol. 411(6835), pages 290-293, May.
    • Handle: RePEc:nat:nature:v:411:y:2001:i:6835:d:10.1038_35077048
    DOI: 10.1038/35077048
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    Cited by:

    1. Ye Tian & Dominik Fleitmann & Qiong Zhang & Lijuan Sha & Jasper. A. Wassenburg & Josefine Axelsson & Haiwei Zhang & Xianglei Li & Jun Hu & Hanying Li & Liang Zhao & Yanjun Cai & Youfeng Ning & Hai Che, 2023. "Holocene climate change in southern Oman deciphered by speleothem records and climate model simulations," Nature Communications, Nature, vol. 14(1), pages 1-10, December.
    2. Bas van Geel & Peter A. Ziegler, 2013. "Ipcc Underestimates the Sun's Role in Climate Change," Energy & Environment, , vol. 24(3-4), pages 431-453, June.
    3. Ian R. G. Wilson, 2009. "Can we Predict the Next Indian Mega-Famine?," Energy & Environment, , vol. 20(1), pages 11-24, January.
    4. Theodor Landscheidt, 2003. "New Little ICE Age Instead of Global Warming?," Energy & Environment, , vol. 14(2-3), pages 327-350, May.
    5. Shani, Amir & Arad, Boaz, 2014. "Climate change and tourism: Time for environmental skepticism," Tourism Management, Elsevier, vol. 44(C), pages 82-85.

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