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Tracking the Atlantic Multidecadal Oscillation through the last 8,000 years

Author

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  • Mads Faurschou Knudsen

    (Centre for Past Climate Studies, Aarhus University)

  • Marit-Solveig Seidenkrantz

    (Centre for Past Climate Studies, Aarhus University)

  • Bo Holm Jacobsen

    (Centre for Past Climate Studies, Aarhus University)

  • Antoon Kuijpers

    (Geological Survey of Denmark and Greenland (GEUS))

Abstract

Understanding the internal ocean variability and its influence on climate is imperative for society. A key aspect concerns the enigmatic Atlantic Multidecadal Oscillation (AMO), a feature defined by a 60- to 90-year variability in North Atlantic sea-surface temperatures. The nature and origin of the AMO is uncertain, and it remains unknown whether it represents a persistent periodic driver in the climate system, or merely a transient feature. Here, we show that distinct, ∼55- to 70-year oscillations characterized the North Atlantic ocean-atmosphere variability over the past 8,000 years. We test and reject the hypothesis that this climate oscillation was directly forced by periodic changes in solar activity. We therefore conjecture that a quasi-persistent ∼55- to 70-year AMO, linked to internal ocean-atmosphere variability, existed during large parts of the Holocene. Our analyses further suggest that the coupling from the AMO to regional climate conditions was modulated by orbitally induced shifts in large-scale ocean-atmosphere circulation.

Suggested Citation

  • Mads Faurschou Knudsen & Marit-Solveig Seidenkrantz & Bo Holm Jacobsen & Antoon Kuijpers, 2011. "Tracking the Atlantic Multidecadal Oscillation through the last 8,000 years," Nature Communications, Nature, vol. 2(1), pages 1-8, September.
    • Handle: RePEc:nat:natcom:v:2:y:2011:i:1:d:10.1038_ncomms1186
    DOI: 10.1038/ncomms1186
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    Cited by:

    1. Nasri, Bouchra R. & Rémillard, Bruno N. & Bouezmarni, Taoufik, 2019. "Semi-parametric copula-based models under non-stationarity," Journal of Multivariate Analysis, Elsevier, vol. 173(C), pages 347-365.
    2. Chen, Li & Gao, Jiti & Vahid, Farshid, 2022. "Global temperatures and greenhouse gases: A common features approach," Journal of Econometrics, Elsevier, vol. 230(2), pages 240-254.
    3. Alexey A. Lyubushin & Leonid B. Klyashtorin, 2012. "Short Term Global Dt Prediction Using (60–70)-Years Periodicity," Energy & Environment, , vol. 23(1), pages 75-85, January.
    4. John Beghin, 2015. "Assessing Food Security in Tanzania in the Next Decade," Center for Agricultural and Rural Development (CARD) Publications apr-winter-2015-1, Center for Agricultural and Rural Development (CARD) at Iowa State University.
    5. Parker Albert & Ollier Clifford, 2021. "The Atlantic Meridional Overturning Circulation is not collapsing," Quaestiones Geographicae, Sciendo, vol. 40(3), pages 163-167, September.
    6. Bruce E Kurtz, 2015. "The Effect of Natural Multidecadal Ocean Temperature Oscillations on Contiguous U.S. Regional Temperatures," PLOS ONE, Public Library of Science, vol. 10(6), pages 1-12, June.
    7. Nicola Scafetta, 2013. "Solar and Planetary Oscillation Control on Climate Change: Hind-Cast, Forecast and a Comparison with the Cmip5 Gcms," Energy & Environment, , vol. 24(3-4), pages 455-496, June.
    8. Simon L. L. Michel & Didier Swingedouw & Pablo Ortega & Guillaume Gastineau & Juliette Mignot & Gerard McCarthy & Myriam Khodri, 2022. "Early warning signal for a tipping point suggested by a millennial Atlantic Multidecadal Variability reconstruction," Nature Communications, Nature, vol. 13(1), pages 1-14, December.

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