Persistent Solar Influence on North Atlantic Climate During the Holocene

Author:

Bond Gerard1,Kromer Bernd2,Beer Juerg3,Muscheler Raimund3,Evans Michael N.4,Showers William5,Hoffmann Sharon1,Lotti-Bond Rusty1,Hajdas Irka6,Bonani Georges6

Affiliation:

1. Lamont-Doherty Earth Observatory of Columbia University, Route 9W, Palisades, NY 10964, USA.

2. Heidelberg Academy of Sciences, Institute of Environmental Physics, INF 229, D-69120 Heidelberg, Germany.

3. Eidgenössische Anstalt für Wasserversorgung, Abwasswerreinigung und Gewuässerschutz, Ueberlandstrasse 133, Postfach 611, CH-8600 Duebendorf, Switzerland.

4. Laboratory of Tree-Ring Research, University of Arizona, 105 West Stadium, Tucson, AZ 8572, USA.

5. Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, 1125 Jordan Hall, Raleigh, NC 27695–8208, USA.

6. Accelerator Mass Spectrometry

Abstract

Surface winds and surface ocean hydrography in the subpolar North Atlantic appear to have been influenced by variations in solar output through the entire Holocene. The evidence comes from a close correlation between inferred changes in production rates of the cosmogenic nuclides carbon-14 and beryllium-10 and centennial to millennial time scale changes in proxies of drift ice measured in deep-sea sediment cores. A solar forcing mechanism therefore may underlie at least the Holocene segment of the North Atlantic's “1500-year” cycle. The surface hydrographic changes may have affected production of North Atlantic Deep Water, potentially providing an additional mechanism for amplifying the solar signals and transmitting them globally.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference75 articles.

1. A Pervasive Millennial-Scale Cycle in North Atlantic Holocene and Glacial Climates

2. G. C. Bond et al. in Mechanisms of Global Climate Change at Millennial Time Scales P. Clark R. Webb L. D. Keigwin Eds. (Geophysical Monograph Series 112 American Geophysical Union Washington DC 1999) pp. 35–58.

3. M. Friedrich B. Kromer M. Spurk J. Hofmann K. Kaiser Quat. Int. 61 (1999).

4. The Impact of Solar Variability on Climate

5. Solar Cycle Variability, Ozone, and Climate

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