Articles | Volume 14, issue 8
Research article
15 Aug 2018
Research article |  | 15 Aug 2018

Solar and volcanic forcing of North Atlantic climate inferred from a process-based reconstruction

Jesper Sjolte, Christophe Sturm, Florian Adolphi, Bo M. Vinther, Martin Werner, Gerrit Lohmann, and Raimund Muscheler

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Manuscript not accepted for further review
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Cited articles

Adolphi, F., Muscheler, R., Svensson, A., Aldahan, A., Possnert, G., Beer, J., Sjolte, J., Bjorck, S., Matthes, K., and Thieblemont, R.: Persistent link between solar activity and Greenland climate during the Last Glacial Maximum, Nat. Geosci., 7, 662–666,, 2014. a, b
Andrews, M. B., Knight, J. R., and Gray, L. J.: A simulated lagged response of the North Atlantic Oscillation to the solar cycle over the period 1960–2009, Environ. Res. Lett., 10, 054022,, 2015. a
Bond, G., Kromer, B., Beer, J., Muscheler, R., Evans, M., Showers, W., Hoffmann, S., Lotti-Bond, R., Hajdas, I., and Bonani, G.: Persistent solar influence on north Atlantic climate during the Holocene, Science, 294, 2130–2136,, 2001. a
Bretagnon, P. and Francou, G.: Planetary theories in rectangular and spherical variables – vsop-87 solutions, Astron. Astrophys., 202, 309–315, 1988. a
Cayan, D. R.: Latent and sensible heat-flux anomalies over the northern oceans – Driving the sea-surface temperature, J. Phys. Oceanogr., 22, 859–881,<0859:LASHFA>2.0.CO;2, 1992. a

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Short summary
Tropical volcanic eruptions and variations in solar activity have been suggested to influence the strength of westerly winds across the North Atlantic. We use Greenland ice core records together with a climate model simulation, and find stronger westerly winds for five winters following tropical volcanic eruptions. We see a delayed response to solar activity of 5 years, and the response to solar minima corresponds well to the cooling pattern during the period known as the Little Ice Age.