Solar activity during the Holocene: the Hallstatt cycle and its consequence for grand minima and maxima⋆

Author： Usoskin I. G.   Gallet Y.   Lopes F.   Kovaltsov G. A.   Hulot G.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|587|issue|A150-A150

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.587, Iss.issue, 2016-03, pp. : A150-A150

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Abstract

Aims. Cosmogenic isotopes provide the only quantitative proxy for analyzing the long-term solar variability over a centennial timescale. While essential progress has been achieved in both measurements and modeling of the cosmogenic proxy, uncertainties still remain in the determination of the geomagnetic dipole moment evolution. Here we aim at improving the reconstruction of solar activity over the past nine millennia using a multi-proxy approach.

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