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

  title={Solar activity during the Holocene: the Hallstatt cycle and its consequence for grand minima and maxima},
  author={I. Usoskin and Y. Gallet and F. Lopes and G. Kovaltsov and G. Hulot},
  journal={Astronomy and Astrophysics},
  • I. Usoskin, Y. Gallet, +2 authors G. Hulot
  • Published 2016
  • Physics
  • Astronomy and Astrophysics
  • 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 improve the reconstruction of solar activity over the past nine millennia using a multi-proxy approach. We used records of the 14C and 10Be cosmogenic isotopes… CONTINUE READING
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