Grand minima and maxima of solar activity: new observational constraints

@article{Usoskin2007GrandMA,
  title={Grand minima and maxima of solar activity: new observational constraints},
  author={I. Usoskin and S. Solanki and G. Kovaltsov},
  journal={Astronomy and Astrophysics},
  year={2007},
  volume={471},
  pages={301-309}
}
  • I. Usoskin, S. Solanki, G. Kovaltsov
  • Published 2007
  • Physics
  • Astronomy and Astrophysics
  • Aims. Using a reconstruction of sunspot numbers stretching over multiple millennia, we analyze the statistics of the occurrence of grand minima and maxima and set new observational constraints on long-term solar and stellar dynamo models. Methods. We present an updated reconstruction of sunspot number over multiple millennia, from 14 C data by means of a physicsbased model, using an updated model of the evolution of the solar open magnetic flux. A list of grand minima and maxima of solar… CONTINUE READING
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