• DOI:10.1103/PhysRevLett.91.211101
Corpus ID: 20754479

Millennium-scale sunspot number reconstruction: evidence for an unusually active sun since the 1940s.

@article{Usoskin2003MillenniumscaleSN,
  title={Millennium-scale sunspot number reconstruction: evidence for an unusually active sun since the 1940s.},
  author={I. Usoskin and S. Solanki and M. Schuessler and K. Mursula and K. Alanko},
  journal={Physical review letters},
  year={2003},
  volume={91 21},
  pages={
          211101
        }
}

I. Usoskin, S. Solanki, +2 authors K. Alanko

Published 2003

Physics, Medicine

Physical review letters

The extension of the sunspot number series backward in time is of considerable interest for dynamo theory, solar, stellar, and climate research. We have used records of the (10)Be concentration in polar ice to reconstruct the average sunspot activity level for the period between the year 850 to the present. Our method uses physical models for processes connecting the (10)Be concentration with the sunspot number. The reconstruction shows reliably that the period of high solar activity during the… CONTINUE READING

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