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

Physical Review Letters

Volumn 91, Issue 21, 2003, Pages

  Usoskin, Ilya G ^a   Solanki, Sami K ^b   Schüssler, Manfred ^b   Mursula, Kalevi ^c   Alanko, Katja ^c  

^a UNIVERSITY OF OULU   (Finland)

^b MAX PLANCK INSTITUT FÜR SONNENSYSTEMFORSCHUNG   (Germany)

^c UNIVERSITY OF OULU   (Finland)

Author keywords

[No Author keywords available]

Indexed keywords

BERYLLIUM COMPOUNDS; COSMIC RAYS; EXTRAPOLATION; ISOTOPES; MAGNETIC FLUX; SOLAR SYSTEM;

COSMOGENIC ISOTOPES; SUNSPOT NUMBER;

ASTROPHYSICS;

EID: 0347051512     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.91.211101     Document Type: Article

References (30)

1. S. Baliunas and R. Jastrow, Nature (London) 348, 520 (1990).10.1038/348520a0
2. R.C. Willson and H.S. Hudson, Nature (London) 351, 42 (1991).10.1038/351042a0
3. S.K. Solanki and M. Fligge, Geophys. Res. Lett. 25, 341 (1998).
4. J.A. Eddy, Science 192, 1189 (1976).
5. J.C. Ribes and E. Nesme-Ribes, Astron. Astrophys. 276, 549 (1993).
6. Yu.A. Nagovitsyn, Astron. Lett. 23, 742 (1997).
7. N.R. Rigozo, E. Echer, L.E.A. Vieira, and D.J.R. Nordemann, Sol. Phys. 203, 179 (2001).10.1023/A:1012745612022
8. D.J. Schove, J. Geophys. Res.JGREA2 60, 127 (1955).
9. J. Beer et al, Nature (London) 347, 164 (1990).10.1038/347164a0
10. P.E. Damon and C.P. Sonett, in The Sun in Time, edited by C.P. Sonett, M.S. Giampapa, and M.S. Matthews (University of Arizona Press, Tucson, 1991), p.�360.
11. J. Beer, Space Sci. Rev.SPSRA4 94, 53 (2000).
12. S.K. Solanki, M. Schüssler, and M. Fligge, Nature (London) 408, 445 (2000).10.1038/35044027
13. S.K. Solanki, M. Schüssler, and M. Fligge, Astron. Astrophys. 383, 706 (2002).10.1051/0004-6361:20011790
14. I.G. Usoskin, K. Alanko, K. Mursula, and G.A. Kovaltsov, Sol. Phys. 207, 389 (2002).10.1023/A:1016266801300
15. W.R. Webber and P.R. Higbie, J. Geophys. Res.JGREA210.1029/2003JA009863 108(A9), 1355 (2003).
16. J. Masarik and J. Beer, J. Geophys. Res.JGREA2 104(D10), 12099 (1999).
17. I.G. Usoskin, K. Mursula, S.K. Solanki, M. Schüssler, and G.A. Kovaltsov, J. Geophys. Res.JGREA210.1029/2002JA009343 107(A11), 1374 (2002).
18. I.G. Usoskin, K. Mursula, S.K. Solanki, M. Schüssler, and K. Alanko, astro-ph/0309556 [Astron. Astrophys. (to be published)].
19. E. Bard, G.M. Raisbeck, F. Yiou, and J. Jouzel, Earth Planet. Sci. Lett.EPSLA2 150, 453 (1997).10.1016/S0012-821X(97)00082-4
20. M. Stuiver and P. Quay, Science 207, 11 (1980).
21. M. Stuiver and T.F. Braziunas, Nature (London) 338, 405 (1989).10.1038/338405a0
22. J. Beer, S. Tobias, and N.O. Weiss, Sol. Phys. 181, 237 (1998).10.1023/A:1005026001784
23. I.G. Usoskin, K. Mursula, and G.A. Kovaltsov, J. Geophys. Res.JGREA2 106(A8), 16039 (2001).
24. K.L. Harvey, in The Solar Cycle, edited by K.L. Harvey, ASP Conf. Series Vol.�27 (Astronomical Society of the Pacific, San Francisco, 1992), p.�235.
25. D.V. Hoyt and K. Schatten, Sol. Phys. 179, 189 (1998).10.1023/A:1005007527816
26. S. Baumgartner, J. Beer, and H.A. Synal, Science 279, 1330 (1998).10.1126/science.279.5355.1330
27. M.E. Mann, R.S. Bradley, and M.K. Hughes, Geophys. Res. Lett. 26, 759 (1999).10.1029/1999GL900070
28. P.D. Jones, T.J. Osborn, and K.R. Briffa, Science 292, 662 (2001).10.1126/science.1059126
29. R.S. Bradley et al, Science 292, 2011 (2001).
30. Solar Variability and Climate, edited by E. Friis-Christensen, C. Fröhlich, J.D. Haigh, M. Schüssler, and R. von Steiger, Space Science Reviews Vol.�94 (Kluwer, Dordrecht, 2000).