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How unusual is today's solar activity?

Raimund Muscheler (), Fortunat Joos, Simon A. Müller and Ian Snowball
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Raimund Muscheler: National Center for Atmospheric Research, Paleoclimatology
Fortunat Joos: Climate and Environmental Physics, Physics Institute, University of Bern
Simon A. Müller: Climate and Environmental Physics, Physics Institute, University of Bern
Ian Snowball: GeoBiosphere Science Centre, Quaternary Sciences, Lund University

Nature, 2005, vol. 436, issue 7050, E3-E4

Abstract: Abstract Arising from: S. K. Solanki, I. G. Usoskin, B. Kromer, M. Schüssler & J. Beer Nature 431, 1084–1087 (2004); Solanki et al. reply . To put global warming into context requires knowledge about past changes in solar activity and the role of the Sun in climate change. Solanki et al.1 propose that solar activity during recent decades was exceptionally high compared with that over the preceding 8,000 years. However, our extended analysis of the radiocarbon record reveals several periods during past centuries in which the strength of the magnetic field in the solar wind was similar to, or even higher than, that of today.

Date: 2005
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DOI: 10.1038/nature04045

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