Figures and Tables : Unusual activity of the Sun during recent decades compared to the previous 11,000 years : Nature

From the following article:

Unusual activity of the Sun during recent decades compared to the previous 11,000 years

S. K. Solanki, I. G. Usoskin, B. Kromer, M. Schüssler and J. Beer

Nature 431, 1084-1087(28 October 2004)

doi:10.1038/nature02995

Figure 1

Atmospheric radiocarbon level Delta ¹⁴C (expressed as deviation, in $permil$ , from the ad 1950 standard level¹⁵) derived from mostly decadal samples of absolutely dated tree-ring chronologies (INTCAL98 data set)¹⁶.

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Figure 2

Comparison between directly measured sunspot number (SN) and SN reconstructed from different cosmogenic isotopes.

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Figure 3

Reconstructed sunspot number and its uncertainty for the whole interval of time considered.

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Figure 4

Distribution of the duration of episodes of high solar activity and the probability that the current episode will reach a given duration.

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