List of Tables

Table 1:
Approximate dates (in –BC/AD) of grand minima in reconstructed solar activity.
Table 2:
Approximate dates (in –BC/AD) of grand maxima in the SN-L series. (after Usoskin et al., 2007).
Table 3:
Estimates of 4 π omni-directional integral (above 30 MeV) flux, F30 in [cm2 s]–1, of solar energetic particles, obtained from different sources.