Download Relating the solar activity to climate variations has a long

Relating the solar activity to climate variations has a long history. Several thousands of
papers have been published.
The 22-yr periodicity in areal drought over the western United States is very well
correlated with correlated with the Hale sunspot cycle which governs the orientation of
the interplanetary magnetic field.
Both the Sun and the Earth exhibit complex, multifaceted, nonlinear, nonstationary
varibilities. Neither entities are yet understood sufficiently well to define the causes of
their individual variabilities or the impacts of theone on the other.