Statistical Effects in the Solar Activity Cycles during AD 1823–1996

Figure 2

Different statistical effects in Wolf number cycles 7–22: (a) Gnevyshev-Ohl GO1; (b) Gnevyshev-Ohl GO2; (c) Waldmeier W1; (d) Waldmeier W2; (d) amplitude-period AP1; (f) amplitude-period AP2. A standard deviation from the linear fit is shown with dotted lines.

(a)

(b)

(c)

(d)

(e)

(f)