Six Temperature Proxies of Scots Pine from the Interior of Northern Fennoscandia Combined in Three Frequency Ranges

Figure 2

C.i. for the mean l-f series (RCS, low-pass filtering; (a)), for the m-f series (low-pass filtering of the six 180-year spline indexed series; (b)) and the average of h-f series (30-year splines, without low-pass filtering; (c)).

(a)

(b)

(c)