(a)
(b)
(c)
(d)
Figure 4:
Fitting the data of PSD at LONF1. Dot line: measured PSD, solid line: theoretical PSD. (a) Fitting the data for S_lonf1_1998
(b) Fitting the data for S_lonf1_1999
(c) Fitting the data for S_lonf1_2002
(d) Fitting the data for S_lonf1_2005