100,000 rr 



10,000 - 



1,000 — 



0.00 0.05 0.10 0.15 0.20 



FREQUENCY (CPM) 



0.25 



0.30 



0.35 



Figure 32. Total power spectrum in the band between 0.05 to 0.30 cpm. Data are from 

 half-minute readings of depth of '9 C isotherm (Section Q, fig. 15). 



62 



