120 

 HO 

 100 

 90 

 80 

 70 

 60 

 50 

 40 



"i — f m r n i r-i~rTTT» rp' — r-rrTrrrn 



— Off Ft. Louderdole, Flo, Ktvjtfeen (5)' 



"—- Scotior. S1«lf, PiggotV (15) 



— — — ~ Average of seven Pocif ic Oceon 

 locotions, Wenz (4 ) 



JAU 111 JL_LaJJL!JU. 



10,000 100,000 



Figure 6e Ambient noise spectra at coastal locations with 

 wind speed as a parameter (Urick, 1975). 



G-49 



