Ra» Spectrol Lines 



Smoothed Spectrum 



Water Level Vorionce = 23.3ft' 



Vorionce Approx. Equals 2js(f)df 



0.15 0.20 0.25 



Frequency (c/s) 



Figure 7. Hurricane Carla spectrum record number 6882, 

 1200 hours, 9 September 1961. 





r 



!!!! 













400 



- 



• 









Row Spectrol Lines 

 Smootlied Spectrum 

 Water Level Vorionce 



= 25 4ft' 



3U0 



- 



i 









Vorionce Approx . Equ 



ols 2/s(f)df 

 



200 



- 



A 



' 











100 



- 





i." ..' 



... 1 • , 

 >• 



^ 



rar»4r-'Jr5^ATT*=^^-+^ 



_ . 1 1 



0.15 020 025 



Friquercy(c/s) 



Figure 8. Hurricane Carla spectrum record number 6883, 

 1500 hours, 9 September 1961. 



22 



