_ 35 

 o 



> 



c 30 



10 

 O 



^ 25 



(D 



a. 



£20 

 o 



"5 



® I 5 



n 



O 



o 10 









Total Observations 

 ^=4.83 



= 43 











Total Observations 

 ^=44.25 



= 688 











-/ = 



1.99 













a^2 = 883 











































































































- 





— 1 



^-^ 



r-| 







































ItttQ 



4 5 6 



Wave Height, in. 



20 



40 60 80 100 

 Wave Height, cm 



120 140 



Figure 3a - Frequency Distribution of Measured Wave Figure 3b - Frequency Distribution of Wave Heights at 



Heights Produced by TMB Wavemaker to Simulate a Sea as Measured by a Pressure Recorder 



Confused Sea ,,, u ■ i... t ir, ■ ■ j ■ . , , 



All wave heights for a 30-min period are included. 



Figure 3 - Frequency Distributions of Measured Wave Heights 



bU 



























Total Observations = 



3090 









° „, 









Total Observations = 237 

 Total Time Duration = 1 month 

 of Sampling _ 



^ = 6.29 ft 



a/ = 7.28 ft2 







^=2.45 ft 



cr,2=1.38ft2 



i 40 



c 



8 35 



2 

 o 







































t30 

 .2 25 



































































« 





S 20 











































^15 



•s 

























































































^ 



~ 



— 







l— 

















-r 





n 

































4 6 8 10 12 14 



Significant Wave Height, ft 



6 8 10 12 14 16 18 



Pitch Angle, deg (Peak to Peok) 



Figure 4 - Frequency of Wave Heights Observed and Pitch Angles Recorded on the 

 USCGC CASCO at 3-hr Intervals over a One-Month Period at Ocean Station "Charlie' 



X is the mean and ff is the variance 



