100 



90 



80 



70 

 a> 

 o 



£ 60 



5 50 

 o 



o 



^ 40 



30 

 20 

 10 - 

 



a. Ventnor, New Jersey (1965) 



9 10 



Ts(s) 



13 



100 



~ 





















90 



- 







80 



- 







70 



- 



b. Nogs Head, 



North Carolina (1964) 



S 60 



§ 50 

 O 



- 







T3 ^0 



CL 



~ 







30 



1 











20 



















10 

 













1 



12 



13 



Ts(s) 



Figure 22. Distribution of wave periods during tests at Ventnor and 

 Nags Head. 



40 



