20 
15 
% Occurrence 
5 10 
% Occurrence 
3.0 60 9.0 120 15.0 180 30 60 9.0 12.0 15.0 18.0 
Tp (sec) Tp (sec) 
0 
20 
15 
% Occurrence 
5 10 
% Occurrence 
10) 
3.0 6.0 9.0 12.0 15.0 18.0 : 9.0 12.0 15.0 18.0 
Tp (sec) Tp (sec) 
112.5 deg 
o 
N 
w 
- 
co) © 
3) Oo 
c (2 
e E 
5} 3 
oO oO 
oO oO 
Oo (@) 
IN R 
nw 
0 
12.0 15.0 18.0 0 6. y 0 15.0 
Tp (sec) 
% Occurrence 
10 15 20 
% Occurrence 
5 
3.0 6.0 9.0 12.0 15.0 180 3.0 60 9.0 12.0 15.0 18.0 
Tp (sec) Tp (sec) 
Figure 13. Histograms of wave-period distribution by direction (Long Branch 
gauge) 
Chapter 2 Waves Focusing by Shrewsbury Rocks 
15 
