Sample values of E e /K for various combinations of 



S* 9 = 0° 15° 30° 60° 



4 

 12 



37 



1.000 

 1.000 

 1.000 



0.934 

 0.814 

 0.530 



0.758 

 0.435 

 0.077 



0.316 

 0.032 

 0.000 



and S J 

 90° 



0.063 



0.0003 

 0.000 



Dominant Wave 

 Direction 



XI 



Energy Distribution With Direction 

 Approximated By Breoking The Circle 

 Into 4,000 Segments, l 



Assumed Deepwater Wove 

 Energy Distribution 



E e = K [cos(-f-)]' 



Nearshore: 



K D = 



»on"( 



; N = 4,000 

 , alongshore energy 



onshore energy 



■) 



iiUi-.Sfioreiine?:: 



Figure 1. Wave refraction including directional spreading 

 of wave energy. 



11 



