Beach Line 



'Breakers 



»*JL-'X«'L^xxx,xxxr;x)i»^*»* _x1 



Figure 2-23. Refraction Along a Straight Beach with Parallel 

 Bottom Contours 



Beach Line 



Contours 



Orthogonals 



Beach Line 



Contours 



Orthogonals 



(a) (b) 



Figure 2-24. Refraction by a Submarine Ridge (a) and Submarine 

 Canyon (b) 



Figure 2-25. Refraction Along an Irregular Shoreline 



2-77 



