Shoreline 



Breakers 



»*i )""* XXX XlK'lxH* _%** _xx 



Figure 2-23. Refraction along a straight beach with parallel 

 bottom contours. 



Shoreline 



fours 



(b) 



Figure 2-24. Refraction by a submarine ridge (a) and submarine canyon (b) 



Contours-^ Orthogonals 



Figure 2-25. Refraction along an irregular shoreline. 



2-73 



