BEACH gOTTOM 



BEACH IS USUALLY VERY FLAT 



SPHUHB BB£A£S 



SKETCH SHOWING THE GENERAL CHARACTER 

 OF SPILLING BREAKERS 



SKETCH SHOWING THE GENERAL CHARACTER 

 OF PLUNGING BREAKERS 



SDBGIKG BBZMS 



SKETCH SHOWING THE GENERAL CHARACTER 

 OF SURGING BREAKERS 



Both Photographs And Diagrams Of The Three Types Of Breakers Are 

 Presented Above. The Sketches Consist Of A Series Of Profiles Of The 

 Wave Form As It Appears Before Breaking, During The Breaking, And 

 After Breaking. The Numbers Opposite The Profile Lines Indicate The 

 Relative Times Of The Occurrences. 



FIGURE A-4 BREAKER TYPES 



A-44 



