SUMMER POSITIONS 

 11977 - 1983) 



tiiiiuiiiiiii Seawall 

 Blocks 



a. Summer shoreline positions 











WINTER 



POSITIONS 





p 









11977 



- 1982) 





„ 400 















>- 



z 



O 300 



in 



8i\ 



V 









/ 



o 



200 

 Id 



Z 







/ 



Short groin 







-1 



g 100 



in 



\ \ 



^ 



-V 





f^^ 



Tinuinnm Seawall 







"^z^_— 



~~ > ~ = ^—-& 















^*^ 







b. Winter shoreline positions 



c. Shoreline positions in four seasons 



Figure 2. Shoreline change near a long groin 



18 



