Complete onshore-offshore 

 exchange 



-10 -9 -8 -7 -6 -5 



-4-3-2-10 1 2 3 4 5 6 7 8 9 



Beoch Change (yd^/ft) 



Figure 57. Beach versus nearshore volume changes at profile line III, 

 Boca Raton. 



85 



