■;/:3[<^ Updrift Shoreline 



Littoral Barrier 



y-Littoral barr 

 3 (Jetty) 



_ flood ^7 " 



Downdrift Stioreline 



TYPE I. JETTIED INLET 



Updrift Shoreline 



5" Littoral Barrier 

 (Offshore Breakwater) 



Downdrift Shoreline 



TYPE n. JETTIED INLET AND 

 OFFSHORE BREAKWATER 



impounding Zone 

 (First Stoge) 



Li ttoral Barrier 



(Shore connected 

 Breakwater) 



■Updrift Shoreline 



■Low Sill (Weir) 



Breakwater 



Downdrift Shoreline 



TYPE nr. SHORE 

 CONNECTED BREAKWATER 

 (Impounding Zone at Seaward 



End of Breakwater) 



Downdrift Shoreline 



TYPE nr. SHORE CONNECTED 

 BREAKWATER 



(Impounding Zone at Shoreward 

 End of Breakwater) 



( Watts, i965) 



Figure 5-6. Types of Littoral Barriers where Sand-Transfer Systems 

 have been Employed 



5-26 



