Figure 21. Types of breakwaters and littoral barriers where sand 

 transfer systems have been employed (Source: Reference 65). 



^:^;'^fo Uodrid Shoreline 

 ImpoundingV;'; 



J (Jetty) 



• Downdnft Shore'me 



TYPE I. JETTIED INLET 



Impounijing Zoni 



{ Fint Siogt) 



Li ttorol Barrier 



(Shore connected 

 Breohwoler ) 



Downdnft Shoreline 



TYPE m. SHORE 

 CONNECTED BREAKWATER 



(Impounding Zone ot Seaword 

 End of Breakwater) 



-UpdriM Shoreline 



■''''^''' C Littoral Sorrier 



-Impounding^;-; 



ebb. 





(Offshore Breakwoteri 



-Downdnft Shoreline 



TYPE n. JETTIED INLET AND 

 OFFSHORE BREAKWATER 



-Updnft Shoreline 



- Low Sill (Wtir) 



- Breokwoter 



Downdnft Shoreline 



TYPE rC. SHORE CONNECTED 

 BREAKWATER 



(l.:'00unding Zone at Shoreword 

 End of Breakwater) 



4.4.7 Nonstructural Approach 



The nonstructural bea 

 preservation of the natura 

 which should be considered 

 should be placed well inla 

 receding shores that would 

 Second, policies should be 

 from any storage area and 

 from any one storage area 



chfront management program has as a goal the 

 1 beach profile. It has two essential elements 



together. First, permanent upland development 

 nd of the active part of the shore, including 



be expected to become active in the future. 



adopted both to prevent the removal of sand 

 to prevent blocking the free transport of sand 

 back into the active part of the system. 



A setback line should be established to prevent the placement of 

 structures too close to the active beachfront. The line should be far 



110 



