COASTAL AREA 



COAST ^ 



DUNE 



BEACH OR SHORE 



BACKSHORE 





HWL; HIGH WATER LEVEL 

 LWL: LOW WATER LEVEL 



LWL 



NEARSHORE ZONE 



INSHORE 



-FORESHORE 



TROUGH 



Mv *- 



OFFSHORE 



a. Morphology 



-BEACH FACE INNER BAR 



BP: BREAK POINT 



PP: PLUNGE POINT 



RP: REFORMATION POINT 



OUTER BAR 



DEEP BAR 



b. Nearshore wave dynamics 

 Figure 1. Definition sketch of the beach profile (after SPM (1984)) 



14 



