Q onshore-offshore transport per unit length of beach 

 y 



q ^ onshore-offshore transport parameter (dimension LT ) 



Q longshore sand transport discharge in shallow v/ater 



Q^ longshore sand transport in deeper water 



y* Xi - 72 



r distance of the beach profile to a spiral center 



angle parameter in mathematical description of hooked bays 



3 spiral angle in mathematical description of hooked bays 



a . depth of hooked bays 



b distance between headlands 



