110 



Shoreward 



Chaotic Forces due to Wave 

 Breaking ir> Surf Zone 



W 



. J:^'^'^^ fej> MassTransport 

 ^^^^r Stress due to Water Particle Velocity 



Offshore - Directed 

 Gravitational Component 



Fig. 7.10. Dominant Forces Acting on a Sediment Particle Resting on the 

 Bottom. 



