Beaches - Sediment movement in the beach zone

3 important questions on Beaches - Sediment movement in the beach zone

What is the influence of wave characteristics on sediment movements?

- The horizontal orbital velocity required to move a grain of a given size increases as the wave period increases.
- wave height
- water depth

What is a longshore current?

A longshore current is established when waves approach a straight coastline at an oblique angle.

What is a rip current?

Rip currents are strong, narrow currents which flow seawards from the surf zone.

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