
Coasts • US Population
Coasts • Processes that affect the shoreline • Geological work • Erosion • Transportation • Deposition Energy source = wind waves
Coasts • Beach – region affected by wave energy
Coasts • Beach – region affected by wave energy
Coasts • Beach – rivers and cliffs are sources of sand
Coasts • Onshore/offshore sand movement “summer” beach low energy waves “winter” beach high energy waves
Coasts • Longshore sand movement “summer” beach low energy waves “winter” beach high energy waves