KS4 - Coastal Management

Which of the following describes why people might be concerned about the coast?

• Flooding through sea level rise
• Deforestation
• Desertification

What is longshore drift?

• Where waves smash rocks and pebbles into each other, causing them to break
• Where material is moved sideways along the coast
• Where bits of rock and sand in waves grind down cliff surfaces

Which of the following is an advantage of rock armour/rip rap?

• It looks unnatural
• It is costly to transport the stones
• It allows the build up of the beach

Which of the following is not a hard engineering option?

• Building groynes
• Beach nourishment
• Rock armour / Rip rap

Wooden barriers built at right angles to the beach are called what?

• Rock armour / Rip rap
• Beach nourishment
• Groynes
• Sea walls

Which coastal defence can protect the base of cliffs against erosions and can prevent flooding?

• Rock armour / Rip rap
• Tombolo
• Sea wall
• Groynes

Allowing area of the coastline to erode and then flood naturally is called what?

• Longshore drift
• Managed retreat
• Do nothing
• Coastal defence

What is hard engineering?

• Building artifical structures to control erosion
• A natural approach to control erosions
• Using technology to monitor erosion rates

What is soft engineering?

• Building artifical structures to control erosion
• A natural approach to control erosions
• Using technology to monitor erosion rates

Which hard engineering reflects wave energy back to sea?

• Sea walls
• Groynes
• Gabions