Coastal Geography Quiz

What percentage of the world's coastlines are depositional in nature?

• 10%

• 20%

• 30%

• 40%

Which of the following features are formed by low energy environments and deposition?

• Mountains

• Volcanoes

• Beaches and spits

• Plateaus

What is the main factor that causes 'drift-aligned' beaches to form?

• Tidal waves

• Longshore drift

• River discharge

• Offshore wind

Mudflats and salt marshes are examples of what type of ecosystem?

• Freshwater

• Halophyte

• Halocline

• Halosere

What is said to occur when there are losses and outputs in the coastal system?

• Dynamic equilibrium

• Static equilibrium

• Coastal erosion

• Coastal deposition

Which type of waves allow a net increase of material on the beach due to their strong swash and weak backwash?

• Destructive waves

• Constructive waves

• Tsunami waves

• Tidal waves

What feature is formed at the lower edge of beaches and is parallel to the waves?

• Rip channel

• Sand ripples

• Longshore bars

• Cusps

What is a characteristic feature of a beach that supports steeper concave slopes and occurs where coarser material is absorbing wave swash?

• Storm beach

• Berm

• Offshore bar

• Beach cusps

During which season does the beach profile steepen and push material up the beach?

• Spring

• Summer

• Autumn

• Winter

What happens to the beach profile in winter according to Fig. 4?

• It steepens and pushes material up the beach.

• It flattens and material is combed seawards.

• It remains unchanged regardless of the season.

• It forms longshore bars that are parallel to the waves.