Coastal Processes

A high energy environment causes __________ to occur?

• Erosion

• Deposition

• Gravity

• Sand Dunes

This coastline was created due to...

• Erosion

• Deposition

• Using your phone in class

• Both

When backwash is stronger than swash, what occurs?

• Erosion

• Depositon

• Sand Dunes

• Urban Development

Erosion happens faster when water interacts with...

• Hard Rocks eg. Igneous and Metamorphic Rock

• Soft Rocks eg. Sedimentary Rocks

• At the same rate on both hard and soft rocks

What does the term Fetch refer to?

• The shape of a headland

• The distance a wave travels before it reaches land

• The movement of sediment within an ecosystem

• The time it takes for erosion to occur

What is Hydraulic action?

• The weight and impact of water against the coastline which cause cracks/caves to form.

• The way a coastal feature transitions into a new feature

• The time it takes for erosion to occur

• The way a wave moves up the beach and interacts with the coastline.

Abrasion occurs when?

• Little rocks get picked up by the waves and smashed on to the cliffs

• Small rocks are smashed against each other, making smaller rocks.

• Chemicals in the sea water dissolve the rocks

• At low tide when animals enter the coastal environment.

Corrosion occurs when?

• Little rocks get picked up by the waves and smashed on to the cliffs

• Small rocks are smashed against each other, making smaller rocks.

• Chemicals in the sea water dissolve the rocks

• At low tide when animals enter the coastal environment.

Attrition occurs when?

• Little rocks get picked up by the waves and smashed on to the cliffs

• Small rocks are smashed against each other, making smaller rocks.

• Chemicals in the sea water dissolve the rocks

• At low tide when animals enter the coastal environment.

What wave type is associated with Erosion?

• Constructive Waves

• Destructive Waves

• Radio Waves

• Polar Waves