Geography CGP Workbook 2

Question 1

One way using coastal land for agriculture can affect rates of cliff erosion? TWO ways

Answer 1

• Compacting soil from heavy machinery can absorb less water, more runoff, destabilising cliffs.
• Deforestation can damage soil structure that would prevent erosion.

Question 2

How can urbanisation affect coastal landscapes?

Answer 2

• Deforestation
• Building of residential areas, more roads

Question 3

3 threats to people from coastal flooding

Answer 3

• Destruction of homes & displacement/ economic loss
• Dangers of hygiene/ contamination
• Disruption of infrastructure - roads/ power outages etc.

Question 4

Human activity & case study of how it impacts coastal landscape

Answer 4

Dawlish Warren in Devon - groynes put in place to entrap sediment to keep the beach - causes higher rate of erosion further down.

Question 5

What is rip rap

Answer 5

Rock armour

Question 6

What is managed retreat

Answer 6

Removal of coastal defences to allow the sea to come in - could be for the replenishment of habitats like salt marshes.

Question 7

What happens to river discharge as you go down the course of it?

Answer 7

It generally increases - as tributaries join it, increasing water and width.