Costal Zone: Costsal Erosion Case Study

Question 0

What is the average rate if erosion at Holderness?

Answer 0

1.8m per year.

Question 1

What is the case study for costal erosion?

Answer 1

Holder was in East Yorkshire.

Question 2

How long is the Holderness coastline?

Answer 2

61km long.

Question 3

What is the coastline doing at Holderness?

Answer 3

Retreating.

Question 4

How much land is loss every year?

Answer 4

1.8m

Question 5

What are the 4 main reasons for the rapid erosion?

Answer 5

• Rock type. The cliffs here are made from Boulder clay which is easily eroded. It is likely to slump causing the cliffs to collapse.
• Naturally narrowing beaches. Beaches slow waves down. Narrow beaches give less protection.
• People worsening the situation. Costal defences have been build but this means the beaches are narrower and easily eroded in other places.
• Powerful waves. Holderness faces the prevailing wind direction which brings waves from the North East. Waves increase in pier over a long distance.

Question 6

Give an environmental impact of costal erosion.

Answer 6

Some sssi sites are threatened. The lagoons bear Easington are part of SSSI. The lagoons are separated from the sea by a narrow strip of sand and shingle. If this eroded, the lagoons would connect to the sea and they would be destroyed.

Question 7

Give 6 impacts on people’s lives from costal erosion.

Answer 7

• Homes near cliffs
• Property prices
• Accessibility
• Businesses
• Gas terminal at risk. 25% of Britains gas supply.
• 80,000m2 of farmland lost each year.