Co - Happisburgh + Sea Palling Management

Question 0

Give 5 examples of Costal management used at Happisburgh and Sea Palling (both human and natural defences)?

Answer 0

.Revetements
.Groynes
.Rock armour
.Sand dunes
.Sea walls

Question 1

Where are Happisburgh and Sea Palling located?

Answer 1

In Norfolk

Question 2

In Happisburgh, which specific area has been eroded particularly?

Answer 2

The area near the lighthouse

Question 3

What had been done near the lighthouse in Happisburgh to reduce costal erosion and how long did it take for these features to be destroyed?

Answer 3

Groynes and Revetements were used, and they were built in 1998, and destroyed by 2009

Question 4

How does ‘rock armour’ work to minimise costal erosion?

Answer 4

They work by taking the energy from the waves, and they don’t erode fast themselves

Question 5

When and why did the rock armour at Happisburgh stop serving it’s purpose?

Answer 5

In 2013, and because the sea level had gone over the rocks, so the sea could still erode the cliffs

Question 6

What is an example of a natural defence used to minimise costal erosion at Sea Palling?

Answer 6

Sand dunes

Question 7

How do sand dunes and sea walls work at Sea palling?

Answer 7

They work by diffracting the waves which create create areas of low energy, (lowering the average energy of the wave) which leads to deposition