Holderness Coast

Question 1

What is the distance from Flamborough Head to Spurn Point?

Answer 1

61km

Question 2

What is the coastline mostly made up of?

Answer 2

Glacial till, deposited 18000 years ago in the last ice age

Question 3

How many villages have been lost since roman times?

Answer 3

14 villages

Question 4

How many metres per year is it eroding?

Answer 4

1-2 metres per year, fastest eroding coastline in europe

Question 5

How many tonnes of material is lost per year?

Answer 5

2 million tonnes

Question 6

What erosion processes take place naturally?

Answer 6

Abraison
Corrasion
hydraulic action
solution

Question 7

What transportational processes take place?

Answer 7

longshore drift via:
solution
saltation
traction
suspension

Question 8

Where is the majority of the material deposited?

Answer 8

Spurn head

Question 9

What are the natural beaches almost always like?

Answer 9

Narrow and unable to stop erosion

Question 10

What did Mappleton have installed in 1991?

Answer 10

Two rock groynes and a rock revetment

Question 11

What happened to the north and south beaches of Mappleton?

Answer 11

The north beaches were full and wide, whereas the south beaches are sparce and deprived of sediment

Question 12

What effect did the sparce south beaches have on the coastline?

Answer 12

caused more erosion, even on a neap tide where it is 30% less than a normal tidal range, as the water still reaches the cliffs

Question 13

Are there any sea defences at Aldbrough?

Answer 13

No

Question 14

Why is Withernsea getting protected?

Answer 14

Because its a tourist attraction so it means the cost is worth it

Question 15

Which sea defences are at Withernsea?

Answer 15

Concrete sea wall, rock revetments and a groyne

Question 16

What is happening at Kilnsea?

Answer 16

The old settlement has been completely lost

The sea defences are now old and crumbling and erosion is taken place very fast

Question 17

How long is Spurn Head?

Answer 17

5.5km

Question 18

Is Spurn head fully protected?

Answer 18

The spit used to be fully defended but theyre starting to fail
The end is fairly stable, with strong plant roots
There are also groynes, but theyre old

Question 19

What will eventually happen to spurn head?

Answer 19

It could eventually die out, if sea defences further north keep depriving south beaches of sediment