Coasts - Holderness Flashcards
1
Q
By how many metres does Holderness retreat every year?
A
1-2m
2
Q
In which direction is Holderness’ longshore drift?
A
Southwards
3
Q
What are the cliffs at Holderness made of?
A
Soft boulder clay (erodes v. quickly when saturated)
4
Q
How many houses are there in Mappleton?
A
50
5
Q
How much was spent on defences at Mappleton in 1991?
A
£2 million
6
Q
What defences have been built at Mappleton?
A
Rock armour & 2 rock groynes
7
Q
How often is the beach nourishment at Hornsea renewed?
A
Every 1-2 years
8
Q
How much was spent on wooden groynes at Hornsea?
A
£5.2 million
9
Q
Which village suffers from terminal groyne syndrome?
A
Mappleton
