Flashcards in Coasts - Holderness Deck (9):
By how many metres does Holderness retreat every year?
In which direction is Holderness' longshore drift?
What are the cliffs at Holderness made of?
Soft boulder clay (erodes v. quickly when saturated)
How many houses are there in Mappleton?
How much was spent on defences at Mappleton in 1991?
What defences have been built at Mappleton?
Rock armour & 2 rock groynes
How often is the beach nourishment at Hornsea renewed?
Every 1-2 years
How much was spent on wooden groynes at Hornsea?