Mappleron 1991 Flashcards
What is the population of Mappleton?
342
What is the length f the rock armour?
450m
How much did it cost for 61,500 tonnes of rock armour?
£2million
What did the rock armour include?
2 rock groynes.
How far from the cliff was the church in 1786?
578m
By 1990, how far away was the church from the cliff?
223m
What did cliff erosion threaten by the late 1980s?
It threatened the whole village of 50 properties and the B1242 coastal road.
What was the rate of erosion before 1991?
1.5m/yr
What was the rate of erosion after 1991?
0.3m/yr
Where have the coastal defences increased the rate of erosion?
At Great Cowden
What was the rate of erosion at Great Cowden before 1991?
1.55m/yr
What was the rate of erosion at Great Cowden after 1991?
1.94m/yr