Walton on the Naze

Question 1

What case study is used for coastal management

Answer 1

Walton on the Naze

Question 2

What type of rock makes up Walton

Answer 2

permeable red crag and impermeable London clay

Question 3

Why is there cliff slumping at Walton on the Naze

Answer 3

water is collected at the base of the permeable red crag lubricating the slope which can lead to cliff slumping

Question 4

What types of coastal management are at Walton on the Naze

Answer 4

sea wall, rock armour (167k), beach nourishment, groynes

Question 5

Positives and negatives of sea wall at Walton on the Naze

Answer 5

+ reduces land retreat, prevents coastal flooding as it is high, - un attractive, doesn’t prevent erosion of the beaches, encourages further erosion further down

Question 6

Positives and negatives of rock armour at Walton on the Naze

Answer 6

+ reduce retreat of land, does not affect the view, - increase erosion further along the coast, parts of the rock can break off, unattractive, doesn’t prevent cliff slumping

Question 7

Positives and negatives of beach nourishment at Walton on the Naze

Answer 7

+ makes the landscape more attractive, helps prevent cliff erosion as it shields cliff and absorbs wave energy, - doesn’t stop cliff retreat

Question 8

Positives and negatives of groynes at Walton on the Naze

Answer 8

+ helps to build up sandy beach, the larger beaches then act as a natural barrier against cliff erosion, - unattractive, stops longshore drift happening further down the coast