Identify three types of coastal defences at Withernsea.
Please select 3 correct answers
Which type of coastal defence involves trapping sand, being transported by longshore drift, to form a wide sandy beach?
How have the sea defences been extended to the south of Withernsea?
What has happened to the rate of erosion along the boulder clay cliffs to the south of Withernsea?
True or false? To the south of Withernsea rates of erosion have increased because there is very little sediment to form a wide beach.
What name is given to the notch-shaped bays that form to the south of the defences?
What rate of erosion has been recorded to the south of defences at Withernsea?
How far has the rock armour at Withernsea been extended?
How much rock armour was imported from Norway?
How much do the individual pieces of rock weigh?
True or false? The boulders were used to create an interlocking rock structure, designed to prevent the sea from eroding the cliffs. This is thought to be amongst the largest used in such defences around the UK.
What happened to the cliffs before the rock armour was installed?
When was the project completed?