There are two ways we can deal with coastal flooding and erosion
Hard Engineering Man-made structures built to control the flow of the sea and reduce flooding and
erosion
Soft engineering schemes set up using knowledge of the sea and its processes to reduce the
effects…
Page 2
Salt marsh creation allowing sea to flood over a large area creating salt marshes, new habitats,
reduces risk of flooding
Managed retreat abandoning the existing defences building new ones further inland creating salt
marsh, some may loose land, houses, businesses, reduced flooding, new habitats
Longshore drift- the movement…
Page 3
The size and energy of a wave is influenced by:
How long the wind has been blowing
The strength of the wind
How far the wave has travelled (the fetch)
2 types of waves and there effects on beaches:
Constructive low wave in height, stronger swash than back wash…
Page 4
Waves cause erosion through hydraulic action and form a crack in the cliff which then overtime
enlarges as erosion continues turning into a wave cut notch. Then the rock above becomes un-stable
and eventually collapses, repeating of the collapses results in the cliff retreating and the wave cut
platform is…
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