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Coastal Erosion from waves
1. Hydraulic Action ­ Sheer force of the waves beating down on the coast. High Pressure.
2. Abrasion ­ Waves carrying sediment which is then used to erode the coast.
3. Attrition ­ Sediment and particles carried down by the river colliding with each other.

Page 2

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Headlands and Bays

Where the bay has been formed was softer rock. It
has been eroded away from waves, hydraulic
action, attrition abrasion and solution. The
headlands that stick out are made of harder rock
and so they don't erode back.

As waves move towards headlands they focus
maximum energy…

Page 3

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Human activity on the coast
1. Recreation ­ Dog walking, holiday makers.
2. Industry ­ ports, large ships with trade, tourism.
3. Flooding ­ sea levels rise due to climate or storms. Bad for the houses/buildings/hotels etc.
4. Pollution ­ Litter from tourists, dog mess on beaches and pollution from…

Page 4

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Hard Management Strategies

Sea Wall

Concrete walls built to reflect the wave attack on the coast
preventing erosion of the land behind.

Small Mesh cage filled with small rocks. They are able to move a little by are
strong. They allow water in but absorb the energy of the…


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