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AS Geography 6th May 2010
Increasing Risks

Increasing Risks of Coastal Erosion ­ California's lost beaches

1) Numerous Private sea walls prevent Mud-slides and sub-aerial activity as well as
protecting property. However:

They reduce sediment supply to the beach
This results in Toe scouring (Undercut)
This increases beach erosion as…

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AS Geography 6th May 2010
Increasing Risks

5) Major impacts of El Nino events

El Nino creates extreme weather events: Big storms More erosion
Low pressure system Rising tides

6) Strong onshore winds, destructive plunging waves

The above cause accelerated erosion

7) Possible effects of global warming

Global warming causes…


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