GEOL105_16

GEOL105_16 - Marina del Rey Any kind of major run off comes...

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Unformatted text preview: Marina del Rey Any kind of major run off comes from Viona creek during heavy rains in America. Entrance to Marina del Rey and Ballona Creek Channel The beach is very wide because sand is deposited near the jetties. Sand trapped and retained by groin Sand is going to accumulate on the side of the groin that faces in the long short rift direction. Pacific palisades coast – longshore drift toward viewer or away? It is drifting away. If we didn’t have jetties – then we might have had a sand beach that was uninterrupted. Coastal problems, hazards Ocean attacks the material, no matter how concrete, with which houses on the beach are built. Stacks along coasts… Pillars of rocks – stacks. Layers of rock. The rocks behind were once where the stacks were. Headlands are preferentially attacked and eroded by surf from both sides. This offen produces a tunnel beneath the headland…...
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This note was uploaded on 02/07/2012 for the course GEOL 105 at USC.

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GEOL105_16 - Marina del Rey Any kind of major run off comes...

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