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Unformatted text preview: shore drift — when currents occur along shorelines
there is a preferential transport of sediment along the coast.
When wind-driven waves and surf come ashore obliquely
they transport sand along the shore (see above) Figure 20.4 Figure 20.11b Longshore current produces longshore drift of sand A linear coastline where waves strike
it obliquely, not perpendicularly … Figure 20.11 Submarine
Canyon (RC) trap
beach sands into
the deeper water
of San Pedro
the coast and
Catalina island. RC RC...
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This note was uploaded on 05/11/2013 for the course GEOL 105Lg taught by Professor Davis,platt during the Fall '07 term at USC.
- Fall '07