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Lecture 19

Lecture 19 - Shorelines

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Department
Earth Sciences
Course
Earth Sciences 1022A/B
Professor
Stephen R Hicock
Semester
Fall

Description
Shorelines y Waves o Windgenerated energy forms that move through water o Feel bottom as approach the shore then break into surfSwash and backwash o Erosion mainly by abrasion of headlands o httpwwwgeographylearnontheinternetcoukimagescoastwavesgif y Sand Movement on the Beach o Wave refraction waves bend towards irregular shoreline to erode headlands and deposit in bays o Waves bend towards the headlands o httphomecomcastnetrhaberlinimagescscoastgif httpwww3nccedufacultybiofanellisbiosci119beachheadlano dJPG y Sawtooth pattern of swash and backwash results in o Beach drift longshore current that transport sediment along the shore httpwwwuwspedugeofacultyritterimageslithospherecoastao lbeachdri
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