Shoreline Features Ch. 16.3 These notes go on p. 19 of your INB!

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Presentation transcript:

Shoreline Features Ch These notes go on p. 19 of your INB!

Shoreline Features waves shape shorelines with erosion & deposition Erosion is the carrying of sediment Deposition is the dropping or depositing of sediment in a new place (after erosion)

Wave Refraction Wave bending Explains why an uneven shoreline with shallow water is worn away to a more even shoreline Incoming waves reach cliffs first and bend around it

Rocky Beach Features Headlands- cliffs jutting out because of erosion Seastacks Sea Arches/Natural bridges Sea Caves Beaches- where eroded materials are dropped or deposited

Sandy Beach Features Beach – area of shore between the high-tide level and the low-tide level ◦ Formed from deposition ◦ Other features: 1.Spit- when sand is deposited attached to a headland 2.Baymouth Bar- when the spit is extended and blocks some water creating a bay 3.Barrier Islands/Sand Bars- block the waves from the shore and water behind it 4.Lagoons- smaller, more shallow waters behind islands and sand bars 5.Salt Marshes- when lagoons dry up and fill with sand

Sandy Beach Creation