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12 terms

Oceanography ch 10 vocab part 2

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Barrier island
Extremely long offshore deposits of sand that are parallel to the coast.
Beach replenishment
Sand is added to the beach to replace lost sediment.
Breakwater
Hard stabilization built parallel to a shoreline.
Delta
Sediment carried out in to the ocean by rivers. They are fertile, flat, low-lying areas that are subject to periodic flooding.
Emerging shoreline
Shorelines that are rising above sea level.
Eustatic sea level change
Changes in sea level that are experienced worldwide due to changes in seawater volume or ocean basin capacity.
Groin
Built perpendicular to the coastline and are specifically designed to trap sand moving along the coast in longshore transport.
Jetty
Built perpendicular to the shore and constructed of rip-rap. Made to protect harbor entrances from waves and only secondarily does it trap sand.
Rip-rap
Large blocks of rocky material.
Seawall
Built parallel to the shore along the landward side of the berm. The most destructive type of hard stabilization.
Submerging shoreline
Shorelines that sink below sea level.
Tombolo
A sand ridge that connects an island or sea stack to the mainland.