Jetties are constructed perpendicular to shore and extend beyond the surf zone causing sediment to accumulate on the up-drift side and erosion on the down-drift side. Group of answer choices True False

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11-03-2020
Geography

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Jetties are constructed perpendicular to shore and extend beyond the surf zone causing sediment to accumulate on the up-drift side and erosion on the down-drift side. Group of answer choices True False

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maryasay maryasay · Answer 1 · 2020-03-13T02:53:10+01:00

Answer: True

Explanation: Jetties are structures constructed perpendicular to shore. They form a 90 degree angle to the shore and cause sediment to accumulate on the updrift side. This is the side that provides sediments.

Jetties are made of heaps of stones or concrete deposited at coastal inlets. They change the longshore current, and due to this, create updrift beaches.

Shoreline Structures such as jetties, and seawells help protect the shoreline from erosion and lessen the effect of currents and waves on the shoreline.