the rapid movement of sand by longshore drift could block access to the mainland by closing gaps in barrier islands and between spits. what steps can be taken to prevent further erosion?

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01-12-2022
Geography

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the rapid movement of sand by longshore drift could block access to the mainland by closing gaps in barrier islands and between spits. what steps can be taken to prevent further erosion?

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dugarniharika9045 dugarniharika9045 · Answer 1 · 2022-12-05T11:53:14-05:00

The content and shape of the coastline are significantly influenced by longshore drift barrier islands.

It alters the beach slopes and produces spits, which are long, narrow shoals of land that project out from the shore. Along a shoreline, longshore drift can potentially completely alter or eliminate "barrier islands." Groins effectively restrict longshore transport, trapping longshore drift sediments on the updrift side (a process known as updrift accretion), but they also frequently lead to down drift erosion (a process known as down drift erosion), which is the erosion of sand. A spit is a sand ridge that juts out from the shore. The spit's tip might turn around and head for the calmer waters near the shore. Waves could also deposit sediment to create barrier islands and sandbars. This sheet of water can "capture" and carry beach sediment back out to sea as it moves on and off the beach. Longshore drift is a process that can significantly erode a beach barrier islands.

Learn more about barrier islands here :

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