longshore drift
Noun
Meaning
English Wikipedia has an article on:longshore driftWikipedia
longshore drift
The process whereby sand and shingle move along a beach shoreline when waves approach the shore at an angle.
Examples
Breakwaters on either side of the Seaway prevent longshore drift and the bar from silting up.
Sediment is transported along the coast in the direction of the prevailing current ( longshore drift ).
These banks may slowly migrate along the coast in the direction of the longshore drift, alternately protecting and exposing parts of the coastline.
The Sussex coast has always suffered from occasional violent storms; with the additional hazard of longshore drift (the eastward movement of shingle along the coast), the coastline has been frequently changing.