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Groynes
there is about 7 groynes along dover beach. I think. sorry if this is wrong. if you know different CORRECT THIS
they dont
to stop long sure drift
Groynes prevent or slow down erosion.
I know 2 advantages : The first advantage is that is lessens the effects of longshore drift on a beach. The second advantage is that is also builds up part of the beaches with the sand becoming deeper.
Bridlington's defences consist of groynes on the beach, which lessen the effects of longshore drift.
Don't let people build on barrier islands.
Groynes are used for blowing bubbles .
Wooden groynes work belkhebra
Groynes prevent or slow down erosion.