They soak up water
at the beach!
Groynes
there is about 7 groynes along dover beach. I think. sorry if this is wrong. if you know different CORRECT THIS
they dont
Groynes prevent or slow down erosion.
to stop long sure drift
it doesnt 'work' first of all though i shall tell you what happens! sand is carried as the tide comes in it goes out straight and pushed back to shore diagonally. like this |/|/|/|/|/ unless groynes are put in not like groins!!!! GROYNES when there is a strong swash there will be a weak backwash leaving rubbish on the beach. when there is a weak swash there will be strong back wash taking rubbish away that is long shore drift,
Bridlington's defences consist of groynes on the beach, which lessen the effects of longshore drift.
Groynes are used for blowing bubbles .
Wooden groynes work belkhebra
Groynes prevent or slow down erosion.