Soft and hard engineering

STUDY
PLAY

Terms in this set (...)

Beach nourishments
The addition of sand or shingle to sn existing beach to make it wider
Dune regeneration
Fences are put up around the sand dunes , this keeps people off them
Dune fencing
Fences are constructed on a sandy beach along the seaward face of existing dunes to encourage new dune formation
Managed retreat
Controlled retreat of the coastline , often allowing flooding
Groynes ( hard engineering )
Timber or rock built out so sea , they trap sediment from long shore s drift and enlarges the beach
Sea wall
Concrete rock placed at the top of the beach , has a curved face to reflect the wVes back into the sea
Rock armour
Piles of large boulders dumped at the foot of the cliff , the rocks force waves to break , absorbing their energy and protecting the cliffs
Gabions
Wire cages filled with rocks that can be built up to support a cliff