Personally i don't think that flood defences are bad for the environment, pollution is more damaging to the environment then flood defences, but that is just opinion
different types of flood defences
Things like building sand bags and dikes are flood defences.
An embankment could mean a raised bank along a river as part of flood defences.
An embankment could mean a raised bank along a river as part of flood defences.
The rising tide threatened to overwhelm the flood defences.
Flood defences, flood barriers, levees, dikes, floodbanks, embankments, stopbanks, dams, bunds
A levee or embankment are two names of flood defences used to keep flood water in the river channel.
by not building on flood plains and building rock defences to keep the waves of land!
No, the area drained by a river is a river basin or drainage basin. The flood plain is in the lower valley reaches, where heavy rain can cause the river to flood, often bursting over flood defences, and for the water to flood over a large area.
It is called a Levee, some places it is called a Dike.
Roads, buildings, canals, dams, railways, tunnels, flood and coastal defences
Because of the Boscastle Flood, the village of Boscastle had to pay millions of pounds for repairs and defences for future floods. One family alone had to pay thousands of pounds because their home, car and possessions were totally destroyed.