Can be a necessity
as they are often
nature reserves.
Planting Trees
(Afforestation)
It can take many
years for the trees
to mature.
Can take up land which
could be used for buildings.
Trees absorb rainwater
and slow down its
movement into rivers, so
river flows are less
extreme.
Tree leaves also
redirect rainwater so
not as much water
falls into the river.
Management of Stock Numbers
Nota:
If there are too many animals on farmland they can compact the soil so less rain soaks into the soil
More rain soaks into the soil
and less rain runs directly into
rivers.
Reduced incomes for
farmers in short term.
Careful Planning of Land Use
Suitable, flat building
land may not be
available.
Restrictions on building
on floodplains, so fewer
impermeable surfaces.
Sustainable Water Drainage
Systems
Nota:
This is also known as SUDS. It can be for example the use of permeable surfaces for pavements, trenches for water storage and vegetated areas which all soak up rainwater.
The movement of water
into rivers is slowed, so
less likely to flood.
Can be expensive in
short term.
Can use up land with could
have otherwise been used for
buildings.
River Restortation
Reduces the risk of
flooding downstream of
the restoration.