3.2.3.5 Urban Drainage

Question 1

Bioswale rain garden

Answer 1

A sloped retention area designed to capture and convey water while allowing it to infiltrate the ground. They help to store and/or convey runoff and remove pollutants.

Question 2

Catchment management

Answer 2

A way of managing rivers and improving drainage systems by looking at the whole river catchment, and the interactions between water and land.

Question 3

River restoration

Answer 3

The process of managing a river to restore the river systems to a more natural state. It can reduce flood risk, decrease water pollution, create new habitats and increase biodiversity.

Question 4

Sustainable Urban Drainage Systems (SUDS)

Answer 4

This is a relatively new approach to managing rainfall by using natural processes in the landscape to reduce flooding, control flooding and provide amenity for the community

Question 5

Swale

Answer 5

Shallow, broad and vegetated channels designed to store and/or convey runoff and remove pollutants