AQA CUE Sustainable Urban Drainage Quiz

What is the effect of impermeable surfaces in urban areas on the water cycle?

• Increase infiltration

• Decrease surface run-off

• Increase surface run-off

• Increase evapotranspiration

What is the main reason for high levels of surface run-off in urban areas?

• Lack of precipitation

• Impermeable surfaces

• High evapotranspiration

• Low intensity of rainfall

What is the main purpose of sustainable urban drainage systems (SUDS)?

• Increase water pollution

• Remove pollutants from rivers

• Increase flood risk

• Control flooding

What is the term used to describe the downward movement of water from the surface into the soil?

• Evapotranspiration

• Run-off

• Interception

• Infiltration

What is the main factor that makes urban hydrographs distinctive and more likely to flood?

• Long lag time

• Short lag time

• Low peak discharge

• High base flow

Which method of sustainable urban drainage involves using natural processes to reduce flooding and provide amenity for the community?

• Roof water collection

• Rain gardens

• Swales

• Permeable pavements

What is the main purpose of wetlands in sustainable urban drainage?

• Increase stormwater flow

• Remove pollutants

• Increase sedimentation

• Promote evapotranspiration

What is the main issue with water quality in urban areas?

• Sediment from building sites

• High base flow

• Excessive evapotranspiration

• Low precipitation

What is the main factor that makes large cities have their own climatic conditions?

• Urban development

• Industrial pollution

• Increased precipitation

• Urban heat island effect

What is the main purpose of the SUDs in the Queen Elizabeth Olympic Park in London?

• Increase flood risk

• Tackle dereliction

• Promote water pollution

• Implement sustainable urban drainage