River landscapes

Question 1

Flooding example

Answer 1

Cumbria floods 2009, 400mm fall, saturated soil, high relief of land, but humans factors like concrete roads

Question 1

Hard engineering

Answer 1

Straightening
Embankments
Dams
Flood relief channel

Question 2

Soft engineering

Answer 2

Flood plain zoning
Afforestation
Flood warnings - 3 levels - flood watch, flood warning, severe flood warning

Question 3

Juliee river key facts

Answer 3

£100 million
11.7 km
Maidenhead and Wraysbury

Question 4

Jubille river good

Answer 4

Protects 3,200 homes
320 hectares of green areas

Question 5

Jubilee river bad

Answer 5

£640,000 repair cost after 2014 damage
Wraysbury premiums increase by £500 million
Algae builds behind weirs
20% decrease in Wraysbury house prices

Question 6

Physical factors that affect hydrographs

Answer 6

precipitiation
geology
relief
vegetation

Question 7

human factors that affect hydrographs

Answer 7

surface permeability
Deforestation
Agriculture - ploughed soil increase rate of surface runoff
Underground drainage systems