River Management Flashcards
What are the four types of hard engineering for rivers?
Dams and reservoirs, straightening meanders, embankments and flood relief channels
What are the four types of soft engineering for rivers?
Floodplain zoning, river restoration, flood warning and preparations, planting trees
What are the hard engineering techniques that cockermouth has used to reduce flooding?
New flood walls, dredging the river, new embankments, new flood gates, new sewage system and a raised bridge
What is the soft engineering technique that cockermouth has used to reduce the risk of flooding?
The floodplain was extended so that when the river does flood there is somewhere for the water to go and this area was allowed to deliberately flood
What are the social impacts caused by management in cockermouth?
Positive: reduced anxiety and depression, quality of life improved as risk of flooding was reduced
What are the economic impacts caused by management in cockermouth?
Positive: 55 businesses protected by the new self raising barrier
Negative: cost £4.4million
What are the environmental impacts caused by management in cockermouth?
Positive: new style flood barrier means that the visual impact to the river is not impaired throughout the rest of the year
Negative: dredging the river damages the vegetation and animal life of the river and surroundings whilst it is being done
Have the management strategies in cockermouth been successful?
Partly, there was still some flooding during storm Desmond in December 2015