Cardiff bay barrage case study Flashcards Preview

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Flashcards in Cardiff bay barrage case study Deck (7)
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1
Q

what is the size and shape of the barrage

A
  • ā€™sā€™ shape
  • 1.1km long
  • 800m long embankment
2
Q

what happened in 1999

A

the barrage sealed off the sea, creating a 200 hectre lake, no longer influenced by the tide

3
Q

what was the problem with Cardiff bay

A
  • 2nd largest tidal range
  • low tide conditions made it inaccessible
  • creating a bad smell
4
Q

how much did it cost

A

9 million

5
Q

how much is it to maintain

A

12 million a year

6
Q

reasons for the barrage

A
  • wont increase the risk of flooding in Cardiff
  • enhance and improve quality of life and community
  • create 30,000 jobs
  • reduction in pollutants
7
Q

conflicts about the barrage

A
  • is a designated site of scientific interest (SSSI), home to a colony of 6,000 birds, flooding will dissipate them
  • Gwent reserve is a new habitat for the birds to compensate for the loss of grounds
  • new wildlife reserve means thousand of hectres of farmland had to be flooded with sewage water
  • a rise in groundwater of 3m is expected, increasing flood risk