THE THREE GORGES DAM, CHINA

THE THREE GORGES DAM, CHINA

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THE THREE GORGES DAM, CHINA

What is a Dam?

- Used to Control the amount of discharge in river

- water is held back and then released in a controlled way

- Stored in a reservoir behind the dam, used to generate hydroelectric power

- Sediment trapped behind wall leading to erosion down stream

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THE THREE GORGES DAM, CHINA

Advantages to the Dam in China

  • Generates Hydroelectric power
  • Atracts tourists to the area
  • Biggest Dam in the world - sign of power
  • Some employment
  • Dam was under budget at $25.5 million so money can go to developing communities
  • Improves Navagation so more transportation of goods - boasts economy
  • Claimed by governement to be a long term solution
  • Positive impact on flood control
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THE THREE GORGES DAM, CHINA

Disadvantages to the Dam in China

  • 1.4 million people had to move due to flooding behind Dam
  • Water in reservoirs is already heavily polluted
  • 50% of silt deposited behind the dam
  • White flag dophilns habitat is being effected - risk of becoming extinct
  • loss of cultural monuments
  • Sediment builing up behind Dam
  • Chinese workers worked everyday for 14 years
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