(R) Three Gorges Dam Flashcards
1
Q
Negative social impacts of the project?
A
- 66% of Wanxian will be flooded, 250,000 people will have to move
- 1.3 million people need rehousing
- q. of life is already below average
- 60,000 hectares of farmland destroyed, 600,000 farmers have to move
- 828 religious, cultural sites will be flooded
2
Q
Positive social impacts?
A
- prevents deaths (300,000 died from floods in 1900s)
- prevents homelessness (floods in 1998 made 14 million homeless)
- people will have a better q. of life
3
Q
Positive economic impacts?
A
- HEP station generates electricity, up to 14% of China’s power
- reduces flood damage (1998 floods caused $20 billion worth)
- improves navigation of river, bigger ships can get to Chonqing, improving trade
- fruits can be grown in the more moderate climate
- lake attracts tourism and a fishing industry
4
Q
Negative environmental impacts?
A
- lake changes climate (milder), affects animals and plants
- dam traps pollution in the reservoir
- sediment is trapped in lake, will ruin HEP turbines
- 40 unique species of fish and 36 rare plants live in the river and could be affected
- Yangtze river dolphin with <100 left could be affected
5
Q
Key facts?
A
-The dam is on the River Yangzte, a major river
-River Yangzte is in the south-east of China.
The nearest town is Sandouping.
- Shanghai is at the mouth of the river, which flows into the Yellow Sea.
- Protests and armed police involvement
6
Q
Negative economic impacts?
A
- 60,000 hectares of farmland lost
- new cities have to be built
- people have to be rehoused
7
Q
Positive environmental impacts?
A
- reduces coal burning by 50 million tons
- carbon dioxide emissions reduced by 100 million tons
8
Q
Why do the Chinese government want it built?
A
- important energy source (<14%)
- reduces coal usage/impact
- impresses other countries
- promotes tourism
- silt can purposefully be deposited in fields
- rice fields can be kept flooded
- ships can go 1100km inland
- Chonqing uses river for water/sewage disposal
9
Q
How could the dam be better managed?
A
- dumping sewage elsewhere
- relocating people
- maintaining the HEP generators, so that they don’t silt up