Hydro-Electric Power Flashcards
1
Q
What % of global energy is derived from HEP?
A
3%
2
Q
What is the potential of HEP compared to current global consumption?
A
Potential to provide the same amount as current GPEC
3
Q
Give the name and location of the world’s largest HEP dam
A
Three Gorges Dam, China
4
Q
Give 4 reasons why the Three Gorges dam was constructed
A
- Reduce flooding down stream
- Increase water supply
- Increase energy supply
- Improve navigation
5
Q
Ability to generate ………………
A
22,500 MW of electricty
6
Q
Give 2 socio-economic positives of the Three Gorges dam
A
- New buildings and houses, subsidised by the government have been built for residents who had to move.
- Jobs and increased economic activity in the local area during construction.
7
Q
Give 2 environmental positives of the Three Gorges dam
A
- Reducing greenhouse gas emissions from China, reducing the impacts upon Japan, such as acid rain
- Replacing a coal power plant, reducing emissions by 150 million tonnes
8
Q
Give 3 negative social impacts of the Three Gorges dam
A
- Town demolished to make way for flooding
- Rising waters forced over 1 million people to relocate
- After-effects such as landslides, which destroyed homes and forced more people to move
9
Q
Give 3 negative environmental impact of the Three Gorges dam
A
- Before the dam was built, the river carried waste away, now it is remaining and polluting the water
- Erosion from changing water levels caused landslides
- Water levels are rising, increasing flood risk
