China - 3 gorges dam

Question 1

Yangtze river basin

Answer 1

• Longest river in eurasia
• 3rd longest in the world
• 6 300 km
• From tibetan plateau to east china coast
• Drainage basin ⅕ of china’s land and home to ⅓ of population

Question 2

stats on 3 gorges dam

Answer 2

• Hydroelectric
• Largest power station in terms of installed capacity
• Opened 2003
• $31 billion to make
• 20 times more than hoover dam on average
• powers 5.4 mil houses
• 9% china’s electricity

Question 3

benefits

Answer 3

• Creates jobs
• Used as water reservoir
• Prevents floods by holding back 10.3 trillion gallons of water
• World’ largest producer of renewable energy
  Shipping - go upstream
• No carbon footprint from energy

Question 4

disadvantages

Answer 4

• over 1000 villages were submerged
• Destruction of historic and archeological sites
• Increased costs for farmers to maintain soil fertility as no nutrients from floods
• expensive to make and run
• Disrupts ecosystem
• Carbon emissions from transport and construction
• Produces methane from flooded vegetation
• Over 1 mil people had to be moved