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Three Gorges Dam

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Thomas Zerbes

on 21 October 2016

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Transcript of Three Gorges Dam

Three Gorges Dam
Success or Failure
1 The Three Gorges Dam
1.1 facts
1.2 construction
1.3 electricity
1.4 environmental development

2 Pros and Cons

Gorges:Qutang, Wuxia and Xiling
Height 181 m (Kölner Dom:160m)
Length 1983 m
Impounds Yangtze River
length of reservoir: 660 km
75 billion US Dollar until 2013
financed by a extraordinary tax and loans
full capacity since 2012
32 Turbines
Power of turbines 18.200 MW
same power as FIFTEEN nuclear reactors
Three Gorges Dam


Power generation:
can solve chinas lack of electricity
with the dam it's possible for big cargo ships to get further into Chinas center
Water supply for the north:
water from the Yangtze river is pumped to regions in the north of China

Flood control:
prevents floods in coastal area ( e.g in 1931 145.000 people died)
planned since early 20's
Construction 1994-2008
filled the reservoir with 135 meters of water
13 cities, 140 towns, 1,350 villages were flooded
more than 1.2 million people displaced
project has been plagued by corruption, human rights violations and resettlement difficulties
The assimilative capacity is reduced by the reservoir (water standing still)
threat of earthquakes (two major faults: the Jiuwanxi and the Zigui–Badong)
3000 plant species, 3000 fish species and 22 aminal species threatened
Bad workconditions
many workers died
If the dam brakes
400 mio people are threatened
100 mio would die
dying fish
nature protection areas had been flooded
Cultural problems:
10,000 years old buildings destroyed
rests of old factories and waste dumps could polute the ground water and the river itself
causes landslides
destroy fertile land
Full transcript