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The River Nile - PowerPoint PPT Presentation


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The River Nile. The Impacts of the Aswan Dam on the River Nile. What environmental effects has the Aswan Dam had on the Nile Drainage Basin? What socio-economic effects has the Aswan Dam had on the people of Egypt?. What is the Aswan Dam?. Constructed in 1971

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the impacts of the aswan dam on the river nile
The Impacts of the Aswan Dam on the River Nile
  • What environmental effects has the Aswan Dam had on the Nile Drainage Basin?
  • What socio-economic effects has the Aswan Dam had on the people of Egypt?
what is the aswan dam
What is the Aswan Dam?
  • Constructed in 1971
  • Regulates the flow of the River Nile
  • Lake Nasser was created as a result of the Dam
  • Lake Nasser stretches over a distance of more than 312 miles
why did egypt need a dam
Why did Egypt need a Dam?
  • The River Nile regularly flooded and destroyed crops
  • Irrigation
  • HEP
  • Navigation
what are the implications of the dam
What are the implications of the Dam?
  • Agriculture
  • Fishing
  • Delta
  • Water Loss
  • Ecosystems
agriculture
Agriculture
  • No sediment deposition
  • Fertiliser
  • Loss of Land
fishing
Fishing
  • Average fish stocks have declined from 35,000 tonnes in 1962 to approx. 9000 tonnes after the Dam was constructed
  • Lake Nasser is silting up
delta
Delta
  • Fertile land of the Delta is eroding a rapid rate
  • The Delta is the most fertile part of Egypt
  • Silt is no longer reaching the Delta
water loss
Water Loss
  • Egyptian evaporation rates have dramatically increased
  • Lake Nasser loses 10-16 billion cubic meters of water every year through evaporation
  • This volume of evaporation is approx. 20-30% of Egypts Nile Water