Large Scale Water Transfer Scheme-Lesotho-South Africa Flashcards
Where is Lesotho?
Southern Hemisphere, South Africa, surrounded by the country of South Africa
Lesotho is a LIC but why does Lesotho have water surplus?
Mountainous area and low demand
On completion of the water transfer scheme, what percentage of water from the Segu (orange) river in Lesotho will be transferred to the river Vaal in South Africa?
40%
How long will the local water transfer scheme take to complete?
30 years
By 2020 how many km of tunnels will there be from the local water transfer scheme?
200km of tunnels
How much water will be transferred to South Africa each year?
2000 million metres cubed
Give an advantage and disadvantage of the local water transfer scheme for South Africa.
Provides safe water for 10% of the population who normally wouldn’t have safe water
Costs likely to reach $4 billion
Give an advantage and disadvantage of the local water transfer scheme for Lesotho.
Provides 75% GDP
30,000 people relocated for the first 2 dans
Where is the wakel river basin?
Thar desert, south of Rajasthan
What is the maximum temperature and rainfall in the thar desert?
53 degrees and 250mm/year
Give four causes of water supply issues in the Thar desert.
Poor management
Too much irrigation
Over abstraction
Access to wells controlled by families
What were the two main aims of the wakel river basin project?
Increase water supply and storage using appropriate local solutions
Raise awareness in local communities of the need for effective water management
What were the four methods used in the wakel river basin project?
Taankas, joheds, pats and bunds
Give two advantages of the wakel river basin project.
Water table has risen
Local people were involved in the decision making
Give two disadvantages of the wakel river basin project.
Irrigation channels need regular maintenance
Further education is needed
