Rivers, Lakes, and Dams in South Africa (Grade 10 NSC Matric Geography): Flashcards
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Dams definition
Dams definition
Artificial lakes created by building walls across rivers
Number of natural lakes in South Africa
Number of natural lakes in South Africa
Few natural lakes
South Africa's national average yearly rainfall
South Africa's national average yearly rainfall
Less than 500mm
% of rainfall that becomes surface water
% of rainfall that becomes surface water
8.6%
Average daily sunshine hours in South Africa
Average daily sunshine hours in South Africa
8.5 hours
New boreholes drilled per week in South Africa
New boreholes drilled per week in South Africa
Approximately 1,000
Capacity of Gariep Dam (million cubic metres)
Capacity of Gariep Dam (million cubic metres)
5,340
Province with 5 of the 10 largest dams
Province with 5 of the 10 largest dams
Free State
Height of Vanderkloof Dam wall
Height of Vanderkloof Dam wall
108 metres
% of river flow carried by Gariep-Orange River system
% of river flow carried by Gariep-Orange River system
More than 20%