4.3 Multi-purpose River Projects in Africa

• Meaning of multi-purpose river projects, and how a multi-purpose dam works
• Selected multi-purpose river projects in Africa
• The River Tana projects in Kenya
• Conditions that led to the establishment of the River Tana projects
• The Aswan High Dam in Egypt
• Economic importance of multi-purpose river projects in Africa
• Challenges facing multi-purpose river projects
• Solutions to the challenges facing multi-purpose river projects

• identify selected multi-purpose river projects on a map of Africa
• outline the conditions that led to the establishment of multi-purpose river projects along River Tana
• examine the economic importance of multi-purpose river projects in Africa
• assess challenges facing multi-purpose river projects in Africa
• design solutions to challenges facing multi-purpose river projects in Africa
• recognise the importance of multi-purpose river projects in society

“How useful are multi-purpose river projects in society?”

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1. What a multi-purpose river project is
   40 min · 1 practice tasks · quiz
   One dam wall serving power, irrigation, water supply, flood control, fishing, transport and tourism.
2. River projects across Africa
   40 min · 1 practice tasks · quiz
   From the Tana to the Nile, Zambezi, Volta and Niger: locating Africa's great river projects.
3. The River Tana projects
   40 min · 1 practice tasks · quiz
   Five dams in a cascade, each reusing the same water, and irrigation downstream at Bura and Hola.
4. Why the Tana was chosen
   40 min · 1 practice tasks · quiz
   Reliable water, good dam sites, a steep fall, land downstream, demand and few people displaced.
5. The Aswan High Dam
   40 min · 1 practice tasks · quiz
   One very large dam that tamed the Nile, created Lake Nasser, and moved a people and their temples.
6. The economic importance of river projects
   40 min · 1 practice tasks · quiz
   Power, irrigation, water, flood control, fish, tourism, transport and jobs, and what they earn.
7. Challenges facing river projects
   40 min · 1 practice tasks · quiz
   Siltation, drought, evaporation, lost silt, displacement, disease, disputes and cost.
8. Designing solutions
   40 min · 2 practice tasks · quiz
   Protect the catchment, diversify energy, compensate fairly, fight disease and agree on shared rivers.