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12 Cards in this Set
- Front
- Back
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What is the source of the white nile?
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Lake Victoria, Burundi
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What is the source of the Blue Nile?
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Lake Tana, Ethiopia
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What is the behavior of the White and Blue Nile?
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Fast and powerful, until it reaches Sudan where the 2 niles meat
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What are some pro's of the aswan high dam?
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Hydroelectric potential- controls river flow during flood season- release water at steady flow for people
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What are some negatives of the Aswan high dam?
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people have to evacuate( houses covered by water) - traps silt, less for farmers
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How do humans adapt to the Sahara desert?
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raise camels - wear lots of cloth to protect from sun - trade for what they need- drilling machines create oases- trucks/ planes to fly people between oases- use stars to navigate at night
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How do plants adapt to the Sahara desert?
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sprout after rain, leave seeds, then die- send roots deep underground to find water and to hold plants in place during sandstorms/floods- waxy leaves to hold moisture
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How do humans adapt to the oasis environment?
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grow crops- trade- make houses out of mud bricks- use windbreaks
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what are the water problems caused at oasis towns?
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water not accesesable by everyone- water shortages
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how do humans adapt to the Sahel?
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crops that grow in dry places ( millet and sorghum) - use "shifting agriculture"
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What are human causes of desertification
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cash crops wear out soil faster than traditional crops- nomads increased size of herds causing loss of vegetation- deforestation ( firewood)
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what are people doing to dry and stop desertification?
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using coal for cooking
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