Flash Floods in the Desert
In Flash Floods in the Desert, narrator Sir David Attenborough explores how deserts respond to flash flooding, and how animals such as elephants survive in desert conditions. This video is excerpted from BBC's Planet Earth, a breathtaking documentary series that highlights the natural wonders of our planet.
Lesson Express
Q: Where does the water come from during a flash flood?
A: The water can come from rain in mountains more than 100 miles away.
Q: How often does the desert experience a flash flood?
A: The floods only happen once or twice a year and the water may only run for one day.
Q: Why do the oryx come out of the dunes?
A: The oryx come out of the dunes to build up their food reserves and to feed on the green vegetation produced by the rare water.
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