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The Desert Speaks
Medieval Drought In The Southwest
Season 16
Episode 1611
Between roughly 900 and 1260 AD there was a massive drought that severely impacted the plants, animals and people of the Southwest. David Yetman observes how scientists use tree rings to gather evidence from thousands of years ago. Examine the ruins of some of the people most affected by the drought, the Anasazi Indians. Trek through a “ghost forest” for a first-hand look at “yoda” trees.
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27:35
Scientists come from all over the world to study at the Southwestern Research Station.
27:50
How many mysteries are being solved and many benefits realized by the study of the desert.
27:21
Explore some real desert islands where birds, plants and animals struggle to survive.
27:30
Take a closer look a the animals and plants in and along the Sea of Cortez.
27:51
Explore riparian areas surrounding the Colorado River.
27:42
Take a look at some fascinating ways people can learn about the desert.
27:41
Spring in the Sonoran Desert is a time of beauty and abundant life.
27:45
Some amazing research projects which help the wild inhabitants of the desert.
27:41
Explore the hottest and driest region of North America, just south of the border.
27:25
The arduous journey of water through the Sonoran Desert Valley.
27:44
Over millions of years, geological formations have produced the Sonoran Desert.
27:42
What makes a desert, a desert?