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News Release 11-039
Ancient Catastrophic Drought Leads to Question: How Severe Can Climate Change Become?
Extreme megadrought in Afro-Asian region likely had consequences for Paleolithic cultures
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A boat on Lake Tanganyika today; the lake's ancient surface water level fell dramatically.
Credit: Curt Stager
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Researchers conduct sediment coring to retrieve samples from Lake Tanganyika's floor.
Credit: Curt Stager
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The Ugandan trawler Ibis was used to extract cores from the bottom of Lake Victoria.
Credit: Curt Stager
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A wetland along Lake Victoria today, analogous to ancient drought conditions.
Credit: Curt Stager
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Microscopic grass phytolith, or "plant stone," from one of the Lake Victoria core samples.
Credit: Curt Stager
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Lake Elmenteita, Kenya: what Lake Victoria would have looked like in a shrunken state.
Credit: Curt Stager
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The researchers' findings are described in the February 25, 2011 issue of the journal Science.
Credit: Copyright AAAS 2011
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