West Africa Has Seen Many Severe Droughts (4 of 5) (IMAGE)

American Association for the Advancement of Science (AAAS)

West Africa Has Seen Many Severe Droughts (4 of 5)

Caption

Boys from nearby villages practicing traditional fishing methods on Lake Bosumtwi. Large tropical trees submerged in 15-20m of water provide evidence of severe, long lasting droughts just a few centuries ago. This image relates to an article that appeared in the April 17, 2009, issue of Science, published by AAAS. The study, by Dr. Timothy Shanahan at University of Texas at Austin and colleagues was titled, "Atlantic Forcing of Persistent Drought in West Africa."

Credit

Image courtesy of J.T. Overpeck and W. Wheeler, University of Arizona

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