Peter deMenocal and Jessica Tierney, University of Arizona (IMAGE)

University of Arizona

Peter deMenocal and Jessica Tierney, University of Arizona

Caption

Researchers Peter deMenocal and Jessica Tierney examine a core of marine sediments taken off the coast of West Africa. The team used that and other marine cores to figure out what West Africa's climate was thousands of years ago. The red color in the core is dust from the Sahara desert.

Credit

Lamont-Doherty Earth Observatory

Usage Restrictions

This photo may only be used to illustrate a story about the research described in the news release, "Green Sahara's Ancient Rainfall Regime Revealed." The photo credit must run with the picture.

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