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Contact: Peter West
pwest@nsf.gov
703-292-7530
National Science Foundation

Female Graduate Student Examines Lake Sediment Core from Southern Alaska

Caption: The examination of lake sediment core from southern Alaska shows intricate layering indicating environmental and climatic changes over centuries.

Credit: Darrell S. Kaufman, Northern Arizona University

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Related news release: Analysis of 2,000 years of climate records finds global cooling trend ended in the 19th century


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