Tree Rings: Ancient Evidence Today's Megafires are Truly Unusual (VIDEO)

Southern Methodist University

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Today's mega forest fires of the southwestern US are truly unusual and exceptional in the long-term record, suggests an unprecedented study that examined 1,500 years of ancient tree ring and fire data from two distinct climate periods. Study co-author and fire anthropologist Christopher I. Roos, Southern Methodist University, Dallas, describes the research and its implications.

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