Tree Rings Reveal Centuries of Climate Patterns

· Apr. 5, 2010, 3:59 pm

Tree rings don't just reveal the age of a tree.They also indicate how wet or dry it was when they formed.Scientists who study tree rings have found periods of extended drought in the westâ€”going back hundreds of years.Water managers are paying close attention.Ryan Warner speaks with Connie Woodhouse, who specializes in reconstructing climates from tree rings.

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