Arizona Science explores the latest scientific research and technological innovations taking place in Southern Arizona and at the University of Arizona.
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Episode 172: Tree Rings and Climate Change
Tree ring research is more than just determining the age of trees. Trees can relay information about climate history that goes beyond simple weather records about rainfall or temperature change. The University of Arizona was a pioneer in the study of tree rings in the 1920s, and tree ring research has since become a field of study worldwide. U of A scientists have studied the historical of record of trees dating back 5,000 years.