Dendrochronology has become a fundamental tool in science, for reinforcing and expanding on the timelines of historical and ecological events in the past. Dendrochronology operates on the principle that in temperate climates, like the southwestern United States, trees grow one.
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or if a tree is planted near a creek or a river, for example, it may get so much water (and water is what makes those little tree cells expand) that the rings no longer equate to each year elapsed.
Dr. Ron Towner from the Laboratory of Tree-Ring Research at the University of Arizona explains the principles behind dendrochronology and why this dating method is valuable to archaeologists. Ron demonstrates how to accurately count tree-rings, and discusses the importance of.
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Say you also find a piece of wood from a different tree in that same forest, and it has 500 rings on it. If you were to lay a cross section of that wood on top of the older stump.
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