By Elliott Bristol and Donna Brown
You might ask: is dendro contagious? Well, no, it isn’t, and it doesn’t cause any pain. Dendrochronology, or the short version dendro, is the science of dating wood. We all learned in grade school that counting the rings tells us how old a tree is, but how could the number of rings identify the year it was cut? As we came to understand, the pattern of the width of annual tree rings corresponds to annual climate variations, establishing a pattern of dry seasons and wet seasons. Comparing wood cores to known profiles allows for precise dating of when the tree was growing. And having the bark edge in the sample identifies when the tree was cut.
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