Tree rings dating
The most common, most accurate way to find the age of a tree is to count the number of rings visible when their trunk is cut horizontally.
Simply put, dendrochronology is the dating of past events (climatic changes) through study of tree ring growth botanists, foresters and archaeologists began using this technique during the early part of the 20th century discovered by ae douglass from the university of arizona, who noted that the wide rings of certain species of trees were.
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The increment borer removes a small cylinder or core of wood from the tree trunk by counting the thin bands (annual rings) on the wood cylinder, the approximate age of the tree can be determined. Tree ring dating (dendrochronology) has been used in an attempt to extend the calibration of carbon-14 dating earlier than historical records allow the oldest living trees, such as the bristlecone pines (pinus longaeva) of the white mountains of eastern california, were dated in 1957 by counting.
What is dendrochronology dendrochronology is the dating and study of annual rings in trees the word comes from these roots: ology = the study of chronos = time more specifically, events and processes in the past dendros = using trees more specifically, the growth rings of trees dendrochronologist a scientist who uses tree rings to answer.