Dendrochronology of tree ring dating

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Dendrochronology , also called tree-ring dating , the scientific discipline concerned with dating and interpreting past events, particularly paleoclimates and climatic trends, based on the analysis of tree rings. Samples are obtained by means of an increment borer, a simple metal tube of small diameter that can be driven into a tree to get a core extending from bark to centre. This core is split in the laboratory, the rings are counted and measured, and the sequence of rings is correlated with sequences from other cores. Dendrochronology is based on the fact that many species of trees produce growth rings during annual growing seasons. The width of the ring i.
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Dendrochronology: How Tree-Ring Dating Reveals Human Roots

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Dendrochronology - Tree Ring Records of Climate Change

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 patterns and master chronologies. Trees are often used to make analogies about the past. Family trees, the tree of life, getting back to your roots…. But beyond the powerful imagery that trees give us to represent our history, what can trees actually tell us about the past?
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About Tree Rings

Dendrochronology is the study of data from tree ring growth. Due to the sweeping and diverse applications of this data, specialists can come from many academic disciplines. There are no degrees in dendrochronology because though it is useful across the board, the method itself is fairly limited. Most people who enter into studying tree rings typically come from one of several disciplines:. Though dendrochronology also has uses for art historians, medieval studies graduates, classicists, ancient and historians due to the necessity to date some of the materials that the fields will be handling in their research projects.
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Dating of archaeological timbers. Dating of period buildings. Dendrochronology or tree-ring dating is the scientific method of dating using the annual nature of tree growth in suitable tree species. Dendrochronology allows the exact calendar year in which each tree rings was formed to be established enabling the precise dating of trees and timbers.
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