Treeering dating


04-Nov-2019 08:15

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A bonus of dendrochronology is that the width and substructure of each ring reflect the amount of rain and the season at which the rain fell during that particular year.Thus, tree ring studies also allow one to reconstruct the past climate, e.g., a series of wide rings means a very wet period, and a series of narrow rings means a drought.Tree Ring eliminates waste by only printing as many books as ordered, but we also go one step further: we plant a tree for every yearbook sold.A large new study has found that people who regularly took a siesta were significantly less likely to die of heart disease.Tree-ring dating works because a tree grows larger—not just height but gains girth—in measurable rings each year in its lifetime.The rings are the cambium layer, a ring of cells that lies between the wood and bark and from which new bark and wood cells originate; each year a new cambium is created leaving the previous one in place.

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They then match up and align the tree ring sequences with the same diagnostic wide/narrow patterns from different beams.In that way, dendrochronologists have constructed tree-ring records extending back for thousands of years in some parts of the world.



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