Tree ring dating accuracy

Tree ring dating confirms historical accounts of 'blood aurora'

Jump to navigation. The practical applications of the study of tree rings are numerous. Dendrochronology is an interdisciplinary science, and its theory and techniques can be applied to many applications. See our subdisciplines for examples. These research interests have in common the following objectives:. Ring-counting does not ensure the accurate dating of each individual ring. Numerous studies illustrate how ring-counting leads to incorrect conclusions drawn from inaccurate dating. Dendrochronologists demand the assignment of a single calendar year to a single ring. We at the LTRR use this method most often. To summarize:.

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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.

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I confess that the sentiment always takes me by surprise every time I encounter it. Dendrochronology is one of the oldest, most accurate and respected of the scientific dating techniques available to archaeologists. However, it seems that there are numerous folk out there who harbour the opinion that archaeologists are making it all up. Whether you think that means I am a secretive member of some shady cabal of archaeological illuminati is, of course, a matter between yourself and your gods. The science of tree-ring dating was first applied to archaeology during the early years of the twentieth century by A. He realised that it was possible to calculate the year in which a tree was felled, and therefore when its timbers were used in a structure, through a careful study of its growth rings.

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About Tree Rings

Thursday, September 06, Amy Hessl collects tree ring samples in Mongolia in Photo credit: Neil Pederson. In a paper published today in Nature Communications, a worldwide team of researchers has used tree ring dating to confirm that two significant "cosmic events" occurred in and CE. Cross-cultural eyewitness accounts of red or "blood" aurora correspond with these years.

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