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26-Nov-2019 01:48

A recent attempt to use tree ring analysis on olive trees (Cherubini and colleagues) revealed that too much variation of the cambium occurs in olives to make dendrochronology viable.

That study was one of ongoing attempts to determine a reliable chronology of the Mediterranean Bronze Age.

See the cal BP discussion for additional information about radiocarbon calibration.

Tree-ring dating works because a tree grows larger--not just height but gains girth--in measurable rings each year in its lifetime.

Regional long-term growth trends in the trees are responding strongly to the changing environment of water stress and warming temperatures.

Wang and Zhao used dendrochronology to look at the dates of one of the Silk Road routes used during the Qin-Han period called the Qinghai Route.

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Some historical sources had reported the Qinghai route was abandoned by the 6th century AD: dendrochronological analysis of 14 tombs along the route identified a continuing use through the late 8th century.Lübeck's medieval history includes several events that are pertinent to the study of tree rings and forests, including laws passed in the late 12th and early 13th century establishing some basic sustainability rules, two devastating fires in 12, and a population crash between about 13 resulting from the Black Death.



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