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An 11,000-Year German Oak and Pine Dendrochronology for Radiocarbon Calibration

Published online by Cambridge University Press:  18 July 2016

Bernd Becker*
Affiliation:
Institut für Botanik, Universität Hohenheim, D-7000 Stuttgart 70 Germany
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Sequences of dendrodated tree rings provide ideal sources for radiocarbon calibration. The wood structure of trees consists of continuous series of annual growth layers, the carbon content of which can be 14C-dated and calibrated to calendar yr. The cellulose and lignin of trees deposited in river gravels or peat-bog sediments below the water table are often very well preserved, even after several millennia. Such tree-trunk deposits are well protected from contamination by younger or older organic materials. Further, the physical and chemical structure of wood allows a strong chemical pretreatment of samples for 14C analysis.

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Articles
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Copyright © The American Journal of Science 

References

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