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Natural Radiocarbon Variations from AD 200 to 800

  • Michael Bruns (a1), K O Münnich (a2) and Bernd Becker (a3)

Abstract

High precision radiocarbon measurements (±2.5‰ STD) were carried out on absolutely dated European oak material. These showed that significant short-term atmospheric 14C variations of up to 2 percent occurred between AD 200 and 800. These changes, reflecting a 150-to 180-year periodicity, seem to correlate with the average sunspot activity around that time. In comparison with results obtained by other authors, a very regular pattern of natural atmospheric 14C variations is exhibited.

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References

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Natural Radiocarbon Variations from AD 200 to 800

  • Michael Bruns (a1), K O Münnich (a2) and Bernd Becker (a3)

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