Abstract
The detailed radiocarbon age vs. calibrated (cal) age studies of tree rings reported in this Calibration Issue provide a unique data set for precise 14 C age calibration of materials formed in isotopic equilibrium with atmospheric CO 2 . The situation is more complex for organisms formed in other reservoirs, such as lakes and oceans. Here the initial specific 14 C activity may differ from that of the contemporaneous atmosphere. The measured remaining 14 C activity of samples formed in such reservoirs not only reflects 14 C decay (related to sample age) but also the reservoir 14 C activity. As the measured sample 14 C activity figures into the calculation of a conventional 14 C age (Stuiver & Polach 1977), apparent 14 C age differences occur when contemporaneously grown samples of different reservoirs are dated.
Keywords
Radiocarbon datingAtmosphere (unit)GeologyCalibrationStable isotope ratioEnvironmental scienceMineralogyPhysical geographyAtmospheric sciencesPaleontologyGeographyPhysicsMeteorologyNuclear physics
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Publication Info
- Year
- 1993
- Type
- article
- Volume
- 35
- Issue
- 1
- Pages
- 137-189
- Citations
- 1068
- Access
- Closed
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Cite This
Minze Stuiver,
Thomas F. Braziunas
(1993).
Modeling Atmospheric <sup>14</sup>C Influences and <sup>14</sup>C Ages of Marine Samples to 10,000 BC.
Radiocarbon
, 35
(1)
, 137-189.
https://doi.org/10.1017/s0033822200013874
Identifiers
- DOI
- 10.1017/s0033822200013874