Cd carbon dating
The predominance of 14C-depleted air in the northern hemisphere is the result of burning of fossil fuels, which contian zero radiocarbon.
An atmosheric measurement program to test these predictions would be useful in reducing uncertainty about the present sources and sinks of carbon dioxide.
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We have calculated isotope shifts for several one- and two-photon transitions in neutral carbon.The results provide a unified interpretation of existing experimental data, and they demonstrate the applicability of a new method of ultrasensitive isotope trace analysis to carbon.© 1983 Optical Society of America Full Article | PDF Article You do not have subscription access to this journal.Also shown on this plot are the data collected between 1958 and the present by C. Relatively small imbalances in the natural cycles also influence the atmospheric CO2 concentration.Figure 3: Model-generated prediction (Randerson, unpublished) of the global variation of radiocarbon content in the carbon dioxide in the lower atmosphere (expressed as the deviation in parts per thousand from carbon dioxide at the South Pole).
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