Abstract
The relationships between observed variations of the specific radiocarbon activity in the atmosphere and possible secular variations in (1) C14 production rate, (2) carbon residence times, and (3) carbon reservoir size are calculated. As was shown byde Vries,Wood andLibby, and others, variations in these geophysical parameters which determine the natural C14 activity in the atmosphere are strongly attenuated. Attenuation coefficients and phase shifts are calculated quantitatively and results are shown graphically.
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I would like to thank Professor H.E.Suess for suggesting this problem to me, and Dr. D.Zeh for valuable advice. Financial support for this work was received from the National Science Foundation (grant numbers GP-2022 and GP-3842).
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Houtermans, J. On the quantitative relationships between geophysical parameters and the natural C14 inventory. Z. Physik 193, 1–12 (1966). https://doi.org/10.1007/BF01326455
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DOI: https://doi.org/10.1007/BF01326455