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Modeling of Atmospheric Radiocarbon Fluctuations for the Past Three Centuries

Published online by Cambridge University Press:  18 July 2016

P E Damon
Affiliation:
Laboratory of Isotope Geochemistry, Department of Geosciences, University of Arizona, Tucson, Arizona 85721
R S Sternberg
Affiliation:
Department of Geology. Franklin and Marshall College, P O Box 3003, Lancaster, Pennsylvania 17604
C J Radnell
Affiliation:
College of Earth Sciences, Australian National University, P O Box 4, Canberra, ACT 2600, Australia
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Relatively precise quantitative observations of geophysical parameters are available to evaluate the fluctuations of atmospheric 14C activity during the past three centuries. As reviewed by Damon, Lerman, and Long (1978), these fluctuations seem to result from three factors: 1) changes in the earth's dipole magnetic field intensity, which has been decreasing since the first measurements by Gauss (McDonald and Gunst, 1968); 2) solar modulation of the cosmic-ray production, which has been correlated with the sunspot record of Waldmeier (1961), and more recently, to the Aa geomagnetic index by Stuiver and Quay (1980); and 3) the combustion of fossil fuels (Suess, 1955). A relationship between the climatic time series and the 14C-derived record of solar change has not yet been demonstrated (Stuiver, 1980).

Type
I. Natural 14C Variations
Copyright
Copyright © The American Journal of Science 

References

Bacastow, R and Keeling, C D, 1973, Atmospheric carbon dioxide and radiocarbon in the natural carbon cycle. II. Changes from AD 1700 to 2070 as deduced from a geochemical model, in Woodwell, G M, and Pecan, E V, eds, Carbon and the biosphere, Brookhaven symposium in biol, 24th, Proc: Upton, New York, USAEC conf 720510, p 86135.Google Scholar
Baxter, M S and Farmer, J G, 1973, Radiocarbon: Short term variations: Earth Planetary Sci Letters, v 20, no. 3, p 295299.Google Scholar
Damon, P E, 1982, Fluctuation of atmospheric radiocarbon and the radiocarbon time scale, in Currie, L A, ed, Nuclear and chemical dating techniques: Interpreting the environmental record: Am Chem Sos symposium ser, no. 176, p 233244.CrossRefGoogle Scholar
Damon, P E, Lerman, J C, and Long, Austin, 1978, Temporal fluctuations of atmospheric 14C: causal factors and implications, in Annual review of earth and planetary sciences: Ann Rev Inc, Palo Alto, California, p 457494.Google Scholar
Damon, P E and Wallick, E I, 1972, Changes in atmospheric radiocarbon concentration during the last eight millennia, in Contributions to recent geochemistry and analytical chemistry, Moscow: Nauka Publ Office, p 441452 (in Russian; preprints in English).Google Scholar
Eddy, J A, 1976, The Maunder Minimum: Science, v 192, p 11891202.CrossRefGoogle ScholarPubMed
Ekdahl, C A and Keeling, C A, 1973, Atmospheric carbon dioxide and radiocarbon in the natural carbon cycle: I. Quantitative deductions from records at Mauna Loa observatory and at the South Pole, in Woodwell, G M, and Pecan, E V, eds, Carbon and the biosphere, Brookhaven symposium in biol, 24th, Proc: Upton, New York, 1972: USAEC conf 720510, p 5185.Google Scholar
Elsasser, W E, Ney, E P, and Winckler, J R, 1956, Cosmic ray intensity and geomagnetism: Nature, v 178, p 12261227.CrossRefGoogle Scholar
Grey, D C and Damon, P E, 1970, Sunspots and radiocarbon dating in the Middle ages, in Berger, Rainer, ed, Scientific studies in Medieval archaeology: Berkeley, Univ California Press, p 167182.Google Scholar
Hay, W W and Southam, J R, 1977, Modulation of marine sedimentation by the continental shelves, in Modulation of marine sedimentation by the continental shelves: New York, Plenum Press, p 569604.Google Scholar
Houtermans, J C, Suess, H E, and Oeschger, Hans, 1973, Reservoir models and production rate variations of natural radiocarbon: Jour Geophys Research, v 79, no. 12, p 18971908.CrossRefGoogle Scholar
Jokipii, J R, 1981, Correlation of the cosmic-ray intensity with solar-terrestrial parameters: Geophys Research Letters, v 8, no. 7, p 837839.Google Scholar
Lazear, Gregory, Damon, P E, and Sternberg, R S, 1980, The concept of DC gain in modeling secular variations in atmospheric 14C, in Stuiver, Minze and Kra, Renee, eds, Internatl radiocarbon conf, 10th, Proc: Radiocarbon, v 22, no. 2, p 318327.CrossRefGoogle Scholar
Light, E S, Merker, M, Verschell, H J, Mendell, R B, and Korff, S A, 1973, Time dependent worldwide distribution of atmospheric neutrons and of their products, 2, calculation: Jour Geophys Research, v 78, no. 16, p 27412762.CrossRefGoogle Scholar
Lingenfelter, R E and Ramaty, R, 1970, Astrophysical and geophysical variations in C14 production, in Olsson, I U, ed, Radiocarbon variations and absolute chronology: New York, John Wiley & Sons, p 513537.Google Scholar
McDonald, K L and Gunst, R H, 1968, Recent trends in the earth's magnetic field: Jour Geophys Research, v 73, no. 6, p 20572067.CrossRefGoogle Scholar
Nydal, R, Lövseth, K, and Gulliksen, S, 1979, A survey of radiocarbon variation in nature since the Test Ban Treaty, in Berger, Rainer and Suess, H E, eds, Radiocarbon dating, Internatl conf on radiocarbon dating, 9th, Proc: Berkeley, Univ California Press, p 313321.Google Scholar
O'Brien, K J, 1979, Secular variations in the production of cosmogenic isotopes: Jour Geophys Research, v 84, p 423431.Google Scholar
Oeschger, H, Siegenthaler, U, Schotterer, U, and Gugelmann, A, 1975, A box diffusion model to study the carbon dioxide exchange in nature: Tellus, v 27, no. 2, p 168192.CrossRefGoogle Scholar
Shea, M A and Smart, D F, 1981, Preliminary search for cosmic radiation and solar terrestrial parameters correlated with the reversal of the solar magnetic field: Advances in Space Research, v 1, no. 3, p 147150.CrossRefGoogle Scholar
Sternberg, R S and Damon, P E, 1979, Sensitivity of radiocarbon fluctuations and inventory to geomagnetic and reservoir parameters, in Berger, Rainer and Suess, H E, eds, Radiocarbon dating, Internatl conf on radiocarbon dating, 9th, Proc: Berkeley, Univ California Press, p 691720.Google Scholar
Stuiver, Minze, 1980, Solar variability and climatic change during the current millennium: Nature, v 286, p 868871.CrossRefGoogle Scholar
Stuiver, Minze and Quay, P D, 1980, Changes in atmospheric 14C attributed to a variable sun: Science, v 207, p 1119.Google Scholar
Suess, H E, 1955, Radiocarbon concentration in modern wood: Science, v 122, p 415417.Google Scholar
Waldmeier, M, 1961, The sunspot activity in the years 1610–1960: Zurich, Schulthess.Google Scholar
Walsh, J F, Rowe, G T, Iverson, R L, and McRoy, C P, 1981, Biological export of shelf carbon is a sink of global CO2 cycle: Nature, v 291, p 196201.Google Scholar