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Changes in the geomagnetic dipole moment over last 12 thousand years, the concentration of cosmogenic isotopes, and optimization of 14C exchange parameters between atmosphere and ocean

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

The long-term variations in the production rate of 10Be and 14C in the Earth’s atmosphere during the last 10 thousand years caused by the geomagnetic-field effect have been investigated. It is shown that the difference in the correlation coefficient between the production rate of 10Be and 14C and variations in the dipole magnetic moment of the Earth is due to the lack of knowledge about the 14C exchange parameter for the carbon reservoir. The optimal parameters of the reservoir model of radiocarbon exchange, averaged over 10 thousand years, are found.

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Authors and Affiliations

  1. Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia

    S. S. Vasil’ev & V. A. Dergachev

Authors
  1. S. S. Vasil’ev
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  2. V. A. Dergachev
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Additional information

Original Russian Text © S.S. Vasil’ev, V.A. Dergachev, 2007, published in Izvestiya Rossiiskoi Akademii Nauk, Seriya Fizicheskaya, 2007, Vol. 71, No. 7, pp. 1037–1040.

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Vasil’ev, S.S., Dergachev, V.A. Changes in the geomagnetic dipole moment over last 12 thousand years, the concentration of cosmogenic isotopes, and optimization of 14C exchange parameters between atmosphere and ocean. Bull. Russ. Acad. Sci. Phys. 71, 1006–1009 (2007). https://doi.org/10.3103/S1062873807070349

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  • DOI: https://doi.org/10.3103/S1062873807070349

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