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The Abundence of the Cosmogeneous Isotopes 10Be and 14C in Natural Archives, Earth Climate Variations and Solar Activity in the Middle Holocene

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Abstract

The data on the content of the 10Be cosmogenic isotope in the GISP2 Greenland ice core are presented. The reconstruction of the heliospheric modulation potential (HMP) was carried out for 6000–1348 BC. A systematic decrease in the HMP over this time interval was found, which corresponds to a decrease in global surface temperature after 3000 BC and a decrease in the HMP obtained from radiocarbon data in previous studies. Thus, the decline in global temperature after 3000 AD could be caused by a decrease in solar activity.

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Funding

This work was supported by ongoing institutional funding. No additional grants to carry out or direct this particular research were obtained.

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Authors and Affiliations

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

    I. V. Kudryavtsev & V. A. Dergachev

  2. Central Astronomical Observatory at Pulkovo, Russian Academy of Sciences, St. Petersburg, Russia

    I. V. Kudryavtsev & Yu. A. Nagovitsyn

  3. State University of Aerospace Instrumentation, St. Petersburg, Russia

    Yu. A. Nagovitsyn

Authors
  1. I. V. Kudryavtsev
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  2. V. A. Dergachev
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  3. Yu. A. Nagovitsyn
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Correspondence to I. V. Kudryavtsev.

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Kudryavtsev, I.V., Dergachev, V.A. & Nagovitsyn, Y.A. The Abundence of the Cosmogeneous Isotopes 10Be and 14C in Natural Archives, Earth Climate Variations and Solar Activity in the Middle Holocene. Geomagn. Aeron. 63, 1285–1289 (2023). https://doi.org/10.1134/S0016793223080133

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