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Doklady Earth Sciences

, Volume 483, Issue 2, pp 1582–1586 | Cite as

Changes in the Radiation State of Bottom Sediments in Yenisei Gulf

  • A. Yu. MiroshnikovEmail author
  • M. V. Flint
  • E. O. Dubinina
  • En. E. Asadulin
  • S. A. Shchuka
  • A. A. Usacheva
OCEANOLOGY
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Abstract

This paper reports on the results of radiation monitoring of bottom sediments in Yenisei Gulf for the period from 1995 to 2016. Clear positive trends in changing the radiation situation have been established. The obtained results showed that the radiocesium activity decreased by half not only in the surface layer but also in different horizons within the bottom sediments. The avalanche sedimentation rates ranging from 3.2 to 5.9 mm per year were determined. To estimate the sedimentation rates in the geochemical barrier zone, an alternate technique was proposed.

Notes

ACKNOWLEDGMENTS

This work was supported by the Russian Foundation for Basic Research (project nos. 18-05-00480 and 18-05-00740) and the Russian Science Foundation (project no. 14-50-00095).

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • A. Yu. Miroshnikov
    • 1
    Email author
  • M. V. Flint
    • 2
  • E. O. Dubinina
    • 1
  • En. E. Asadulin
    • 1
  • S. A. Shchuka
    • 2
  • A. A. Usacheva
    • 1
  1. 1.Institute of Geology of Ore Deposits, Petrography, Mineralogy, and Geochemistry, Russian Academy of SciencesMoscowRussia
  2. 2.Shirshov Institute of Oceanology, Russian Academy of SciencesMoscowRussia

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