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Proceedings of the International Association of Hydrological Sciences An open-access publication for refereed proceedings in hydrology
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The method for reconstructing the long-term dependence of radionuclide concentrations in rivers and reservoirs based on their vertical distribution in bottom sediments is proposed. Reconstructed time dependencies of particulate and dissolved Cs-137 activity concentrations in the Upa River were found to be described well by the semi-empirical “diffusion” model.
PIAHS | Articles | Volume 381
Proc. IAHS, 381, 95–99, 2019
https://doi.org/10.5194/piahs-381-95-2019
Proc. IAHS, 381, 95–99, 2019
https://doi.org/10.5194/piahs-381-95-2019

Post-conference publication 01 Aug 2019

Post-conference publication | 01 Aug 2019

Reconstruction of long-term dynamics of Chernobyl-derived 137Cs in the Upa River using bottom sediments in the Scheckino reservoir and semi-empirical modelling

Alexei V. Konoplev et al.

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Cited articles

Bulgakov, A. A., Konoplev A. V., Kanivets, V. V., and Voitsekhovich, O. V.: Modelling the long-term dynamics of radionuclides in rivers, Radioprotection – Colloques, 37, 649–654, 2002. 
Crank, J.: The mathematics of diffusion, Oxford University Press, 56–61, London, UK, 1975. 
Golosov, V. N., Walling, D. E., Konoplev, A. V., Ivanov, M. M., and Sharifullin, A. G.: Application of bomb- and Chernobyl-derived radiocaesium for reconstructing changes in erosion rates and sediment fluxes from croplands in areas of European Russia with different levels of Chernobyl fallout, J. Environ. Radioactiv., 186, 78–89, https://doi.org/10.1016/j.jenvrad.2017.06.022, 2018. 
Ivanov, M. M., Golosov, V. N., and Belyaev, V. R.: Analysis of topography structure for evaluation of sediment delivery ratio within the Plava river basin (Tula oblast), Moscow University Bulletin, ser. 5, Geography, 3, 14–23, 2017.  
Ivanov, Y. A., Lewyckyj, N., Levchuk, S. E., Prister, B. S., Firsakova, S. K., Arkhipov, N. P., Kruglov, S. V., Alexakhin, R. M., Sandalls, J., and Askbrant, S.: Migration of 137Cs and 90Sr from Chernobyl fallout in Ukrainian, Belarussian and Russian soils, J. Environ. Radioactiv., 35, 1–21, 1997. 
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Short summary
The method for reconstructing the long-term dependence of radionuclide concentrations in rivers and reservoirs based on their vertical distribution in bottom sediments is proposed. Reconstructed time dependencies of particulate and dissolved Cs-137 activity concentrations in the Upa River were found to be described well by the semi-empirical “diffusion” model.
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