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The valley system of the Jihlava river and Mohelno reservoir with enhanced tritium activities

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    0473571 - ÚJF 2018 RIV GB eng J - Journal Article
    Šimek, Pavel - Kořínková, Tereza - Světlík, Ivo - Povinec, P. P. - Fejgl, Michal - Malátová, I. - Tomášková, Lenka - Štěpán, Václav
    The valley system of the Jihlava river and Mohelno reservoir with enhanced tritium activities.
    Journal of Environmental Radioactivity. Roč. 166, SI (2017), s. 83-90. ISSN 0265-931X. E-ISSN 1879-1700
    Institutional support: RVO:61389005
    Keywords : Tritium (H-3) * non-exchangeable organically bound tritium (NE-OBT) * tissue free water tritium (TFWT) * nuclear power plant (NPP) * biota * HTO
    OECD category: Environmental sciences (social aspects to be 5.7)
    Impact factor: 2.263, year: 2017

    The Dukovany nuclear power plant (NPP Dukovany) releases liquid effluents, including HTO, to the Mohelno reservoir, located in a deep valley. Significantly enhanced tritium activities were observed in the form of non-exchangeable organically bound tritium in the surrounding biota which lacks direct contact with the water body. This indicates a tritium uptake by plants from air moisture and haze, which is, besides the uptake by roots from soil, one of the most important mechanisms of tritium transfer from environment to plants. Results of a pilot study based on four sampling campaigns in 2011-2015 are presented and discussed, with the aim to provide new information on tritium transport in the Mohelno reservoir - Jihlava River - plants ecosystems.
    Permanent Link: http://hdl.handle.net/11104/0270702

     
     
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