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Use of nuclear power plant released tritium as groundwater tracer

Barešić, Jadranka; Parlov, Jelena; Kovač, Zoran; Sironić, Andreja (2020) Use of nuclear power plant released tritium as groundwater tracer. Rudarsko-geolo�ko-naftni zbornik, 35 (1). pp. 25-34. ISSN 0353-4529

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Tritium presents natural radioactive isotope which can be used as tracer in hydrology. This paper presents usage of tritium in hydrogeological research of the Zagreb aquifer, which presents country`s strategic water reserves and is protected by the Republic of Croatia. In the research area higher tritium content in surface water and groundwater is the result of releasing coolant water from the Nuclear power plant Krško. Tritium content was measured in 13 piezometers and one pumping well, in the wider area of the Petruševec and Kosnica well fields. It has been shown that tritium from cooling water is much more pronounced than its natural seasonal variability, and it can be very useful as a tracer. Also, results showed that the intensity and delay of responses in aquifer depend on distance from the Sava River and piezometer depth. Furthermore, results suggest that variable hydrologic conditions can generate rapid change in the groundwater flow direction and affect tritium transport through the aquifer.

Item Type: Article
Uncontrolled Keywords: tritium ; nuclear power plant ; tracer ; Zagreb aquifer
Subjects: NATURAL SCIENCES > Geology
Divisions: Division of Experimental Physics
Depositing User: Jadranka Barešić
Date Deposited: 18 Mar 2020 12:40
DOI: 10.17794/rgn.2020.1.3

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