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Regionálne charakteristiky hydraulických parametrov hornín Brezovských Karpát

Year: 2024
Type: article
Abstract: Data from hydrodynamic tests previously carried out on 105 hydrogeological boreholes in the past in the area of the Brezovské Karpaty Mts. were reinterpreted in order to determine the regional statistical values of the hydraulic parameters of different rock types present in the area. The main parameter from which the reinterpreted values of coefficient of hydraulic conductivity and coefficient of transmissivity were derived was the standard specific discharge of the well, i.e. the pumped discharge achieved during the first meter of drawdown of the groundwater level in the well. Using the equations presented in the paper, hydraulic parameters were recalculated for Triassic dolomites and limestones of the hronicum unit, as well as for Cenozoic sediments forming their immediate overburden. The reinterpreted sets of hydraulic conductivity and transmissivity values, which were obtained for different rocks / hydrogeological units of the Brezovské Karpaty Mts., were shown on quantile diagrams together with the results obtained from a total of 2 787 wells located in similar rocks throughout the whole territory of Slovakia. Most of the evaluated hydrogeological units of the Brezovské Karpaty Mts. show similar regional characteristics of hydraulic parameters and their statistical distribution as their all-Slovakian datasets, except for the Middle Triassic dolomites. Middle Triassic dolomites show more than one order of magnitude higher values of both mean hydraulic conductivity and transmissivity values, what underlines the importance of this mountain range from the water management point of view.
DOI: 10.56623/gps.140.2
Authors: Štátny geologický ústav Dionýza Štúra, oddelenie hydrogeológie a geotermálnej energie, Mlynská dolina 1, 817 04 Bratislava, Peter Malík
Language: English
Open Access status: diamond
OpenAlex ID: W4408341650
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