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Wpływ projektowanego odwodnienia kopalni wapienia „Celiny” (woj. świętokrzyskie) na stan ilościowy wód podziemnych

Buszta K., Szklarczyk T., Malina G.

Przegląd Geologiczny

2017

Vol. 65, nr 11/1

938--945

The influence and amounts of groundwater inflow to the open pit limestone mine "Celiny” (Kielce region, southern Poland) were determined in this paper. Based on the collected data, a quantitative assessment of the groundwater bodies (GWB) Nos. 101 and 115 was conducted, and the range of the depression cone and the impact on water intakes operating in the vicinity of the mine were determined. The collectedfield and archival data were used to build a conceptual model, based on which a numerical model of the groundwater circulation system was developed using Visual MODFLOW software. The numerical model maps the five-layer groundwater circulation system in conjunction with surface watercourses. The external boundary of the 130 km2 model area (divided into square grids of 50 m) was based mainly on watercourses and locally on watersheds. Computer simulations (15 in total) were carried out for three hydrodynamic conditions related to the multi-year (1951-2015) precipitation: average, dry and wet, for three ordinates of the open pit drainage: 241.5, 230.5 and 219.5 m a.s.l. and a diverse exploitation status of the existing groundwater intakes, and taking into account the open pits operating in the research area. The results show that the designed drainage of the open pit mine will not have a significant impact on the quantitative status of the adjacent GWBs.