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Numerical modeling of water flow has developed to a standard in surface water and groundwater operations. Modeling of water flow in underground mines requires a special approach due to interlinked cavities. The same principle problem occurs in strongly jointed, inhomogeneous groundwater systems, like karst or jointed systems with a statistically well defined structural pattern. The key to simulate hydraulic processes in such environments is the reduction of model-balance-cells, following the requirements of the fl...

Uranium mining and milling in the palaeozoic schists and intrusions in the Buhovo area N of Sofia started in 1946 and abruptly ended in 1990. In order to minimize adverse effects on the hydrosphere a complex water management system was developed. The main purpose of this water management system was to provide control- and monitoring tools, enabling the heirs of the defunct mining area to reduce the inherent risks of the different water sources on the affected population’s health. The areas of critical influence ...