Appliance of Hydrodynamical Model on Groundwater Source Fišerov Salaš (Serbia):

Appliance of Hydrodynamical Model on Groundwater Source Fišerov Salaš (Serbia): Possibility of Groundwater Source Protection

Miroslav Krmpotić1, Dušan Polomčić1, Veselin Dragišić1, Vladimir Živanović1

1 Faculty of Mining and Geology, Belgrade, Serbia

ABSTRACT: Groundwater source Fišerov Salaš is used for water supplying of Ruma commune in Serbia. The latest exploration gave realistic foundation for exploitation regime simulation and for sanitary protection zones determination all around the groundwater source. Mentioned simulations are obtained by using hydrodynamical model that relies in this specific case on 3D groundwater flow simulation. Groundwater source Fišerov Salaš model creating is carried out from the very beginning: from basic interpretation of input data, schematization of porous medium, flow field and terms of streaming, to model forming and measurements. In selection of basic model parameters, multilayer model with possibility of automatic streaming field change that is dependent of groundwater flow conditions is produced. In hydrodynamical model of groundwater source Fišerov Salaš following boundary conditions are applied: boundary with defined potential (piesometric head), river boundary condition, effective infiltration as residuum of infiltration by precipitation and evapotranspiration, and boundary condition with defined inflow. Groundwater flow in the model is calculated and simulated as real flow into confined or unconfined obtained results, registered levels in observed wells are used. Further analysis of groundwater source Fišerov Salaš is performed in order to determine prevalence of intersections of 50 and 200 days. Hydrodynamical model of groundwater source Fišerov Salaš fave important parameters for conclusions making considering aquifer formed in it. The greatest contribution of derived analysis of groundwater source system is implementations of aquifer schematization, boundary term defining, quantified groundwater balance, and determining sanitary protection zones.

Key words: hydrodynamical model, water supply, groundwater sources, hydrogeology, sanitary protection zones.