Hydrogeochemical conditions in the borehole Lu-1/94 in the area of Lucija near Portorož positioned in the close vicinity of sea are presented. The borehole is constructed in flysch and limestone. The groundwater has a very distinct chemistry. High concentrations of iron, sulphide, and chloride are representative showing that mixing of seawater and groundwater under highly reducing conditions is present in the confined carbonate aquifer. Groundwater flow is extensive and deep, fed by higher elevation precipitation to the northeast.
COBISS.SI-ID: 812126
In the study the main geogenic geochemical trends as well as an anomaly of high concentrations of heavy metals were established. It was found that the concentrations of heavy metals in the vicinity of lead smelter and the urban area of Veles for a couple of times officially exceeded certain critical values. At the same time the critical area of soil contamination with heavy metals, especially cadmium, lead and zinc is limited. Critical area of contaminated land in relation to our results is 6.6 km2. The research is one of the guiding principles for future remedial actions in the area of Veles.
COBISS.SI-ID: 1696341
Modelling of hydrological processes in karst aquifers is one of the biggest challenges in the field of hydrogeology. The paper presents conceptual approach of modelling that describes hydrological processes with combination of physically-based and empirical equations. This approach enables use of existing knowledge and data and simplification for those processes that cannot be accurately described. For the use in water management, modelling approach, which has been successfully tested in complex karst aquifer system, could be adapted to many other karst water resources.
COBISS.SI-ID: 1724245
The study of relationships between spring recharge and discharge is the key theme of the chapter. The research methods with an emphasis on artificial and environmental tracers are put into focus. Examples of the combined use of various geochemical and hydrologic tools are presented, which can considerably enhance our understanding of complex hydrodynamic conditions in the aquifer.
COBISS.SI-ID: 13840662
The article presents the application of isotope methods in the study of groundwater transport processes in the unsaturated zone of Selniška Dobrava coarse gravel aquifer. Emphasis is given to the use of environmental isotopes as natural tracers in the study of groundwater dynamics in the unsaturated zone. Estimation of groundwater flow characteristics was based on experimental work in lysimeter. Based on long-time isotope investigations with the use of lumped parameter models some water flow parameters (mean residence time, mean matrix flow velocity) in the unsaturated zone were calculated.
COBISS.SI-ID: 1597269