Urban groundwater ; Groundwater resources of drinking water in urban and karst environment ; Aquifer recharge and discharge processes ; Vulnerability and risk assessment analyses of intergranular, fractured and karst aquifers ; Protection of drinking water resources in urban areas ; Application of artificial and environmental tracers for investigation of urban and karst aquifers: artificial tracers, stable isotopes and radioactive isotopes ; Vulnerability and risk assessment studies of the Ljubljana urban aquifer ; Distribution of trace elements in the Ljubljanica river catchment ; Emerging gronundwater contamints ; Strategy of groundwater resource management ; Climatic change and demand management aspects ; Optimal balance between environmental protection and economic use of groundwater resources ; Vulnerability and risk assessment studies of the Ljubljana urban aquifer ; Strategy of groundwater resource management ; Optimal balance between environmental protection and economic use of groundwater resources ; Hydrodynamic and quality monitoring methodologies of urban and karst aquifers ; Groundwater sampling techniques and in situ measurements : 36 hours of lectures, Erasmus+ Staff Teaching Mobility for academic yer 2016/17, presented at the Sveučilište u Rijeci, Gradževinski fakultet, Rijeka, Croatia, from 18. 9. 2017 till 17. 10. 2017 /