Hydrogeochemistry of Coastal Carbonate Aquifer in Lucija–Portorož (Gulf of Trieste, Northern Adriatic Sea, Slovenia)

Authors

  • Mihael Brenčič Department of Geology, Faculty of Natural Sciences and Engineering, University of Ljubljana, Aškerčeva ulica 12, Ljubljana Department of Hydrogeology, Geological Survey of Slovenia, Dimičeva ulica 14, Ljubljana

DOI:

https://doi.org/10.3986/ac.v38i2-3.122

Abstract

The 801 m deep artesian borehole Lu-1 in Lucija near Portorož (SW Slovenia) was drilled in 1994 on the coast. The borehole is constructed in flysch in the upper 257 m and continues in limestone below that depth. The groundwater has a very distinct chemistry. High concentrations of iron (10.4 mg/l), sulphide (15 mg/l), and chloride (6700 mg/l) are representative showing that mixing of seawater (31%) and groundwater (69%) 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.

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Published

2009-10-01

How to Cite

Brenčič, M. (2009). Hydrogeochemistry of Coastal Carbonate Aquifer in Lucija–Portorož (Gulf of Trieste, Northern Adriatic Sea, Slovenia). Acta Carsologica, 38(2-3). https://doi.org/10.3986/ac.v38i2-3.122

Issue

Vol. 38 No. 2-3 (2009)

Section

Original papers

License

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