Risk Assessment of Mineral Groundwater Near Rogaška Slatina

Branka Trcek, Albrecht Leis

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Groundwater resources of mineral and thermo-mineral water are invaluable for planning a sustainable spatial and economic development of the Rogaška Slatina area, which requires a protection of this natural heritage. Numerous previous investigations of Rogaška groundwaters were subjects to balneology and to demands for larger exploitation quantities, that is why information are missing that are essential for definition of the Rogaška fractured aquifer system with mineral and thermo-mineral water and for its protection. The isotopic investigations of groundwaters stored in the Rogaška Slatina fractured aquifer system were performed aiming at answering open questions on the groundwater recharge and dynamics, on connections between different types of aquifers and on solute transport. Environmental isotopes 2H, 18O, 3H, 13C of dissolved inorganic carbon and 14C were analysed in mineral, thermo-mineral and spring waters. Results indicated the source and mechanism of groundwater recharge, its renewability, a transit time distribution, hydraulic interrelationships, the groundwater origin and its evolution due to effects of water-rock interaction. The mean residence time estimates of mineral and thermo- mineral water in the aquifer are between 3400 and 14000 years. On the other hand, the mixing processes between younger and older waters or mineral and spring waters are reflected as well as waters that infiltrated predominantly after the 1960s. These suggest the vulnerability of the research systems to man-made impacts. The presented results coupled with available information on a physical hydrogeology and water chemistry asses the optimal balance between the environmental protection and economic use of mineral water resources in the study area. They are essential for the protection strategy development of mineral and thermo-mineral water in the Rogaška Slatina area bringing together the state administration and local authorities and stakeholders.

Original languageEnglish
Article number062009
JournalIOP Conference Series / Materials Science and Engineering
Volume245
Issue number6
DOIs
Publication statusPublished - 4 Nov 2017

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Risk assessment
Mineral Waters
Minerals
Groundwater
Aquifers
Springs (water)
Water
Hydrogeology
Groundwater resources
Solute transport
Economics
Environmental protection
Water resources
Isotopes
Carbon
Rocks
Hydraulics
Planning

ASJC Scopus subject areas

  • Materials Science(all)
  • Engineering(all)

Cite this

Risk Assessment of Mineral Groundwater Near Rogaška Slatina. / Trcek, Branka; Leis, Albrecht.

In: IOP Conference Series / Materials Science and Engineering, Vol. 245, No. 6, 062009, 04.11.2017.

Research output: Contribution to journalArticleResearchpeer-review

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