Abstract
The study of Orangeville Rise (USA, Indiana) and Hubelj (SW Slovenia) karst springs’ storm hydrographs was the principal theme of our research. We used three and four component hydrograph separation techniques that were based on natural tracers. The results are similar in both study areas. They are in agreement with actual research hypothesis where it is supposed that an important part of the karst aquifer’s recharge arrives, rapidly and in concentrated form, from the epikrarst zone. The synthesis of data demonstrates that epikarst water could occupy up to 50 % of the karst spring discharge during the precipitation event that should not be neglected in karst aquifer’s protection strategies.
Highlights
The study of Orangeville Rise (USA, Indiana) and Hubelj (SW Slovenia) karst springs’ storm hydrographs was the principal theme of our research
We used three and four component hydrograph separation techniques that were based on natural tracers
They are in agreement with actual research hypothesis where it is supposed that an important part of the karst aquifer’s recharge arrives, rapidly and in concentrated form, from the epikrarst zone
Summary
KROTHE2 1Geolo{ki zavod Slovenije, Dimi~eva 14, SI-1000 Ljubljana, Slovenia 2Indiana University, Department of Geological Sciences, 1001 East Tenth Street, IN 47405. Klju~ne besede: kra{ki vodonosnik, naravna sledila, nevihtni hidrogrami, epikra{ka cona, hidravli~no obna{anje
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