What is it about?
Anomalous behaviour of specific electrical conductivity (SEC) was observed at a karst spring in Slovenia. This study presents a conceptual model explaining this behaviour, which has been confirmed and refined by numerical investigations. The findings of this study have practical implications for groundwater protection.
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Why is it important?
A generalised finite difference model including high-conductivity cells representing the conduit network (“discrete-continuum approach”) was set up to simulate the observed behaviour of the karst system. The model results confirmed the shifting groundwater divide and the simultaneous increase of discharge and SEC during high-flow periods. The observed behaviour is relevant for groundwater source protection zoning, which requires reliable delineation of catchment areas.
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This page is a summary of: Anomalous behaviour of specific electrical conductivity at a karst spring induced by variable catchment boundaries: the case of the Podstenjšek spring, Slovenia, Hydrological Processes, February 2011, Wiley,
DOI: 10.1002/hyp.7966.
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