Abstract
Groundwater flow circulating in a karstic hydrosystem is very difficult to grasp in space and time. In cases where the karstic aquifer is located between two rivers, the watershed is not easy to identify using a single analysis of a geological map. In this study, the understanding regarding the karstic hydrosystem between the Ardèche and Cèze Rivers, in the South of France, is advanced. This study especially highlights that the watershed of a karstic hydrosystem evolves depending on the hydric condition of the karstic aquifer. The results are obtained by artificial tracing analysis through the karstic network.
Highlights
Karst aquifer studies arouse a great interest given the fact that they represent important freshwater resources
In order to understand the underground flows, the tracer tests between surface water loss and karst springs are appropriate to characterize the karstic hydrosystem properties [3]
Artificial tracing studies can differentiate the classes of conduit network [13]
Summary
3rd World Multidisciplinary Earth Sciences Symposium (WMESS 2017), IAEG ( International Association for Engineering Geology and the Environnement), Sep 2017, Prague, Czech Republic. HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and research institutions in France or abroad, or from public or private research centers. L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignement et de recherche français ou étrangers, des laboratoires publics ou privés. To cite this article: Hervé Chapuis et al 2017 IOP Conf. View the article online for updates and enhancements
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