Issue |
E3S Web Conf.
Volume 504, 2024
Journées Scientifiques AGAP Qualité 2024
|
|
---|---|---|
Article Number | 05003 | |
Number of page(s) | 22 | |
Section | Hydrogéologie | |
DOI | https://doi.org/10.1051/e3sconf/202450405003 | |
Published online | 26 March 2024 |
The Hydrogeological Experimental Site of Poitiers: Hydrogeological versus geophysical investigations
Le site hydrogéologique expérimental de Poitiers : investigations hydrogéologiques et géophysiques
1 Sorbonne Université, CNRS, EPHE, UMR 7619METIS, 4 Place Jussieu, 75005, Paris, France
2 IC2MP UMR 7285, Department of Earth Sciences, University of Poitiers, CNRS, HydrASA, F-86000 Poitiers, France
* Corresponding author: jeanluc90.mari@gmail.com
gilles.porel@univ-poitiers.fr
The University of Poitiers (France) has a Hydrogeological Experimental Site (HES) built near the Campus for the sole purpose of providing facilities to develop long-term monitoring and experiments investigating the water and mass transfer processes. The site has been investigated by conventional hydrogeological surveys including flow and temperature measurements, pumping and slug tests. The site was also subjected to geophysical investigations both in surface (3D seismic) and in wells (vertical seismic profile (PSV) and acoustic logging). The paper presents an overview of the different field experiments and shows their relative contribution to knowledge of the karstified Dogger limestones of the Poitou threshold.
Résumé
L’Université de Poitiers (France) dispose d’un Site Hydrogéologique Expérimental situé à proximité du Campus dans le seul but de développer des activités de surveillance et d’expérimentation à long terme des processus de transfert d’eau et de masse. Le site a fait l’objet d’études hydrogéologiques conventionnelles, incluant des mesures de débit et de température, des tests de pompage et d’interférence. Le site a également fait l’objet d’investigations géophysiques à la fois en surface (sismique 3D) et en puits (profil sismique vertical (PSV) et diagraphie acoustique). L’article présente une vue d’ensemble des différentes expériences et montre leur contribution relative à la connaissance des calcaires karstifiés (Dogger) du seuil du Poitou.
© The Authors, published by EDP Sciences, 2024
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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