Search Results - "Porel, Gilles"

The Hydrogeological Experimental Site of Poitiers: Hydrogeological versus geophysical investigations by Mari, Jean Luc, Porel, Gilles

“…The University of Poitiers (France) has a Hydrogeological Experimental Site (HES) built near the Campus for the sole purpose of providing facilities to develop…”
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A Comparison of Different Methods to Estimate the Effective Spatial Resolution of FO-DTS Measurements Achieved during Sandbox Experiments by Simon, Nataline, Bour, Olivier, Lavenant, Nicolas, Porel, Gilles, Nauleau, Benoît, Pouladi, Behzad, Longuevergne, Laurent

“…For many environmental applications, the interpretation of fiber-optic Raman distributed temperature sensing (FO-DTS) measurements is strongly dependent on the…”
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Characterizing flow in the first hundred-meter depth of a fractured aquifer using hybrid seismic methods, acoustic logging, and flow-log measurements by Mari, Jean-Luc, Delay, Frederick, Porel, Gilles, Gaudiani, Pierre

“…Understanding subsurface flow, especially in fractured rocks only housing water through a few preferential pathways, is still challenging. The point is mainly…”
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Contribution of Full Wave Acoustic Logging to the Detection and Prediction of Karstic Bodies by MARI, Jean-Luc, POREL, Gilles, DELAY, Frederick

“…A 3D seismic survey was done on a near surface karstic reservoir located at the hydrogeological experimental site (HES) of the University of Poitiers (France)…”
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Suivi de l’infiltration sur le site expérimental hydrogéologique de Poitiers par tomographie de résistivité électrique by Pavageau, Clémence, Fischer, Pierre, Porel, Gilles, Caner, Laurent

“…Le Site Expérimental Hydrogéologique de Poitiers (SEH) a été le lieu d’implantation de deux profils de résistivité électrique, l’un de 47m et l’autre de 23m…”
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Simulation and analysis of solute transport in 2D fracture/pipe networks: The SOLFRAC program by Bodin, Jacques, Porel, Gilles, Delay, Fred, Ubertosi, Fabrice, Bernard, Stéphane, de Dreuzy, Jean-Raynald

“…The Time Domain Random Walk (TDRW) method has been recently developed by Delay and Bodin [Delay, F. and Bodin, J., 2001. Time domain random walk method to…”
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Analytical 2D model to invert hydraulic pumping tests in fractured rocks with fractal behavior by Delay, Frederick, Porel, Gilles, Bernard, Stephane

“…A solution to interference pumping tests in fractal fractured media of Euclidean dimension two has been developed. It is proposed in dimensioned variables with…”
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Inverse modeling in the time domain for solving diffusion in a heterogeneous rock matrix by Delay, Frederick, Porel, Gilles

“…A Lagrangian method has been developed to solve heterogeneous diffusion. The time domain on which the method rests allows for the coupling with a Gauss‐Newton…”
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Monitoring groundwater fluxes variations through active-DTS measurements by Simon, Nataline, Bour, Olivier, Lavenant, Nicolas, Porel, Gilles, Nauleau, Benoît, Klepikova, Maria

“…•Active-DTS methods are well suited for monitoring groundwater flows variations.•Temperature evolution during heating experiment is sensitive to fluxes…”
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Interpretation of out-diffusion experiments on crystalline rocks using random walk modeling by Sardini, Paul, Delay, Frederick, Hellmuth, Karl-Heinz, Porel, Gilles, Oila, Esa

“…Matrix diffusion in saturated rocks with very low permeability is one of the major mechanisms of solute transport. Laboratory out-diffusion experiments on rock…”
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Is subsurface geophysics as seismic and acoustic investigations a rescue to groundwater flow inversion? by Delay, Frederick, Mari, Jean-Luc, Porel, Gilles, Chabaux, François, Ackerer, Philippe

“…Understanding subsurface flow, especially in partly karstified rock formations mainly housing water through a few preferential pathways, is still challenging…”
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Numerical and Experimental Validation of the Applicability of Active‐DTS Experiments to Estimate Thermal Conductivity and Groundwater Flux in Porous Media by Simon, N., Bour, O., Lavenant, N., Porel, G., Nauleau, B., Pouladi, B., Longuevergne, L., Crave, A.

“…Groundwater flow depends on the heterogeneity of hydraulic properties whose field characterization is challenging. Recently developed active‐Distributed…”
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Delineation of discrete conduit networks in karst aquifers via combined analysis of tracer tests and geophysical data by Bodin, Jacques, Porel, Gilles, Nauleau, Benoît, Paquet, Denis

“…Assessment of the karst network geometry based on field data is an important challenge in the accurate modeling of karst aquifers. In this study, we propose an…”
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A dual flowing continuum approach to model denitrification experiments in porous media colonized by biofilms by Delay, Frederick, Porel, Gilles, Chatelier, Marion

“…We present a modeling exercise of solute transport and biodegradation in a coarse porous medium widely colonized by a biofilm phase. Tracer tests in large…”
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Combined fluid temperature and flow logging for the characterization of hydraulic structure in a fractured karst aquifer by Chatelier, Marion, Ruelleu, Sébastien, Bour, Olivier, Porel, Gilles, Delay, Frederick

“…► Heterogeneous flow structure is characterized by temperature and flow logs. ► Temperature signs the origin of waters and better delineates inflow depths. ►…”
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Predictive modelling of hydraulic head responses to dipole flow experiments in a fractured/karstified limestone aquifer: Insights from a comparison of five modelling approaches to real-field experiments by Bodin, Jacques, Ackerer, Philippe, Boisson, Alexandre, Bourbiaux, Bernard, Bruel, Dominique, Dreuzy, Jean-Raynald de, Delay, Frederick, Porel, Gilles, Pourpak, Hamid

“…► Five modelling approaches were tested against a well-studied limestone aquifer. ► Drawdown responses to dipole (pumping/reinjection) pumping tests had to be…”
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Combined fluid temperature and flow loggings for the characterization of hydraulic structure in a fractured karst aquifer by Chatelier, Marion, Ruelleu, Sébastien, Bour, Olivier, Porel, Gilles, Delay, Fred

“…Fractured karst aquifers are well known to conceal channeled flow where a few productive-water bearing conduits comprise a relatively small volume within the…”
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A new method of data inversion for the identification of fractal characteristics and homogenization scale from hydraulic pumping tests in fractured aquifers by Bernard, Stephane, Delay, Frederick, Porel, Gilles

“…Hydraulic interference pumping tests are widely used for identifying mid-to large-scale aquifer hydraulic parameters. Fractured reservoirs often behave as…”
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Flowpath structure in a limestone aquifer: multi-borehole logging investigations at the hydrogeological experimental site of Poitiers, France by Audouin, O., Bodin, J., Porel, G., Bourbiaux, B.

“…Since 2002, a new hydrogeological experimental site (HES) has been developed in Poitiers, France. The overall research objective related to this site is to…”
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Predictive modelling of hydraulic head responses to dipole flow experiments in a fractured/karstified limestone aquifer: Insights from a comparison of five modelling approaches to real-field experiments by BODIN, Jacques, ACKERER, Philippe, BOISSON, Alexandre, BOURBIAUX, Bernard, BRUEL, Dominique, DE DREUZY, Jean-Raynald, DELAY, Frederick, POREL, Gilles, POURPAK, Hamid

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