Search Results - "Kaufmann, Olivier"

Detection and mapping of ghost-rock features in the Tournaisis area through geophysical methods – an overview by Olivier KAUFMANN, John DECEUSTER

“…In the context of cover-collapse sinkholes, as in the Tournaisis area, the detection of palaeokarst features allows to delineate, at a local scale, areas that…”
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Le système karstique de Sprimont (Belgique). Holotype d’une spéléogenèse par fantômisation by Dupont, Nicolas, Quinif, Yves, Dubois, Caroline, Cheng, Hai, Kaufmann, Olivier

“…Le système karstique de Sprimont est riche de phénomènes karstiques variés dans un contexte géologique bien défini : un synclinal de carbonates carbonifères…”
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The evolution of the mineralogical and petrophysical properties of a weathered limestone in southern Belgium by Caroline DUBOIS, Yves QUINIF, Jean-Marc BAELE, Fabrice DAGRAIN, John DECEUSTER, Olivier KAUFMANN

“…The weathering of limestone results in the partial dissolution of calcium carbonate and leaves a soft porous material called alterite. The properties of the…”
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Improving the delineation of hydrocarbon‐impacted soils and water through induced polarization (IP) tomographies: A field study at an industrial waste land by Deceuster, John, Kaufmann, Olivier

“…Without a good estimation of samples representativeness, the delineation of the contaminated plume extent and the evaluation of volumes of hydrocarbon-impacted…”
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Fantômisation : un nouveau paradigme entre la théorie des deux phases de Davis et la théorie de la biorhexistasie d’Erhart by Yves QUINIF, Jean-Marc BAELE, Caroline DUBOIS, Cécile HAVRON, Olivier KAUFMANN, Anne VERGARI

“…Le concept traditionnel de la karstification fait intervenir le passage des composés chimiques constituant la phase solide (la roche mère) dans la phase…”
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3D geological modelling from boreholes, cross-sections and geological maps, application over former natural gas storages in coal mines by Kaufmann, Olivier, Martin, Thierry

“…In a wide range of applications involving geological modelling, geological data available at low cost usually consist of documents such as cross-sections or…”
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Modelling the Source of Blasting for the Numerical Simulation of Blast-Induced Ground Vibrations: A Review by Ainalis, Daniel, Kaufmann, Olivier, Tshibangu, Jean-Pierre, Verlinden, Olivier, Kouroussis, Georges

“…The mining and construction industries have long been faced with considerable attention and criticism in regard to the effects of blasting. The generation of…”
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Time-series clustering approaches for subsurface zonation and hydrofacies detection using a real time-lapse electrical resistivity dataset by Delforge, Damien, Watlet, Arnaud, Kaufmann, Olivier, Van Camp, Michel, Vanclooster, Marnik

“…One main application of electrical resistivity tomography (ERT) is the non-invasive detection of geological or hydrological structures in the shallow…”
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An electrical resistivity imaging-based strategy to enable site-scale planning over covered palaeokarst features in the Tournaisis area (Belgium) by Kaufmann, Olivier, Deceuster, John, Quinif, Yves

“…Since the beginning of the 20th century, more than 150 sinkhole occurrences, mainly dropout (or cover-collapse) sinkholes, have been reported in the Tournaisis…”
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Assessment of groundwater recharge processes through karst vadose zone by cave percolation monitoring by Poulain, Amaël, Watlet, Arnaud, Kaufmann, Olivier, Van Camp, Michel, Jourde, Hervé, Mazzilli, Naomi, Rochez, Gaëtan, Deleu, Romain, Quinif, Yves, Hallet, Vincent

“…Recharge processes of karst aquifers are difficult to assess given their strong heterogeneity and the poorly known effect of vadose zone on infiltration…”
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Improved analysis of ground vibrations produced by man-made sources by Ainalis, Daniel, Ducarne, Loïc, Kaufmann, Olivier, Tshibangu, Jean-Pierre, Verlinden, Olivier, Kouroussis, Georges

“…Man-made sources of ground vibration must be carefully monitored in urban areas in order to ensure that structural damage and discomfort to residents is…”
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3-D digital outcrop model for analysis of brittle deformation and lithological mapping (Lorette cave, Belgium) by Triantafyllou, A., Watlet, A., Le Mouélic, S., Camelbeeck, T., Civet, F., Kaufmann, O., Quinif, Y., Vandycke, S.

“…Acquiring and building Digital Outcrop Models (DOM) becomes an essential approach in geosciences. This study highlights the strong potential of…”
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Assessing the contribution of electrical resistivity tomography (ERT) and self-potential (SP) methods for a water well drilling program in fractured/karstified limestones by Robert, Tanguy, Dassargues, Alain, Brouyère, Serge, Kaufmann, Olivier, Hallet, Vincent, Nguyen, Frédéric

“…ERT and SP investigations were conducted in carbonate rocks of the Dinant Synclinorium (Walloon Region of Belgium) to find suitable locations for new water…”
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Hydrogeological characterization and modelling of weathered karst aquifers. Applicability to dewatering operations in limestone quarries by Dubois, Caroline, Goderniaux, Pascal, Deceuster, John, Poulain, Angélique, Kaufmann, Olivier

“…Limestone aquifers represent an important part of groundwater resources in the world. They are usually considered as fractured karstic rock formations…”
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Imaging groundwater infiltration dynamics in the karst vadose zone with long-term ERT monitoring by Watlet, Arnaud, Kaufmann, Olivier, Triantafyllou, Antoine, Poulain, Amael, Chambers, Jonathan E, Meldrum, Philip I, Wilkinson, Paul B, Hallet, Vincent, Quinif, Yves, Van Ruymbeke, Michel, Van Camp, Michel

“…Water infiltration and recharge processes in karst systems are complex and difficult to measure with conventional hydrological methods. In particular,…”
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Reprint of “3D geological modelling from boreholes, cross-sections and geological maps, application over former natural gas storages in coal mines” [Comput. Geosci. 34 (2008) 278–290] by Kaufmann, Olivier, Martin, Thierry

“…In a wide range of applications involving geological modelling, geological data available at low cost usually consist of documents such as cross-sections or…”
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Le système karstique de Sprimont (Belgique); holotype d'une spéléogenèse par fantômisation by Dupont, Nicolas, Quinif, Yves, Dubois, Caroline, Cheng, Hai, Kaufmann, Olivier

“…Karstic system of Sprimont shows varied karstic phenomena in a very well defined geological context: a syncline of Carboniferous carbonates enclosed at the…”
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A modified DOI-based method to statistically estimate the depth of investigation of dc resistivity surveys by Deceuster, John, Etienne, Adélaïde, Robert, Tanguy, Nguyen, Frédéric, Kaufmann, Olivier

“…Several techniques are available to estimate the depth of investigation or to identify possible artifacts in dc resistivity surveys. Commonly, the depth of…”
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A New Method to Quantify Carbonate Rock Weathering by Dubois, Caroline, Deceuster, John, Kaufmann, Olivier, Rowberry, Matt D.

“…The structure and composition of carbonate rocks are modified greatly when they are subjected to phenomena that lead to their weathering. These processes…”
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Geohazard map of cover-collapse sinkholes in the ‘Tournaisis’ area, southern Belgium by Kaufmann, Olivier, Quinif, Yves

“…This paper reports the methodology developed to draw up a geohazard map of cover-collapse sinkhole occurrences in the ‘Tournaisis’ area. In this area,…”
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