2007
DOI: 10.2516/ogst:2007077
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3D Seismic Imaging of a Near-Surface Heterogeneous Aquifer: A Case Study

Abstract: Résumé -Imagerie sismique 3D d'un aquifère hétérogène proche de la surface -Différentes acquisitions sismiques ont été réalisées sur le site hydrologique expérimental de Poitiers (France). Ce papier montre comment la sismique 3D peut être mise en oeuvre et traitée pour décrire un aquifère hétérogène proche de la surface. Le dispositif d'acquisition a été choisi pour obtenir à la fois une imagerie par réfraction et par réflexion. La sismique réfraction a permis d'obtenir une image en profondeur du toit de l'aqu… Show more

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Cited by 31 publications
(30 citation statements)
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“…These preliminary studies (Mari and Porel, 2007) minimum offset distance has been chosen equal to 40 m to reduce the influence of the surface waves. The time sampling interval is 0.25 ms and the recording length is 0.5 s. Figure 2 shows the selected seismic spreads and the map locating the seismic lines.…”
Section: Seismic Surveyingmentioning
confidence: 99%
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“…These preliminary studies (Mari and Porel, 2007) minimum offset distance has been chosen equal to 40 m to reduce the influence of the surface waves. The time sampling interval is 0.25 ms and the recording length is 0.5 s. Figure 2 shows the selected seismic spreads and the map locating the seismic lines.…”
Section: Seismic Surveyingmentioning
confidence: 99%
“…Refraction seismic surveying, described in detail by Mari and Porel (2007), has been used to map the irregular shape of the top of the karstic reservoir. The Hagedoorn's Plus-Minus method (1959) has been used to compute a delay map (Fig.…”
Section: Refraction Seismic Surveyingmentioning
confidence: 99%
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“…The processing sequence has been described in detail by Mari & Porel (2007). Each shot point (both in the cross-line direction and in the in-line direction) was processed independently to obtain a single-fold section with a sampling interval of 2.5 m (half the distance between 2 adjacent geophones) in the in-line direction and with a sampling interval of 5 m in the cross-line direction.…”
Section: Seismic Reflection Surveyingmentioning
confidence: 99%