3D electrical resistivity tomography (ERT)
Application of 3D Electrical Resistivity Tomography for Diagnosing Leakage in Earth Rock Fill Dam
... the 3D electrical resistivity tomography detecting technology and volume rendering image processing technology, make the measurement in field, process the data and combine the field survey to ...
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Numerical Simulation Study on the Detection of Weak Structural Plane of Rock Slope by Using 3D Electrical Resistivity Tomography
... on 3D electrical resistivity tomography, a model of rock slope with weak structure plane is established, and the characteristics of three-dimen- sional resistivity imaging of weak ...
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Characterization of karst structures using quasi‑3D electrical resistivity tomography
... aquifer. Electrical resistivity tomography (ERT) is recognized as the most effective technique for mapping karstic ...between resistivity anomalies and known karstic ...
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Characterization of karst structures using quasi‑3D electrical resistivity tomography
... a 3D inversion results in the model shown in ...the resistivity is high suggesting extensive unweathered bedrock, with outcrops close to the ground surface, particularly ...high resistivity zone also ...
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Inadequacy of 1D, 2D and 3D Resistivity Inverse Modelling in the Presence of Electrical Anisotropy
... field electrical resistivity tomography (ERT) investigations along two perpendicular lines and at the crossing of these profiles they conducted azimuthal square array resistivity measurements ...
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Enhancing electrical contact with a commercial polymer for electrical resistivity tomography on archaeological sites: A case study
... of electrical data in a very short ...apparent resistivity data were recorded using a direct current resistivity multi-electrode system (AGI SuperSting R1) ...accuracy resistivity meter, a ...
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Hydro-chemo-mechanical processes in soil samples: monitoring through electrical resistivity tomography
... The electrical conductivity of a soil can be related to the electrical conductivity of its solid and fluid constituents by means of theoretical and empirical relationships, taking into account the effect of ...
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Electrical Resistivity Tomography for Mapping Subsurface Remediation
... ideal 3D data set, these methods are usually impractical, time-consuming and ...obtain 3D data involves collecting data along sets of parallel and/or orthogonal 2D lines ...resulting 3D data set can ...
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Time-lapse Electrical Resistivity Tomography for mapping in situ smouldering remediation (STAR)
... a 3D phenomenon, (ii) the metal objects were also 3D, however in 2D inversion they are considered infinite in the direction perpendicular to the ERT lines, and (iii) high resistivity contrasts ...
164
Application of electrical resistivity tomography technique for delineation of gold mineralization in Bugai town, Birnin Gwari, Kaduna, North Western Nigeria
... 2D resistivity inversion model sections are presented in Figures 2 and 3, ...and 3D resistivity models (Fig 7) show resistivity models varying in shape due to heterogeneous nature of ...
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Tracking tracer motion in a 4 D electrical resistivity tomography experiment
... Observations, Z, are thus of the form ðs; qÞ T . We can extract such values though simple averaging, with the coordinates and distribution of resistivity in a measurement Z contributing to the geometric center of ...
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Electrical Resistivity Tomography as a Support Tool to Estimate Physicochemical Properties of Mining Tailings Pond
... the Electrical Resistivity Tomography (ERT) method as a non-invasive tool to determine the physicochemical composition of mine tailings ponds, enabling more efficient and low-cost ...from ...
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Change in Electrical Resistivity of Pure Cu Processed by Accumulative Roll Bonding
... cal resistivity becomes dominant compared with that of dislocation density after ARB ...cal resistivity at high ARB cycle number is about 15% in the case of Cu, whereas that is less than 3% in the case of ...
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Towards two-dimensional infiltration measurement in complex and variable soil environments
... of Electrical Resistivity Tomography (ERT) could be used to measure the change in soil water content across the length of a 2D transect of the soil profile, as opposed to a single point along that ...
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Improved characterisation and modelling of measurement errors in electrical resistivity tomography (ERT) surveys
... The new model explains the observed measurement errors better and shows superior inversion results and uncertainty estimates in synthetic examples.. It is robust, because it groups error[r] ...
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Geophysical methods to support correct water sampling locations for salt dilution gauging
... reconstructed resistivity image (which is upstream of the canal curve) appears not to be affected by the passage of the ...in resistivity has an average value of approximately − 25 m with respect to the ...
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Groundwater flow and storage within an alpine meadow talus complex
... and electrical resistivity tomography (ERT) pro- files and a seismic refraction profile were acquired to map the thickness of the talus and to image the topography of the bedrock basin that underlies ...
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The influence of electrical resistivity array on its soil electrical resistivity value
... A line of electrical resistivity imaging was performed on small embankment of sandy and lateritic soil with different types of array using A3EM SAS 4000 eq~tipment.Three in line of soil [r] ...
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Towards 3D-Electrical Capacitance Tomography for Interface Detection164-175
... true 3D-ECT measurement acquires charge data in both the radial and axial direction for each stimulus, yielding an output of a 3D tomogram composed of 32 × 32 × 32 voxels (corresponding to pixels in ...
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The origins of electrical resistivity in magnetic reconnection: Studies by 2D and 3D macro particle simulations
... of electrical resistivity in magnetic reconnection, and also presents recent 3D particle simulations of coalescing magnetized flux ...Anomalous resistivity of the lower-hybrid-drift (LHD) ...
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