DC Resistivity and Induced Polarization Methods

Binley, Andrew; Kemna, Andreas

doi:10.1007/1-4020-3102-5_5

Cited by 446 publications

(373 citation statements)

References 73 publications

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“…In order to map the electrical resistivity of the subsurface, a current is induced between two electrodes and the resultant potential field is measured at two separate potential electrodes. The survey configuration used in this study was an electrical resistivity tomograph (ERT), which combines surface profiling and vertical sounding into a two-dimentional (2-D) image of the subsurface resistivity (Loke, 2003;Binley & Kemna, 2005).…”

Section: Electrical Resistivity Tomography (Ert)mentioning

confidence: 99%

Source areas and mixing of runoff components at the hillslope scale—a multi-technical approach

Uhlenbrook

Didszun

Wenninger

2008

Hydrological Sciences Journal

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Hillslope processes (i.e. water flow pathways, source areas and residence times) are essential for predicting water quantities and water quality. A multi-technical approach using classical hydrometry, natural and artificial tracers and electrical resistivity tomography (ERT) was applied to two adjacent steep hillslopes in the Black Forest Mountains, Germany. The differences in the hydrological and hydrochemical responses during three floods were larger than expected based on previously available information of topography, land use and geology. At one site a very dynamic shallow groundwater system dominated the flood generation, which could not be observed at the other site. The reasons for the heterogeneity of hillslope processes are the different soils and structures of the periglacial drift (first-order control); this is augmented by the different land use (pasture vs forest) and its effects on the near-surface processes (second-order control). The multi-technical approach proved very useful: the tracer methods enabled the detection and quantification of runoff components; geophysical methods provided further insights into the subsurface structure and, consequently, the origin of runoff components.

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Section: Electrical Resistivity Tomography (Ert)mentioning

confidence: 99%

Source areas and mixing of runoff components at the hillslope scale—a multi-technical approach

Uhlenbrook

Didszun

Wenninger

2008

Hydrological Sciences Journal

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“…Model error was assessed by comparing the apparent resistivities resulting from a forward solution on an homogeneous model with a flat surface boundary (Binley & Kemna, 2005). …”

Section: Evaluating Errormentioning

confidence: 99%

“…Individual errors for each quadripole were used to weight the data in the inversions of this analysis, however, several studies report success fitting a general error model to the data instead (Binley & Kemna, 2005;Musgrave & Binley, 2011). The general error model approach has the advantage of smoothing out chance occurrences of high or low error on relatively sparse datasets, but it is only appropriate when measurement errors are expected to be similar across the resistivity survey.…”

Section: A1 Resistivity Data Analysismentioning

confidence: 99%

“…Electrical resistivity (ER) is a geophysical technique that measures the electrical conductance of the subsurface by both establishing and measuring a potential gradient between one or more pairs of electrode (Binley & Kemna, 2005). The procedure is repeated for many di↵erent electrode locations and current configurations to develop a spatially distributed dataset of subsurface conductance (See Loke et al, 2013, for a recent review).…”

Section: Introductionmentioning

confidence: 99%

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Non-invasive flow path characterization in a mining-impacted wetland

Bethune

Randell

Runkel

et al. 2015

Journal of Contaminant Hydrology

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Time-lapse electrical resistivity (ER) is used in this study to capture the annual pulse of acid mine drainage (AMD) contamination, the so-called 'first-flush' driven by spring snowmelt, through the subsurface of a wetland downgradient of the abandoned Pennsylvania Mine workings in Central Colorado. Data were collected from mid-July to late October of 2013, with an additional dataset collected in June of 2014. ER provides a distributed measurement of changes in subsurface electrical properties at high spatial resolution. Inversion of the data shows the development through time of multiple resistive anomalies in the subsurface, which corroborating data suggest are driven by changes in total dissolved solids (TDS) localized in preferential flow pathways. Because of the non-uniqueness inherent to deterministic inversion, the exact geometry and magnitude of the anomalies is unknown, but sensitivity analyses on synthetic data taken to mimic the site suggest that the anomalies would need to be at least several meters in diameter to be adequately resolved by the inversions. Preferential flow path existence would have a critical impact on the extent of attenuation mechanisms at the site, and their further characterization could be used to parameterize reactive transport models in developing quantitative predictions of remediation strategies.iii

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“…Electrical resistivity tomography (ERT) has proven to be a robust and reliable tool to provide realistic, albeit strongly smoothed, images of the spatial electrical resistivity distribution in the shallow subsurface (e.g. Binley & Kemna 2005). As a consequence, ERT methods have been successfully applied to a large variety of problems such as hydrogeological and environmental studies (e.g.…”

Section: Introductionmentioning

confidence: 99%

Subsurface fluid distribution and possible seismic precursory signal at the Salse di Nirano mud volcanic field, Italy

Lupi¹,

Ricci

Kenkel

et al. 2015

Geophys. J. Int.

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S U M M A R YMud volcanoes are geological systems often characterized by elevated fluid pressures at depth deviating from hydrostatic conditions. This near-critical state makes mud volcanoes particularly sensitive to external forcing induced by natural or man-made perturbations. We used the Nirano mud volcanic field as a natural laboratory to test pre-and post-seismic effects generated by distant earthquakes. We first characterized the subsurface structure of the Nirano mud volcanic field with a geoelectrical study. Next, we deployed a broad-band seismic station in the area to understand the typical seismic signal generated by the mud volcano. Seismic records show a background noise below 2 s, sometimes interrupted by pulses of drumbeatlike high-frequency signals lasting from several minutes to hours. To date this is the first observation of drumbeat signal observed in mud volcanoes.In 2013 June we recorded a M4.7 earthquake, that occurred approximately 60 km far from our seismic station. According to empirical estimations the Nirano mud volcanic field should not have been affected by the M4.7 earthquake. Yet, before the seismic event we recorded an increasing amplitude of the signal in the 10-20 Hz frequency band. The signal emerged approximately two hours before the earthquake and lasted for about three hours. Our statistical analysis suggests the presence of a possible precursory signal about 10 min before the earthquake.

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DC Resistivity and Induced Polarization Methods

Cited by 446 publications

References 73 publications

Source areas and mixing of runoff components at the hillslope scale—a multi-technical approach

Source areas and mixing of runoff components at the hillslope scale—a multi-technical approach

Non-invasive flow path characterization in a mining-impacted wetland

Subsurface fluid distribution and possible seismic precursory signal at the Salse di Nirano mud volcanic field, Italy

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