The Electrical Resistivity of the Vadose Zone — Field Survey

Frohlich, Reinhard K.; Parke, C. D.

doi:10.1111/j.1745-6584.1989.tb01973.x

Cited by 71 publications

(35 citation statements)

References 9 publications

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“…Rock resistivity depends on a number of factors such as the amount of water present in fractures, weathering, porosity, fracturing and the degree of saturation [25].With decreasing grain-size and water quality, the resistivity value is decreased. In saturated layers having high resistivity water and small-grain size, the electrical current is not only conducted by the water but also by the grain matrix [26].…”

Section: Materials and Methodologymentioning

confidence: 99%

Delineation of the Aquifer in the Curin Basin, South of Zahedan City, Iran

Nejad¹

2012

TOGEOJ

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Resistivity method using 596 Schlumberger vertical electrical soundings along 26 profiles are conducted in the Curin basin, Iran to investigate the sub-surface layering and aquifer characteristics. The results of quantitative and qualitative interpretation of data reveal four layers. The true resistivity of the top soil varies from 3 to 800 ohm-m while the thickness varies from 0.5-15 m. The second layer (dry alluvium) is thicker than the surface layer with resistivity values less than 100 ohm-m. The third layer, which constitutes an aquifer, has resistivity values of less than 10 ohm-m and depth values of less than 30 m in most locations. The maximum depth of aquifer is 60 meters in the northwest and southeast portion of the study area. The fourth layer (bedrock) is characterized by two electric resistivity values ranges. In most parts of the area, it is more than 60 ohm-m, corresponding probably to slate, while in other areas, it is less than 60 ohm-m, corresponding probably to shale. Finally from the quantitative interpretation of VES curves, the limits of the aquifer were determined.

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Section: Materials and Methodologymentioning

confidence: 99%

Delineation of the Aquifer in the Curin Basin, South of Zahedan City, Iran

Nejad¹

2012

TOGEOJ

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“…It assumes that the characteristic of the solid phase does not influence the electrical current conduction. Frohlich and Parke (1989) reported that the great practical success of Archie's law was related to the assumed validity of the determined constants on a large range of soils except for clayey soil. Indeed, this relationship was successfully used for water content estimation in numerous studies Zhou et al, 2001).…”

Section: Water Contentmentioning

confidence: 99%

Electrical resistivity survey in soil science: a review

Samouëlian

Cousin

Tabbagh³

et al. 2005

Soil and Tillage Research

905

528

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Electrical resistivity of the soil can be considered as a proxy for the spatial and temporal variability of many other soil physical properties (i.e. structure, water content, or fluid composition). Because the method is non-destructive and very sensitive, it offers a very attractive tool for describing the subsurface properties without digging. It has been already applied in various contexts like : groundwater exploration, landfill and solute transfer delineation, agronomical management by identifying areas of excessive compaction or soil horizon thickness and bedrock depth, and at least assessing the soil hydrological properties. The surveys, depending on the areas heterogeneities can be performed in one-, two-or three-dimensions and also at different scales resolution from the centimetric scale to the regional scale. In this review, based on many electrical resistivity surveys, we expose the theory and the basic principles of the method, we overview the variation of electrical resistivity as a function of soil properties, we listed the main electrical device to performed one-, two-or three-dimensional surveys, and explain the basic principles of the data interpretation. At least, we discuss the main advantages and limits of the method.

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“…The analysis of the vertical electrical sounding data, when accompanied by geological information, can permit the determination of groundwater types (Hallenbach, 1953;Jackson et al, 1978;Koefoed, 1979;Kossinski and Kelly, 1981;Frohlich et al, 1987;El-Waheidi et al, 1992;Kelly and Mares, 1993;Guérin et al, 2001;Frohlich and Urish, 2002;Matias, 2002;Mhamdi et al, 2006) and subsurface structural features of water bearing formations (Töpfer, 1976;Shettigara and Adams, 1989;Zouhri et al, 2004b;Akaolisa, 2006) and the comprehension of the saturated/unsaturated zones (Kelly and Mares, 1993;Frohlich and Parke, 2005;Toto et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Geoelectrical structure and hydrogeological investigations of the southern Rif Cordillera (Morocco)

Zouhri

2010

Hydrological Processes

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Abstract:An electrical prospecting survey is conducted in the Rharb basin, a semi-arid region in the southern part of the Rifean Cordillera (Morocco) to delineate characteristics of the aquifer and the groundwater affected by the marine intrusion related to Atlantic Ocean. Analysis and interpretations of electrical soundings, bi-logarithmic diagrams and the geoelectrical sections highlight a monolayer aquifer in the southern part, a multilayer system in the northern part of the Rharb basin and lenticular semi-permeable formations. Several electrical layers have been deduced from the analysis of bi-logarithmic diagrams: resistant superficial level (R 0 ), conducting superficial level (C 0 ), resistant level (R), intermediary resistant level (R 0 ), conducting level (Cp) and intermediary layer of resistivity (AT). Spatial distribution of the resistivity deduced from the interpretation of apparent resistivity maps (AB D 400 and 1000 m) and the decreasing of resistivity values (35-10 m), in particular in the coastal zone show that this heterogeneity is related to several anomalies identified in the coastal area, which result from hydraulic and geological processes: (i) heterogeneous hydraulic conductivity in particular in the southern part of the Rharb; (ii) lateral facies and synsedimentary faulting and (iii) the relationship between the electrical conductivity and chloride concentration of groundwater shows that salinity is the most important factor controlling resistivity. The distribution of fresh/salt-water zones and their variations in space along geoelectrical sections are established through converting subsurface depth-resistivity models.

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The Electrical Resistivity of the Vadose Zone — Field Survey

Cited by 71 publications

References 9 publications

Delineation of the Aquifer in the Curin Basin, South of Zahedan City, Iran

Delineation of the Aquifer in the Curin Basin, South of Zahedan City, Iran

Electrical resistivity survey in soil science: a review

Geoelectrical structure and hydrogeological investigations of the southern Rif Cordillera (Morocco)

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