Elhag A. Because of this effect, groundwater is a good target for electrical and electromagnetic geophysical methods that measure resistivity. 242-246. From these measurements, the true resistivity of the subsurface can be estimated. The resistivity method has been used to map boundaries between layers having different conductivities. The electrical resistivity method, which is one of the most widely practiced geophysical prospecting methods, has in the past usually been applied to groundwater and underground resource exploration. Although there is … A geophysical evaluation using Electrical Resistivity method for groundwater exploration at the study area was carried out which involved the utilization of Vertical Electrical Sounding (VES) technique The application of electrical prospecting method to groundwater exploration in karst mountainous areas:A case study of Changtang Village, Huaihua area, Hunan Province: Jian-Qiang WU 1, 2, Ru-Yue ZHAO 3, Fu-Ping GAN 1, 2, Wei ZHANG 1, 2, Yong-Liang LIU 1, 2, Chao-Qiang ZHU 1, 2: 1. The application of surface resistivity method however, can provide useful method for obtaining information on aquifer properties in progress in applying electrical methods to ground-water exploration began during World War II. The ground resistivity is related to various geological parameters such as the mineral and fluid content, porosity and degree of water saturation in the rock. Well today, we're teaching you the best way we know how to find groundwater—Electrical Resistivity Imaging. Groundwater Exploration is attempted through either by direct or indirect methods. B y utilizing the apparent resistivity parameters, it is widely used in hydrology, environmental protection, engineering geophysical exploration, metal and non-metal mineral resources exploration.. 2. Electrical resistivity surveys have been used for many decades in hydro geologica… Electrical resistance surveys (also called earth resistance or resistivity survey) are one of a number of methods used in archaeological geophysics, as well as in engineering geological investigations.In this type of survey electrical resistance meters are used to detect and map subsurface archaeological features and patterning. The method allows a quantitative result to be obtained by using a controlled source of specific dimensions. This is to certify that the thesis entitled “Exploration of ground water using electrical resistivity method”, submitted by Naveen Kumar for the requirements of bachelor‟s degree in Civil Engineering Department of National Institute of Technology, Rourkela is an original work done under my supervision and guidance. The resistivity of subsurface rock formations is one of the physical properties determined through the process of logging that is performed on most oil and gas wells, utilizing instrumentation inserted into the wellbore. application of geological and electrical resistivity methods for groundwater studies at tatiko, north central nigeria aweda abdulwahid kolawole, shehu ibrahim kagara, ige olusegun omoniyi, umar, mohammed umar, david joseph barde (received 24 january … 9 Groundwater exploration is a typical task of a hydrogeologist or an engineer. According to Srinivasamoorthy (2009), the important purpose of electrical surveys is to determine the subsurface resistivity distribution by making measurements on the ground surface. Generally speaking, the methods applied to find groundwater are very similar to those used for natural resource exploration; for example, mineral or petroleum products. occurrence of groundwater will greatly reduce the resistivity of all rocks and sedimentary materials through electrolytic conduction. Application of Remote Sensing and Geo-Electrical Method for Groundwater Exploration in Khor Al Alabyad, North Kordofan State, Sudan. It is employed in engineering geophysics to map bedrock. Twenty Schlumberger VES's with maximum current electrode spacing of 400 m were carried out in the coastal zone of Shalateen area at the alluvial fan of Wadi Rahaba. Applications There are many applications for electric resistivity methods including groundwater detection, mineral identification, waste exploration, oil identification, and several others. A number of different electrode configurations can be employed for electrical surveys, including: Vertical Electric Soundings (VES) for grounding studies (ASTM G57, IEEE-81); 2-D and 3-D Electrical Resistivity Tomography (ERT) As you know from our Groundwater Education Series , an aquifer is a natural underground … 2, No. Exploration of groundwater requires a basic understanding of its position in the subsurface geological setup. In this study, west of the Tibet Autonomous Region located at the peak of the world ridge that belongs to the extreme water-scarce poverty zone is used as the study area. These methods have been originally developed for petroleum and mineral exploration. It is used in groundwater studies to determine salinity. Each of these methods can be used for a wide range of applications. Identifying the location of its availability is a challenging task. IP Application of High power. Only the principles of these methods will be given here. The application, interpretation, and understanding of electrical methods requires a familiarity with the relationship between soil and rock characteristics and the resistivities obtained from electrical data. A potential groundwater zone was identified at resistivity values of <100 Ωm at depths >50 m. The high contrast of resistivity values indicated a fracture/fault for this area. Definition and Units of Resistivity It utilizes direct currents or low frequency alternating currents to investigate the electrical properties (resistivity) of the subsurface. Geophysical Exploration Instrument for Groundwater Using Vertical Electrical Sounding (VES) Main Characteristic: 1. First things first, we have to remember where groundwater can be found. One commonly used method is the electrical resistivity method since, it is efficient and economical to determine groundwater. Advances in Physics Theories and Applications www.iiste.org ISSN 2224-719X (Paper) ISSN 2225-0638 (Online) Vol.37, 2014 19 Application of Electrical Resistivity Method for Groundwater Exploration in Oba and Environs, Anambra State, Nigeria French, Russian,and German geophysicists are mainly responsible for the development of the theory and practice of di­ re¤t electrical prospecting methods. 6, 2015, pp. The electrical resistivity method has some inherent limitations that affect the resolution and accuracy that may be expected from it. A geophysical evaluation using Electrical Resistivity method for groundwater exploration at the study area was carried out which involved the utilization of Vertical Electrical Sounding (VES) technique with schlumberger array system. Identifying a good site for groundwater exploitation in arid areas with scarce hydrogeological data is a challenging task. Introduction topography and frac Geophysical methods are rapid, non-destructive, re- However, the depth of exploration is much shallower. American Journal of Earth Sciences. Groundwater exploration requires appropriate and efficient techniques. High-power Intermediate Gradient Scanning; Hyperscale IP Scanning; Resistivity Meter for Environment Detection, Several Cases about How to Use Geophysical Instruments for Environmental Pollution Exploration? The results confirmed that the 2D earth resitivity imaging technique is a useful tool for groundwater exploration in the Quaternary aquifer due to high resistivity contrast between saturated and dry gravel or sand. B. Groundwater exploration will be executed in selected parts of the community, using the electrical resistivity method to measure variations in resistivity of the subsurface formations with depth. Vertical electrical sounding (VES) is considered as one of the most common methods in groundwater exploration. Like all methods using … Electrical resistivity methods have been extensively used in a number of near surface explorations since the first application around 1830 (Parasins, 1962). application of electrical resistivity imaging and induced polarization method for groundwater exploration at ahmadu bello university phase ii, zaria, nigeria. A new simple and quick geophysical method for groundwater exploration in the crystalline rocks of Tudun Wada Kano State, Nigeria has been developed. Although several methods are available for the purpose, two methods viz., the electrical resistivity and seismic refraction methods have been successfully used for groundwater investigation. Vol. Vertical electrical soundings (VES) based on the Schlumberger configuration will be conducted at these selected sites in the community. 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