Hydrology: Current Research

ISSN: 2157-7587

Open Access

Fathi Salem Elburas

Faculty of Sciences, Tripoli University,
Tripoli, P.O Box 13410

  • Conference Proceeding
    Geoelectrical Investigation at Ain Al-Faras Spring Site of Gadames City, Libya

    Author(s): Fathi Salem ElburasFathi Salem Elburas

    Geoelectrical resistivity techniques are based on the response of the earth to the flow of electrical current. With an electrical current passed through the ground and two potential electrodes to record the resultant potential difference between them, we can obtain a direct measure of the electrical impedance of the subsurface material. The resistivity of the subsurface, a material constant, is then a function of the magnitude of the current, the recorded potential difference, and the geometry of the electrode array. Depending upon the survey geometry, the data are plotted as 1-D sounding or profiling curves or in 2-D crosssection in order to look for anomalous regions. In the shallow subsurface, the presence of water controls much of the conductivity variation. Measurement of resistivity is, in general, a measure of water saturation and connectivity of pore space. Resistivity.. Read More»
    DOI: 10.4172/2157-7587.S12-003


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