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    Vertical Fracture Detection by Exploiting the Polarization Properties of GPR Signal

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    Tsoflias_Geophys_69(3)803.pdf (3.239Mb)
    Issue Date
    2004-05-01
    Author
    Tsoflias, Georgios P.
    Van Gestel, Jean-Paul
    Stoffa, Paul L.
    Blankenship, Donald D.
    Sen, Mrinal
    Publisher
    Society of Exploration Geophysicists
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
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    Abstract
    Vertically oriented thin fractures are not always detected by conventional single‐polarization reflection profiling ground‐penetrating radar (GPR) techniques. We study the polarization properties of EM wavefields and suggest multipolarization acquisition surveying to detect the location and azimuth of vertically oriented fractures. We employ analytical solutions, 3D finite‐difference time‐domain modeling, and field measurements of multipolarization GPR data to investigate EM wave transmission through fractured geologic formations. For surface‐based multipolarization GPR measurements across vertical fractures, we observe a phase lead when the incident electric‐field component is oriented perpendicular to the plane of the fracture. This observation is consistent for nonmagnetic geologic environments and allows the determination of vertical fracture location and azimuth based on the presence of a phase difference and a phase lead relationship between varying polarization GPR data.
    Description
    This is the publisher's version, also available electronically from "http://library.seg.org".
    URI
    http://hdl.handle.net/1808/17377
    DOI
    https://doi.org/10.1190/1.1759466
    ISSN
    0016-8033
    Collections
    • Geology Scholarly Works [245]
    Citation
    Georgios P. Tsoflias, Jean‐Paul Van Gestel, Paul L. Stoffa, Donald D. Blankenship, and Mrinal Sen (2004). ”Vertical fracture detection by exploiting the polarization properties of ground‐penetrating radar signals.” Vertical fracture detection by exploiting the polarization properties of ground‐penetrating radar signals, 69(3), 803-810. http://www.dx.doi.org/10.1190/1.1759466

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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