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    Theoretical Central Frequency Sounding Response Curves over a Generalized Three-Layer Earth

    Access Status
    Fulltext not available
    Authors
    Patra, H.P.
    Nimmagadda, Shastri
    Date
    1983
    Type
    Journal Article
    
    Metadata
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    Citation
    Patra, H.P. and Nimmagadda, S. 1983. Theoretical Central Frequency Sounding Response Curves over a Generalized Three-Layer Earth. Pure and Applied Geophysics. 121 (2): pp. 317–325.
    Source Title
    Pure and Applied Geophysics
    DOI
    10.1007/BF02590141
    ISSN
    0033-4553
    Faculty
    Faculty of Business and Law
    School
    School of Management
    URI
    http://hdl.handle.net/20.500.11937/81203
    Collection
    • Curtin Research Publications
    Abstract

    The digital linear filter method is used to compute the normalized vertical magnetic field for a circular loop in CFS system. Three-layer earth models with resistive and conductive basement are considered. The corresponding field expressions are suitably written, and the multifrequency response is computed and presented in convenient forms.

    Analysis of theoretical data indicates that for highly resistive basement, the variation in layer conductivity and intermediate layer thickness is well reflected on three-layer amplitude response curves at low frequencies and at high conductivity contrasts between first and second layers. This, however, is not true in the case of conductive basement, where the resolution of the intermediate layer is observed to be comparatively poor. The resolution of an intermediate conductive layer in a three-layer sequence is found to be satisfactory.

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