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Evidence for correlation of electrical resistivity and seismic velocity in heterogeneous near-surface materials.

Meju, Maxwell and Gallardo, Luis A. and Mohamed, Adel K. (2003) Evidence for correlation of electrical resistivity and seismic velocity in heterogeneous near-surface materials. Geophysical Research Letters, 30 (7). pp. 1373-1376. ISSN 0094-8276

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Abstract

The electrical resistivity and seismic velocity distributions over a buried hillside have been obtained using non-invasive controlled experiments on coincident profiles and 2D image reconstructions. The optimal images are in structural agreement and allow the deduction of two opposite resistivity-velocity trends in the near-surface materials. For both trends, the resistivity (ρ) and p-wave velocity (Vp) are related in the form Log10 ρ = mLog10Vp + c with the respective constants m and c having different signs in unconsolidated and consolidated materials.

Item Type: Article
Journal or Publication Title: Geophysical Research Letters
Additional Information: Using collocated seismic velocity and electrical resistivity field measurements, we demonstrate that the electrical and mechanical geophysical properties that are traditionally regarded as unrelated are actually correlated. We suggest that the relationship may have petrophysical significance. The original ideas and data are from first author. Co-authors assisted with data modelling. RAE_import_type : Journal article RAE_uoa_type : Earth Systems and Environmental Sciences
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 2120
Deposited By: ep_importer
Deposited On: 08 Apr 2008 10:13
Refereed?: Yes
Published?: Published
Last Modified: 09 Apr 2014 20:25
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/2120

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