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Instrumentation, electrical resistivity

Publication Type:

Book Chapter

Source:

Solid Earth Geophysics Encyclopedia (2nd Edition), Electrical & Electromagnetic, Gupta, Harsh (ed), Springer, Berlin, p.599 - 604 (2011)

ISBN:

9789048187010

URL:

http://www.landviser.net/content/landmapper-featured-encyclopedia-solid-earth-geophysics

Abstract:

The resistivity survey method is more than 100 years old and is one of the most commonlyused geophysical exploration methods (Reynolds, 1997). It has been used to image targets
from the millimeter scale to structures with dimensions of kilometers (Linderholm et al.,
2008; Storz et al., 2000). It is widely used in environmental and engineering (Dahlin, 2001;
Chambers et al., 2006) and mineral exploration (White et al., 2001; Legault et al., 2008)
surveys. There have been many recent advances in the instrumentation and data interpretation
resulting in more efficient surveys and accurate earth models. In its most basic form, the
resistivity meter injects a current into the ground through two metal stakes (electrodes), and
measures the resulting voltage distribution on the ground surface at two other points (Figure
1). The current (I) and voltage (V) values are normally combined into a single quantity, the
apparent resistivity, which is given by the following relationship.

Notes:

Encyclopedia of Solid Earth Geophysics

Gupta, Harsh (Ed.)

Version: print (book)

2nd ed., 2011, XX, 950 p. 500 illus., 100 in color. In 1 volumes, not available separately., Hardcover

ISBN: 978-90-481-8701-0

Not yet published. Available: June 29, 2011

 

Instrumentation, electrical resistivity

Solid Earth Geophysics Encyclopedia (2nd Edition) “Electrical & Electromagnetic”

M.H.Loke1, J.E. Chambers2 and O. Kuras2

1

Geotomo Software Sdn. Bhd.
115, Cangkat Minden Jalan 5, Minden Heights,
Gelugor, 11700 Penang,
Malaysia
Email : drmhloke@yahoo.com
Tel : +60 4 6574525
Fax : +60 4 6588437

2

Geophysical Tomography Team
British Geological Survey
Keyworth
Nottingham NG12 5GG
UK
Email : jecha@bgs.ac.uk, oku@bgs.ac.uk
Tel : +44 (0)115 936 3100
Fax : +44 (0)115 936 3200