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090			_aB-16487
245	1	0	_aTwo-dimensional resistivity imaging and modelling in areas of complex geology
490	0		_vJournal of Applied Geophysics, 29(3-4), p.211-226, 1993
520	3		_aA system is described for the automatic measurement of electrical resistivity pseudo-sections. This comprises a linear array of up to 32 electrodes connected through a multicore cable to a computer controlled switching module and a resistivity meter. The processing of the measured sections to produce two-dimensional true resistivity images of the subsurface is briefly described. Some account is given of the capabilities and limitations of the technique. This is illustrated by a series of computed constant separation traverses for models of simple subsurface structures. Examples of processed images derived from sections measured in areas of relatively complex geology follow, a comparison being made of the interpretations obtained using an automatic imaging method and a manual iterative approach. It is concluded that with the equipment and software so far developed, in areas of modest subsurface geological complexity where some control is available and where the structures are essentially two-dimensional, then good approximations to the true geoelectric sections can be obtained down to depths of between 100 and 200 m.
650	1	4	_aELECTRIC CONDUCTIVITY MEASUREMENT
650	1	4	_aGEOLOGIC MODELS
650	1	4	_aGEOLOGICAL SURVEYS
650	1	4	_aGEOLOGY
650	1	4	_aIMAGE ANALYSIS
650	1	4	_aIMAGE PROCESSING
650	1	4	_aIMAGING TECHNIQUES
650	1	4	_aITERATIVE METHODS
650	1	4	_aMATHEMATICAL MODELS
650	1	4	_aNATURAL SCIENCES COMPUTING
700	1	2	_aGriffiths, D.H.
700	1	2	_aBarker, R.D.
856	4	0	_uhttps://drive.google.com/file/d/1fJx-k-FUyk6xRfX_vjuq4GQUaexlx_FE/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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