Journal ArticleDOI
Recent developments in the direct-current geoelectrical imaging method
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TLDR
There have been major improvements in instrumentation, field survey design and data inversion techniques for the geoelectrical method over the past 25 years as mentioned in this paper, which has made it possible to conduct large 2D, 3D and even 4D surveys efficiently to resolve complex geological structures that were not possible with traditional 1-D surveys.About:
This article is published in Journal of Applied Geophysics.The article was published on 2013-08-01. It has received 702 citations till now. The article focuses on the topics: Computer technology.read more
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Book ChapterDOI
Soil Penetration Depth of RISAT-1 C-Band and PALSAR-2 L-Band Sensors in Arid Zone of Rajasthan, India
TL;DR: In this article , multi-frequency microwave satellite data of RISAT-1 C-band and PALSAR-2 L-band (1.2 GHz) is used for calculating soil moisture across the palaeochannel (PC) at Bhimarlai village in Barmer district of Rajasthan.
Journal ArticleDOI
Measuring Groundwater Flow Velocities near Drinking Water Extraction Wells in Unconsolidated Sediments
Wiecher Bakx,Victor F. Bense,Marios Karaoulis,Gualbert H. P. Oude Essink,Marc F. P. Bierkens +4 more
TL;DR: In this paper , the authors review approaches for measuring the relatively high groundwater flow velocity measurements near drinking water extraction wells and discuss their potential and limitations for use in this environment, and combine geoelectrical measurements with active-heating distributed temperature sensing (AH-DTS).
Journal ArticleDOI
RQD modeling using statistical-assisted SRT with compensated ERT methods: Correlations between borehole- and SRT-based RMQ models
TL;DR: In this paper , the authors used a 2D/3D SRT (seismic refraction tomography) based RQD model to characterize the surficial-to-subsurface soil-rock profiles based on their rock mass quality and conditions.
Journal ArticleDOI
Physics-Driven Deep Learning Inversion for Direct Current Resistivity Survey Data
Bin Liu,Yonghao Pang,Peng Jiang,Zhengyu Liu,Benchao Liu,Yongheng Zhang,Yu-long Cai,Jiawen Liu +7 more
TL;DR: In this paper , an unsupervised learning resistivity inversion scheme based on the physical law of electric field propagation was proposed to solve the inversion problem in geophysical surveys.
Journal ArticleDOI
An Overview of Geophysical Techniques and Their Potential Suitability for Archaeological Studies
TL;DR: In this paper , the most popular geophysical techniques suitable for archaeogeophysical investigations, namely, magnetometry, ground penetrating radar, and electrical resistivity tomography, together with a series of multiparametric measures taken from aerial platforms (UAS), are presented.
References
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Journal ArticleDOI
The electrical resistivity log as an aid in determining some reservoir characteristics
TL;DR: The usefulness of the electrical resistivity log in determining reservoir characteristics is governed largely by: (1) the accuracy with which the true resistivity of the formation can be determined; (2) the scope of detailed data concerning the relation of resistivity measurements to formation characteristics; (3) the available information concerning the conductivity of connate or formation waters; and (4) the extent of geologic knowledge regarding probable changes in facies within given horizons, both vertically and laterally, particularly in relation to the resultant effect on the electrical properties of the reservoir as mentioned in this paper.
Book
An Introduction to Applied and Environmental Geophysics
TL;DR: The first edition of the book as mentioned in this paper contains case histories, and descriptions of geophysical techniques not previously included in such textbooks, but the level of mathematics and physics is deliberately kept to a minimum but is described qualitatively within the text.
Journal ArticleDOI
Rapid least-squares inversion of apparent resistivity pseudosections by a quasi-Newton method1
M.H. Loke,R. D. Barker +1 more
TL;DR: In this paper, a smoothness-constrained least-squares method was used for the interpretation of data from resistivity tomography surveys on an 80486DX microcomputer.
Rapid least-squared inversion of apparent resisitivity pseudosections by a quasi-Newton method
M. H. Loke,R. D. Barker +1 more
TL;DR: In this article, a smoothness-constrained least-squares method was used for the interpretation of data from resistivity tomography surveys on an 80486DX microcomputer.
Journal ArticleDOI
Occam's inversion to generate smooth, two-dimensional models from magnetotelluric data
TL;DR: In this paper, the authors propose an extension of the existing 1-D algorithm, Occam's inversion, to smooth 2-D models using an extension to the existing Occam inversion.
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