Recent developments in the direct-current geoelectrical imaging method

MH Loke, JE Chambers, DF Rucker, O Kuras… - Journal of applied …, 2013 - Elsevier
There have been major improvements in instrumentation, field survey design and data
inversion techniques for the geoelectrical method over the past 25 years. Multi-electrode …

An overview of the spectral induced polarization method for near‐surface applications

A Kemna, A Binley, G Cassiani… - Near Surface …, 2012 - earthdoc.org
Over the last 15 years significant advancements in induced polarization (IP) research have
taken place, particularly with respect to spectral IP (SIP), concerning the understanding of …

[HTML][HTML] 电磁勘探中各向异性研究现状和展望

刘云鹤, 殷长春, 蔡晶, 黄威, 贲放, 张博, 齐彦福… - 地球物理学报, 2018 - html.rhhz.net
电各向异性广泛存在于自然界中, 已成为电磁勘探资料解释中不可忽视的因素.
特别是在一些沉积岩地区, 由于层理发育导致地下介质电阻率随电流方向发生变化 …

Georesistivity modelling and appraisal of soil water retention capacity in Akwa Ibom State University main campus and its environs, Southern Nigeria

AM Ekanem - Modeling Earth Systems and Environment, 2020 - Springer
Soil water retention capacity is one vital hydraulic property that affects the productivity of
soils and the environment. Soils with high water retention capacity can result in …

[PDF][PDF] Appraisal of flood-prone litho-stratigraphic units via geo-electrical technology

NI Udosen, AM Ekanem, NJ George - Malaysian Journal of …, 2024 - researchgate.net
Flooding occurs when a region overflows with water and its causes include unusually large
amounts of precipitation (rainfall or snow), faulting in dams, storms, extreme weather events …

[HTML][HTML] Review on research of electrical anisotropy in electromagnetic prospecting

YH LIU, CC YIN, J CAI, W HUANG, F BEN… - Chinese Journal of …, 2018 - en.dzkx.org
Electrical anisotropy exists everywhere in nature that has become an important issue non-
ignorable in geophysical exploration. Especially in areas of sedimentary rocks where strata …

Sensitivity and inversion of marine electromagnetic data in a vertically anisotropic stratified earth

C Ramananjaona, L MacGregor, D Andréis - Geophysical Prospecting, 2011 - earthdoc.org
The controlled‐source electromagnetic (CSEM) and magnetotelluric method (MT) are two
techniques that can be jointly used to explore the resistivity structure of the earth. Such …

[HTML][HTML] Practical considerations for using petrophysics and geoelectrical methods on clay rich landslides

JP Boyd, A Binley, P Wilkinson, J Holmes, E Bruce… - Engineering …, 2024 - Elsevier
Understanding the geological and hydrological conditions present within an unstable slope
is crucial for assessing the likelihood of failure. Recently, geoelectrical characterization and …

[HTML][HTML] 一维垂直各向异性介质频率域海洋可控源电磁资料反演方法

罗鸣, 李予国, 李刚 - 地球物理学报, 2016 - html.rhhz.net
本文提出了一维垂直各向异性(VTI) 介质倾斜偶极源频率域海洋可控源电磁(CSEM) 资料高斯-
牛顿反演方法. 在电阻率各向异性介质水平偶极源和垂直偶极源海洋CSEM 正演算法的基础上 …

1-D DC resistivity modeling and interpretation in anisotropic media using particle swarm optimization

E Pekşen, T Yas, A Kıyak - Pure and Applied Geophysics, 2014 - Springer
We examine the one-dimensional direct current method in anisotropic earth formation. We
derive an analytic expression of a simple, two-layered anisotropic earth model. Further, we …