Results 21 to 30 of about 1,198 (214)

Collaborative interpretation of the data obtained by resistivity and ground penetrating radar methods for assessing the permeability of sandy clay soils

open access: yesЗаписки Горного института, 2018
A method for estimating the filtration factor of sandy clay soils is considered on the basis of a joint interpretation of the data of a set of methods of engineering electrical exploration, including electrical resistivity tomography and ground ...
D. A. Lalomov, V. V. Glazunov
doaj   +1 more source

Smart Water Meter Using Electrical Resistance Tomography [PDF]

open access: yesSensors, 2019
Smart flow monitoring is critical for sewer system management. Obstructions and restrictions to flow in discharge pipes are common and costly. We propose the use of electrical resistance tomography modality for the task of smart wastewater metering. This paper presents the electronics hardware design and bespoke signal processing to create an embedded ...
Chenning Wu   +2 more
openaire   +3 more sources

Integrated geoelectrical and geological data sets for shallow structure characterization of the southern margin of the Krzeszowice Graben (Southern Poland)

open access: yesData in Brief, 2019
The data presented in this paper are related to the characterization of the selected part of the southern margin of the Krzeszowice Graben in Southern Poland. The presented data article contains geoelectrical and geological data.
Tomasz Woźniak, Grzegorz Bania
doaj   +1 more source

Identification of subsidence hazard zone by integrating engineering geological mapping and electrical resistivity tomography in Gunung Kidul karst area, Indonesia

open access: yesJournal of Degraded and Mining Lands Management, 2022
The presence of natural cavities in karst morphology may cause severe civil engineering and environmental management problems. Karst formations will limit the expansion of urbanization, especially infrastructure development in limestone areas ...
Wahyu Wilopo   +6 more
doaj   +1 more source

Determination of cavities using electrical resistivity tomography

open access: yesContributions to Geophysics and Geodesy, 2012
Geophysical surveys for cavity detection are one of the most common nearsurface applications. The usage of resistivity methods is also very straightforward for the air-filled underground voids, which should have theoretically infinite resistivity in the ...
René PUTIŠKA   +3 more
doaj   +1 more source

Electrical geophysical evaluation of susceptibility to flooding in University of Nigeria, Nsukka main campus and its environs, Southeastern Nigeria

open access: yesJournal of Groundwater Science and Engineering, 2023
Flooding occurs when rainfall exceeds the absorption capacity of soil and causes significant environmental consequences. In this study, electrical resistivity techniques were employed to assess the flood susceptibility of the study area by examining ...
Daniel Nnaemeka Obiora   +1 more
doaj   +1 more source

Cone-based electrical resistivity tomography [PDF]

open access: yesGeophysics, 2006
Abstract Determining the 3D spatial distribution of subsurface properties is a challenging, but critical, part of managing the cleanup of contaminated sites. We have developed a minimally invasive technology that can provide information about the 3D distribution of electrical conductivity.
Adam Pidlisecky   +2 more
openaire   +1 more source

A convolutional neural network approach to electrical resistivity tomography

open access: yesJournal of Applied Geophysics, 2020
Abstract Electrical resistivity tomography (ERT) is an ill-posed and non-linear inverse problem commonly solved through deterministic gradient-based methods. These algorithms guarantee fast convergence toward the final solution but hinder accurate uncertainty assessments. On the contrary, numerical Markov Chain Monte Carlo algorithms provide
Aleardi M., Vinciguerra A., Hojat A.
openaire   +3 more sources

Analysis of electrical resistivity and acoustic wave velocity characteristics in fault structures and their combined application in the detection process

open access: yesShuiwen dizhi gongcheng dizhi
Finding out the specific location of the fault structure is of great significance for the engineering site selection and stability evaluation. Electrical resistivity tomography and acoustic logging are geophysical methods widely used in detecting ...
Jian GAO   +5 more
doaj   +1 more source

Removing the effects of temperature on electrical resistivity tomography data collected in partially frozen ground: Limitations and considerations for field applications

open access: yesVadose Zone Journal, 2021
Time‐lapse electrical resistivity tomography (ERT) can be used to image a wide variety of subsurface processes. It is often necessary to remove the effects of seasonal near‐surface temperature variability in order to interpret the signal of interest ...
Teddi Herring   +2 more
doaj   +1 more source

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