Probabilistic inversions of electrical resistivity tomography data with a machine learning‐based forward operator

M Aleardi, A Vinciguerra, E Stucchi, A Hojat - Geophysical Prospecting, 2022 - earthdoc.org
Casting a geophysical inverse problem into a Bayesian setting is often discouraged by the
computational workload needed to run many forward modelling evaluations. Here we …

Application of electrical resistivity tomography (ERT) in uranium mining earth dam

CA Moreira, L Guireli Netto… - … of Geophysics and …, 2022 - academic.oup.com
Dams are built to contain water or mining tailings and provide several benefits to society.
The safety and stability of these structures are essential since eventual accidents can …

[HTML][HTML] Geophysical electrical potential inversion for grouting remote monitoring of coal mine double-layered wellbores

B Su, H Yang, G Królczyk, Q Yang, S Liu… - Alexandria Engineering …, 2024 - Elsevier
This work aims to remotely monitor the grouting process of double-layered wellbores in
deep coal mining area by proposing a new geophysical electrical potential inversion …

Assessing the effect of offline topography on electrical resistivity measurements: insights from flood embankments

A White, J Boyd, P Wilkinson, HE Unwin… - Geophysical Journal …, 2024 - academic.oup.com
Electrical resistivity tomography (ERT), a geophysical imaging method, is commonly used on
flood embankments (dykes or levees) to characterize their internal structure and look for …

[HTML][HTML] Monitoring spatiotemporal soil moisture changes in the subsurface of forest sites using electrical resistivity tomography (ERT)

J Fäth, J Kunz, C Kneisel - Journal of Forestry Research, 2022 - Springer
The effects of drought on tree mortality at forest stands are not completely understood. For
assessing their water supply, knowledge of the small-scale distribution of soil moisture as …

Machine learning‐accelerated gradient‐based Markov chain Monte Carlo inversion applied to electrical resistivity tomography

M Aleardi, A Vinciguerra, E Stucchi… - Near Surface Geophysics, 2022 - earthdoc.org
Expensive forward model evaluations and the curse of dimensionality usually hinder
applications of Markov chain Monte Carlo algorithms to geophysical inverse problems …

Study on the propagation characteristics of seismic waves perpendicular to the earth-rock dam axis

H Xu, YQ Zong, JP Liu, XH Jiang, F Cheng - Soil Dynamics and Earthquake …, 2024 - Elsevier
Geophones are typically arranged along the dam axis when seismic wave methods are
used to detect latent hazards. Due to the complexity of the potential hazards and physical …

[HTML][HTML] An Iterative 3D Correction plus 2D Inversion Procedure to Remove 3D Effects from 2D ERT Data along Embankments

A Hojat - Sensors, 2024 - mdpi.com
This paper addresses the problem of removing 3D effects as one of the most challenging
problems related to 2D electrical resistivity tomography (ERT) monitoring of embankment …

Stochastic electrical resistivity tomography with ensemble smoother and deep convolutional autoencoders

M Aleardi, A Vinciguerra, E Stucchi… - Near Surface Geophysics, 2022 - earthdoc.org
To reduce both the computational cost of probabilistic inversions and the ill‐posedness of
geophysical problems, model and data spaces can be reparameterized into low …

[HTML][HTML] Geophysical Characterization and Seepage Detection of the Chimney Rock Dam Embankment Near Salina, Oklahoma

P Adetokunbo, A Ismail, F Mewafy, O Sanuade - Water, 2024 - mdpi.com
The operator of Chimney Rock Dam observed the emergence of increasing seepage at the
toe of the dam when the water level in the reservoir exceeded a particular elevation …