3-D Structural geological models: Concepts, methods, and uncertainties

F Wellmann, G Caumon - Advances in geophysics, 2018 - Elsevier
The Earth below ground is the subject of interest for many geophysical as well as geological
investigations. Even though most practitioners would agree that all available information …

3D geological structure inversion from Noddy-generated magnetic data using deep learning methods

J Guo, Y Li, MW Jessell, J Giraud, C Li, L Wu, F Li… - Computers & …, 2021 - Elsevier
Using geophysical inversion for three-dimensional (3D) geological modeling is an effective
way to model underground geological structures. In this study, we propose and investigate a …

[HTML][HTML] Bayesian geological and geophysical data fusion for the construction and uncertainty quantification of 3D geological models

HKH Olierook, R Scalzo, D Kohn, R Chandra… - Geoscience …, 2021 - Elsevier
Traditional approaches to develop 3D geological models employ a mix of quantitative and
qualitative scientific techniques, which do not fully provide quantification of uncertainty in the …

Three-dimensional refined modelling of deep structures by using the level set method: Application to the Zhaoping Detachment Fault, Jiaodong Peninsula, China

J Wang, X Mao, C Peng, J Chen, H Deng, Z Liu… - Mathematical …, 2023 - Springer
The construction of fine-scale three-dimensional models of deep structures at a regional
scale remains challenging. These models can be significantly benefitted by focusing on the …

Efficient multiscale imaging of subsurface resistivity with uncertainty quantification using ensemble Kalman inversion

CHM Tso, M Iglesias, P Wilkinson… - Geophysical Journal …, 2021 - academic.oup.com
Electrical resistivity tomography (ERT) is widely used to image the Earth's subsurface and
has proven to be an extremely useful tool in application to hydrological problems …

Uncertainty analysis of 3D potential-field deterministic inversion using mixed Lp norms

X Wei, J Sun - Geophysics, 2021 - library.seg.org
The nonuniqueness problem in geophysical inversion, especially potential-field inversion, is
widely recognized. It is argued that uncertainty analysis of a recovered model should be as …

Joint multinary inversion of gravity and magnetic data using Gramian constraints

W Lin, MS Zhdanov - Geophysical Journal International, 2018 - academic.oup.com
This paper proposes a novel approach to the joint inversion of gravity and magnetic data
based on multinary transformation of the model parameters and Gramian constraints. The …

Geophysical inversion for 3D contact surface geometry

CG Galley, PG Lelièvre, CG Farquharson - Geophysics, 2020 - library.seg.org
Geologists' interpretations about the earth typically involve distinct rock units with contacts
between them. Three-dimensional geologic models typically comprise surfaces of …

[HTML][HTML] Unraveling the uncertainty of geological interfaces through data-knowledge-driven trend surface analysis

L Wang, L Peeters, EJ MacKie, Z Yin, J Caers - Computers & Geosciences, 2023 - Elsevier
Modeling complex geological interfaces is a common task in geosciences. Many data
sources are available for geological interface modeling, including borehole data and …

Generalization of level-set inversion to an arbitrary number of geologic units in a regularized least-squares framework

J Giraud, M Lindsay, M Jessell - Geophysics, 2021 - library.seg.org
We have developed an inversion method for recovery of the geometry of an arbitrary number
of geologic units using a regularized least-squares framework. The method addresses cases …