A rigorous random field-based framework for 3D stratigraphic uncertainty modelling

W Yan, P Shen, WH Zhou, G Ma - Engineering Geology, 2023 - Elsevier
Sustainable development goals for site-specific and customized design have brought needs
to assess and quantify the stratigraphic uncertainty in three-dimensional (3D) modelling. The …

[HTML][HTML] Geology-driven modeling: A new probabilistic approach for incorporating uncertain geological interpretations in 3D geological modeling

RB Madsen, AS Høyer, LT Andersen, I Møller… - Engineering …, 2022 - Elsevier
Combining different sources of information about the subsurface is an inherent challenge in
the process of making realistic geological and hydrostratigraphic models. Often the available …

[HTML][HTML] A method to construct statistical prior models of geology for probabilistic inversion of geophysical data

RB Madsen, AS Høyer, PBE Sandersen, I Møller… - Engineering …, 2023 - Elsevier
In probabilistic inversion of geophysical data, one must describe the expected noise in the
system, and any prior information. In a geoscience context, prior information can provide a …

[HTML][HTML] 3D multiple-point geostatistical simulation of joint subsurface redox and geological architectures

RB Madsen, H Kim, AJ Kallesøe… - Hydrology and Earth …, 2021 - hess.copernicus.org
Nitrate contamination of subsurface aquifers is an ongoing environmental challenge due to
nitrogen (N) leaching from intensive N fertilization and management on agricultural fields …

Thermal kinetics of PFAS and precursors in soil: Experiment and surface simulation in temperature-time plane

M Al Amin, Y Luo, A Nolan, M Mallavarapu, R Naidu… - Chemosphere, 2023 - Elsevier
Per-and polyfluoroalkyl substances (PFAS) are chemically and thermally stable due to the
presence of carbon-fluorine (C–F) bond in their molecular structures, hence have been …

[HTML][HTML] Enhancing estimation accuracy of nonstationary hydrogeological fields via geodesic kernel-based Gaussian process regression

J Piao, E Park - Journal of Hydrology, 2023 - Elsevier
In this study, the combined application of the geodesic kernel and Gaussian process
regression was explored to estimate nonstationary hydraulic conductivity fields in two …

[HTML][HTML] Near surface sediments introduce low frequency noise into gravity models

GA Phelps, C Cronkite-Ratcliff - Applied Computing and Geosciences, 2023 - Elsevier
Abstract 3D geologic modeling and mapping often relies on gravity modeling to identify key
geologic structures, such as basin depth, fault offset, or fault dip. Such gravity models …

Introducing INPOX: a method for informed point extraction from geological 2D surfaces exemplified on the Danish national hydrostratigraphic model

RB Madsen, FA Falk, I Møller, AS Høyer - GEUS Bulletin, 2024 - geusbulletin.org
This study presents a probabilistic method for extracting informed points from geological
surfaces, named INPOX. The method generates a probability map from the existing surface …