Surface parameters and bedrock properties covary across a mountainous watershed: Insights from machine learning and geophysics
Bedrock property quantification is critical for predicting the hydrological response of
watersheds to climate disturbances. Estimating bedrock hydraulic properties over watershed …
watersheds to climate disturbances. Estimating bedrock hydraulic properties over watershed …
Subsurface imaging of water electrical conductivity, hydraulic permeability and lithology at contaminated sites by induced polarization
At contaminated sites, knowledge about geology and hydraulic properties of the subsurface
and extent of the contamination is needed for assessing the risk and for designing potential …
and extent of the contamination is needed for assessing the risk and for designing potential …
Quantifying reagent spreading by cross‐borehole electrical tomography to assess performance of groundwater remediation
In situ remediation of contaminated groundwater often relies on the installation of a
treatment zone (TZ) degrading the contamination. Zero‐valent‐iron (ZVI) is a type of reagent …
treatment zone (TZ) degrading the contamination. Zero‐valent‐iron (ZVI) is a type of reagent …
Spectral induced polarization (SIP) of denitrification‐driven microbial activity in column experiments packed with calcareous aquifer sediments
C Strobel, S Abramov, JA Huisman… - Journal of …, 2023 - Wiley Online Library
Abstract Spectral Induced Polarization (SIP) has been suggested as a non‐invasive
monitoring proxy for microbial processes. Under natural conditions, however, multiple and …
monitoring proxy for microbial processes. Under natural conditions, however, multiple and …
Assessing Contaminant Mass Discharge Uncertainty With Application of Hydraulic Conductivities Derived From Geoelectrical Cross‐Borehole Induced Polarization …
R Thalund‐Hansen, M Troldborg, L Levy… - Water Resources …, 2023 - Wiley Online Library
A new methodology was developed to support contaminant mass discharge (CMD)‐based
risk assessment of groundwater contamination downgradient of point source zones …
risk assessment of groundwater contamination downgradient of point source zones …
Sensitivity analysis of inverted model parameters from transient electromagnetic measurements affected by induced polarization effects
L Aigner, D Werthmüller, AF Orozco - Journal of Applied Geophysics, 2024 - Elsevier
We investigate the application of the distance-based global sensitivity analysis (DGSA) to
evaluate the sensitivity of electrical model parameters obtained from transient …
evaluate the sensitivity of electrical model parameters obtained from transient …
Imaging hydraulic conductivity in near-surface aquifers by complementing cross-borehole induced polarization with hydraulic experiments
Precise information about the spatial distribution of hydraulic conductivity (K) in an aquifer is
essential for the reliable modeling of groundwater flow and transport processes. In this …
essential for the reliable modeling of groundwater flow and transport processes. In this …
Electrical resistivity tomography and time-domain induced polarization field investigations of geothermal areas at Krafla, Iceland: comparison to borehole and …
Interaction of H2S and basaltic rocks in volcanic geothermal areas can originate from natural
up-flow of magmatic fluids or H2S artificial re-injection in relation to geothermal exploitation …
up-flow of magmatic fluids or H2S artificial re-injection in relation to geothermal exploitation …
A geostatistical Markov chain Monte Carlo inversion algorithm for electrical resistivity tomography
Electrical resistivity tomography is an ill‐posed and nonlinear inverse problem commonly
solved through deterministic gradient‐based methods. These methods guarantee a fast …
solved through deterministic gradient‐based methods. These methods guarantee a fast …
Investigation of cable effects in spectral induced polarization imaging at the field scale using multicore and coaxial cables
A Flores Orozco, L Aigner, J Gallistl - Geophysics, 2021 - library.seg.org
The spectral induced polarization (SIP) method has emerged as a well-suited laboratory
technique to characterize hydrogeologic and biogeochemical parameters in soil samples …
technique to characterize hydrogeologic and biogeochemical parameters in soil samples …