[HTML][HTML] Long-term performance evaluation of zero-valent iron amended permeable reactive barriers for groundwater remediation–A mechanistic approach

M Lawrinenko, S Kurwadkar, RT Wilkin - Geoscience frontiers, 2023 - Elsevier
Permeable reactive barriers (PRBs) are used for groundwater remediation at contaminated
sites worldwide. This technology has been efficient at appropriate sites for treating organic …

Parameter estimation by ensemble Kalman filters with transformed data: Approach and application to hydraulic tomography

A Schöniger, W Nowak… - Water Resources …, 2012 - Wiley Online Library
Ensemble Kalman filters (EnKFs) are a successful tool for estimating state variables in
atmospheric and oceanic sciences. Recent research has prepared the EnKF for parameter …

Evaluating the effects of multiscale heterogeneous sediments on solute mixing and effective dispersion

W Ren, R Ershadnia, CD Wallace… - Water Resources …, 2022 - Wiley Online Library
The heterogeneity of sedimentary aquifers can be characterized by parameters related to
the underlying sedimentary structure such as physical attributes of sediments (eg, volume …

Transverse mixing in three‐dimensional nonstationary anisotropic heterogeneous porous media

OA Cirpka, G Chiogna, M Rolle… - Water Resources …, 2015 - Wiley Online Library
Groundwater plumes originating from continuously emitting sources are typically controlled
by transverse mixing between the plume and reactants in the ambient solution. In two …

Stochastic flux‐related analysis of transverse mixing in two‐dimensional heterogeneous porous media

OA Cirpka, FPJ de Barros, G Chiogna… - Water Resources …, 2011 - Wiley Online Library
Transverse mixing of solutes in steady state transport is of utmost importance for assessing
mixing‐controlled reactions of compounds that are continuously introduced into the …

Bayesian assessment of the expected data impact on prediction confidence in optimal sampling design

PC Leube, A Geiges, W Nowak - Water Resources Research, 2012 - Wiley Online Library
Incorporating hydro (geo) logical data, such as head and tracer data, into stochastic models
of (subsurface) flow and transport helps to reduce prediction uncertainty. Because of …

Uncertainty evaluation of mass discharge estimates from a contaminated site using a fully Bayesian framework

M Troldborg, W Nowak, N Tuxen… - Water Resources …, 2010 - Wiley Online Library
The estimation of mass discharges from contaminated sites is valuable when evaluating the
potential risk to down‐gradient receptors, when assessing the efficiency of a site …

Inverse estimation of multiple contaminant sources in three-dimensional heterogeneous aquifers with variable-density flows

S Yoon, S Lee, J Zhang, L Zeng, PK Kang - Journal of Hydrology, 2023 - Elsevier
Groundwater contamination is an exacerbating global issue that severely threatens human
health. Subsurface remediation thus has gained increased interest in recent years. To …

Minimum hydraulic resistance and least resistance path in heterogeneous porous media

CB Rizzo, FPJ de Barros - Water Resources Research, 2017 - Wiley Online Library
The transport dynamics of a solute plume in porous media are strictly related to the
hydrogeological properties. Despite progress in simulation techniques, quantifying transport …

Predicting DNAPL mass discharge and contaminated site longevity probabilities: Conceptual model and high‐resolution stochastic simulation

J Koch, W Nowak - Water Resources Research, 2015 - Wiley Online Library
Improper storage and disposal of nonaqueous‐phase liquids (NAPLs) has resulted in
widespread contamination of the subsurface, threatening the quality of groundwater as a …