Characterizing flow and transport in fractured geological media: A review

B Berkowitz - Advances in water resources, 2002 - Elsevier
We analyze measurements, conceptual pictures, and mathematical models of flow and
transport phenomena in fractured rock systems. Fractures and fracture networks are key …

Organic contaminant transport and fate in the subsurface: Evolution of knowledge and understanding

HI Essaid, BA Bekins… - Water Resources Research, 2015 - Wiley Online Library
Toxic organic contaminants may enter the subsurface as slightly soluble and volatile
nonaqueous phase liquids (NAPLs) or as dissolved solutes resulting in contaminant plumes …

Steady state mass transfer from single‐component dense nonaqueous phase liquids in uniform flow fields

TC Sale, DB McWhorter - Water Resources Research, 2001 - Wiley Online Library
In recent years it has become increasingly clear that most remedial technologies fail to
completely remove dense nonaqueous phase liquid (DNAPL) from subsurface source …

DNAPL source depletion: Linking architecture and flux response

AD Fure, JW Jawitz, MD Annable - Journal of contaminant hydrology, 2006 - Elsevier
The relationship between dense non-aqueous phase liquid (DNAPL) mass reduction and
contaminant mass flux was investigated experimentally in four model source zones. The flow …

Mapping and monitoring of DNAPL source zones with combined direct current resistivity and induced polarization: a field‐scale numerical investigation

A Almpanis, J Gerhard, C Power - Water Resources Research, 2021 - Wiley Online Library
Direct current (DC) resistivity has been widely investigated for non‐invasive mapping of
dense non‐aqueous phase liquids (DNAPLs); however, due to its difficulty in distinguishing …

Estimating mass discharge from dense nonaqueous phase liquid source zones using upscaled mass transfer coefficients: An evaluation using multiphase numerical …

JA Christ, CA Ramsburg, KD Pennell… - Water Resources …, 2006 - Wiley Online Library
Difficulties associated with identifying the dense nonaqueous phase liquid (DNAPL) source
zone architecture at the field scale, combined with the computational costs of field‐scale …

The influence of field-scale heterogeneity on the infiltration and entrapment of dense nonaqueous phase liquids in saturated formations

TJ Dekker, LM Abriola - Journal of contaminant hydrology, 2000 - Elsevier
Numerical simulations are used for the systematic exploration of the migration and
entrapment of dense nonaqueous phase liquids (DNAPLs) in heterogeneous formations …

Applying compactness constraints to differential traveltime tomography

JB Ajo-Franklin, BJ Minsley, TM Daley - Geophysics, 2007 - library.seg.org
Tomographic imaging problems are typically ill-posed and often require the use of
regularization techniques to guarantee a stable solution. Minimization of a weighted norm of …

Effects of source zone heterogeneity on surfactant-enhanced NAPL dissolution and resulting remediation end-points

S Saenton, TH Illangasekare, K Soga… - Journal of Contaminant …, 2002 - Elsevier
The effectiveness of removal of nonaqueous phase liquids (NAPLs) from the entrapment
source zone of the subsurface has been limited by soil heterogeneity and the inability to …

Capillary pressure characteristics necessary for simulating DNAPL infiltration, redistribution, and immobilization in saturated porous media

JI Gerhard, BH Kueper - Water Resources Research, 2003 - Wiley Online Library
This study presents a capillary‐pressure saturation (PC‐S) constitutive model that
incorporates the capillary phenomena necessary for simulating the spatial distribution of …