Preface
by Neil R. Thomson & James F. Barker

v

1

Groundwater Quality

A global inventory of groundwater quality: first results
Jasper Griffioen, Rianne Brunt, Slavek Vasak & Jac Van Der Gun

3

Groundwater quality in Canada: a national overview
Suzanne Lesage

11

Cumulative factors affecting groundwater quality in domestic wells in Finland
Kirsti Korkka-Niemi

19

Urbanization of rural watersheds in the region of Waterloo: implications for water quality
Randy L. Stotler, Jon Paul Jones, Shaun K. Frape, Robert J. Drimmie, Craig T. Johnston & Ian Judd-Henry

29

Burial sites and their impact on groundwater
Julian Trick, Ben Klinck, Patricia Coombs, Dave Noy & Geoff Williams

36

Quality of water from hand-dug wells, boreholes, and streams in two localities in southwest Nigeria: implications for incidence of water borne diseases
Samson Ayanlaja, O. O. Kehinde-Phillips, Francis Ogunkolo, Bunmi Dada & B. A. Senjobi

44

Groundwater quality trend detection at the regional scale: effects of spatial and temporal variability
H. P. Broers, J. Rozemeijer, M. Van De Aa, B. Van Der Grift & E. A. Buijs

50

2

Contaminant Input Processes

Evaluating diffuse groundwater pollution trends—a key challenge for the new EC water directives
Stephen Foster

63

Indicators for assessing transport of oil sands process-affected waters
Michael MacKinnon, Grey Kampala, Bill Marsh, Phil Fedorak & Selma Guigard

71

Herbicide runoff on a pastoral hill slope—a case study
Karin Müller, Roland Stenger & Anis Rahman

81

Dynamics of groundwater recharge through structured soils and the influence on water quality
Edwin Cey, David Rudolph & René Therrien

89

Assessing water travel times during riverbank filtration
Melissa Dawe & Kerry MacQuarrie

97

Investigating surface water–groundwater interactions with the help of sewage indicators in Berlin, Germany
Gudrun Massmann, Uwe Dünnbier, Janek Greskowiak, Andrea Knappe & Asaf Pekdeger

103

Fate and transport of phage as surrogates for viral pathogens in UK aquifers
Eadaoin Joyce, Katie Collins, Aidan Cronin, Joerg Rueedi, Steve Pedley, Alwyn Hart, John Tellam & Richard Greswell

113

Effects of macropore flow on solute transport in a vadoze zone under repetitive rainfall events
Fumi Sugita, Tokuo Kishii & Michael English

122

Factors controlling the chemistry of shallow groundwater in different geological and hydrological environments
Irén Varsányi, Hélène Pauwels & Lajos Ó.Kovács

130

Impact of a polluted stream on its adjacent aquifer: the case of the Alamar zone, Tijuana, Mexico
Fernando T. Wakida, Luis E. Ponce-Serrano, Eulalia Mondragon-Silva, E. Garcia-Flores, David N. Lerner & Guillermo Rodríguez-Ventura

141

The influence of relative permeability heterogeneity on DNAPL releases
G. P. Grant, J. I. Gerhard & B. H. Kueper

148

3

Site Characterization

Characterization of Quaternary gravel aquifers and their implementation in hydrogeological models
Uli Maier, Andreas Becht, Boris Kostic, Claudius Bürger, Peter Bayer, Georg Teutsch & Peter Dietrich

159

Geostatistical evaluation of high frequency hydraulic property and groundwater quality data collected by the Waterloo Profiler
Shane McDonald, Jeff Groncki & Susanne Biteman

169

Quantification of PCE mass flow rates for source zone identification
Sebastian Bauer, Marti Bayer-Raich, Christian Kolesar, Dietmar Müller, Thomas Holder & Thomas Ptak

176

Characterization of transport processes in a heterogeneous aquifer using electrical resistivity tomography (ERT)
Kerstin Müller, Jan Vanderborght, Andreas Englert, Andreas Kemna & Harry Vereecken

182

Contaminant retardation by double-porosity diffusive exchange in the Chalk: implications for monitoring
William Burgess, John Barker, Sally Watson & Ben Fretwell

191

Real and apparent thickness relationship for gasoline and gasohol contamination
Alexandra Finotti, Nelson Caicedo, Everton De Oliveira & José Luiz Zoby

197

Detection and characterization of a vinyl chloride plume inside an urbanized area
Alessandro Gargini & Monica Pasini

203

Wettability effects on the natural remobilization of mixed DNAPL pools
James W. Roy, James E. Smith & Robert W. Gillham

212

4

Management and Decision Making

Impacts of changing agricultural land-use practices on municipal groundwater quality: Woodstock, Ontario
Claus P. Haslauer, David L. Rudolph, Neil R. Thomson, Rob Walton & Margaret Misek-Evans

223

Developing a farm wellhead protection plan
Hugh Simpson & James Myslik

234

Managing basin-wide groundwater quality changes resulting from enhanced groundwater recharge programs
N. Thomas Sheahan, W. Greg Hamer & David S. Gould

241

Risk-based design of cost-efficient remediation strategies at megasites
Fabio Serapiglia, Judith Sievers & Michael Finkel

249

IMS—A risk-based management approach for megasites, example Bitterfeld megasite, Germany
Jochen Großmann, Judith Sievers, Antje Ritter & Martin Keil

256

Macro and micro scale evaluation of contaminant plumes at Aberdeen Proving Ground
Donald J. Green

262

5

Natural Attenuation Processes and Applications

SIReN: Site for innovative research on monitored natural attenuation
Sarah Macnaughton, Richard Swannell, Gordon Lethbridge, Philippa Scott, Graham Norris, Nicola Harries, Alwyn Hart & Jonathan Smith

269

Assessing measurements of first-order degradation rates through the virtual aquifer approach
Sebastian Bauer, Christof Beyer & Olaf Kolditz

274

Investigations of a large TCE plume discharging to surface water
Steven Chapman, Beth Parker & John Cherry

282

Assessment of stable carbon isotopes as a tool for assessing MTBE biodegradation at a field site
Luis E. Lesser, Gerard Spinnler, Paul C. Johnson & Ramon Aravena

290

Natural attenuation of volatile hydrocarbons in the unsaturated zone—modelling for the Værløse field site
Uli Maier, Uli Mayer & Peter Grathwohl

296

Fate and transport of naphthenic acids in groundwater
Francoise Gervais & James Barker

305

Wetlands as natural reactive barriers: the hydrological and geomorphological landscape perspective
Seiichiro Ioka & Norio Tase

311

Steady state plumes: transverse mixing in aquifers, numerical experiments and field scale predictions for natural attenuation
Uli Maier, Hermann Rügner & Peter Grathwohl

317

Modelling a controlled-sourced, multichemical plume undergoing natural attenuation
Caitlin Martin, Hugh McCreadie, John W. Molson & Jim Barker

326

Tracing landfill leachate impacts on groundwater using DOC geochemistry and δ13C measurements
Hossein Mohammadzadeh, Ian Clark & Gilles St-Jean

332

Natural attenuation of N-S-O heteroaromatic compounds in groundwater: chemical analyses, reactive transport experiments and field studies
Matthias Piepenbrink, Martina Krüger, Thomas Ptak & Peter Grathwohl

338

6

In Situ Remediation

In situ groundwater clean-up of MTBE by photocatalysis
May Chan, Alex Orlov, Richard Lambert & Rod Lynch

349

Spatial variations in MTBE-biodegradation activity near a biobarrier in Port Hueneme, California
Luis E. Lesser & Paul C. Johnson

358

Sequential reactive barrier remediation of ammonium-contaminated groundwater using polymer mats
Bradley M. Patterson, Michelle E. Grassi, Blair Robertson, Gregory B. Davis & Allan J. McKinley

367

Separating the kinetic and sorption parameters of nitroaromatic compounds in contact with granular iron
Melissa Marietta & John F. Devlin

376

Investigation of the performance of organic carbon permeable reactive barriers using dissolved gas analysis
Randi L. Williams, K. Ulrich Mayer, Rich T. Amos, David W. Blowes & Carol J. Ptacek

383

Adsorption of natural organic matter and its effects on TCE degradation by iron PRBs
Stefano Marconetto, Lai Gui & Robert Gillham

389

In situ chemical oxidation test of organic solvents with potassium permanganate
Salvador Jordana, Jordi Guimerà, Josep A. Domènec & Josep M. Subirana

398

A meso-scale constructed wetland for the remediation of chlorobenzene contaminated groundwater
Arno Kaschl, Andrea Schultz, Carsten Vogt, Falk Dorusch, Peter Popp, Helko Borsdorf, Eberhard Küster, Peter Kuschk, Matthias Kästner & Holger Weiß

404

On-site landfill leachate management in a headwater catchment
Brian Beatty & Joanne Thompson

412

Surfactant enhanced air sparging in Borden sand
Gordon H. Brown, Michael D. Annable, Jaehyun Cho & Heonki Kim

418

Remediation of bromate contaminated groundwater
Ray Butler, E. Cartmell, A. Godley & L. Lytton

426

Remediation of groundwater contaminated by trichloroethylene using groundwater extraction and effects of natural attenuation
Nobuyuki Egusa, Tatemasa Hirata, Masanori Yoshioka & Osami Nakasugi

433

7

Flow and Transport Modelling

Pesticide transport in groundwater at the national scale: coupling an unsaturated zone model with a groundwater flow model
Aaldrik Tiktak, Ton Van Der Linden & Gerard Uffink

441

Stochastic modelling of well head protection zones in highly heterogeneous aquifers
Monica Riva, Laura Guadagnini, Eugeniu Martac & Thomas Ptak

449

An adaptive hybrid method of characteristics technique for solving solute transport problems
Jianmei Cheng, Danhong Huang & Jianming Chen

458

Modelling groundwater/surface water interactions using MODFLOW-WhaT
R. Brad Thoms & R. L. Johnson

466

A fully-coupled approach to evaluate the effectiveness of tile-drain systems to control drainage water and salinity
George B. Matanga, Claire Jacquemin & Don Demarco

473

How old is the water? Simulating groundwater age at the watershed scale
J. W. Molson & E. O. Frind

482

Large-scale groundwater flow and transport modelling: methodology and application to the Meuse Basin, Belgium
Philippe Orban, Serge Brouyere, Horatiu Corbeanu & Alain Dassargues

489

Delineation of well head protection areas for wells in Urmia Plain, Iran, using WhAEM2000
K. Badv & M. Deriszadeh

496

Surface and groundwater qualities in an urbanized catchment: scenario from a developing country
Moshood N. Tijani & Shin-Ichi Onodera

506

Applying a laboratory-scale biodegradation concept to model field-scale reactive transport with advanced numerical methods
Sascha E. Oswald, Ian A. Watson, Roger S. Crouch & Steven A. Banwart

517

Numerical simulation of density-driven permanganate oxidation of trichloroethylene DNAPL in a sandy aquifer
Thomas H. Henderson, K. Ulrich Mayer, Beth L. Parker & Tom A. Al

525

An object-oriented groundwater/river model
Olaf Kolditz, Martin Beinhorn & Rudolf Liedl

531

Key word index

541

Author index

545