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| Preface | |
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| Preface to the First Edition | |
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| Introduction | |
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| Solute Transport and the Role of Simulation | |
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| A Historical Perspective | |
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| About This Book | |
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| A Note on Computer Software | |
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| Concepts and Techniques | |
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| Darcy's Law and Advective Transport | |
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| Average Particle Velocity and Time of Travel | |
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| Generalization of Darcy's Law and Equation of Groundwater Flow | |
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| Advective Transport | |
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| Further Reading and Problems | |
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| Dispersive Transport and Mass Transfer | |
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| Introduction | |
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| Microscopic Dispersive Processes | |
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| Macroscopic Dispersion | |
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| Development of the Advection--Dispersion Equation | |
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| Advective--Diffusive Systems | |
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| Further Reading and Problems | |
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| Transport with Chemical Reactions | |
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| Introduction | |
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| Equilibrium-Controlled Sorption | |
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| Kinetic Sorption | |
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| First-Order Irreversible Reactions | |
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| Monod Kinetic Reactions | |
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| Multispecies Kinetic Reactions | |
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| Reactions in a Dual-Domain System | |
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| Further Reading and Problems | |
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| Mathematical Model and Analytical Solutions | |
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| Mathematical Model of Solute Transport | |
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| Analytical Solutions | |
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| Further Reading and Problems | |
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| Simulation of Advective Transport | |
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| Introduction | |
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| Particle Tracking Method | |
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| Capture Zone Delineation | |
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| Evaluation of Travel Times | |
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| General Particle Tracking Codes | |
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| Further Reading and Problems | |
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| Simulation of Advective-Dispersive Transport | |
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| Introduction | |
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| Eulerian Methods | |
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| Lagrangian Methods | |
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| Mixed Eulerian-Lagrangian Methods | |
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| Total-Variation-Diminishing (TVD) Methods | |
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| Further Reading and Problems | |
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| Simulation of Nonequilibrium Processes and Reactive Transport | |
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| Introduction | |
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| Nonequilibrium Sorption | |
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| Dual-Domain Mass Transfer | |
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| Multispecies Kinetic Reactions | |
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| Coupled Transport and Geochemical Modeling | |
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| General Reactive Transport Codes | |
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| A Case Study: Modeling Natural Attenuation | |
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| Further Reading and Problems | |
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| Field Applications | |
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| A Framework for Model Applications | |
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| The Model Application Process | |
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| Defining Goals | |
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| Data Collection and Conceptual Model Development | |
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| Selection of a Computer Code | |
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| Building a Contaminant Transport Model | |
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| Model Calibration and Sensitivity Analysis | |
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| Prediction and Uncertainty | |
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| Keys to Successful Model Applications | |
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| Further Reading and Problems | |
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| Building A Contaminant Transport Model | |
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| Getting Started | |
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| Spatial Discretizations | |
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| Temporal Discretizations | |
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| Initial Conditions | |
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| Boundary Conditions | |
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| Sources and Sinks | |
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| Data Management | |
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| Further Reading and Problems | |
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| Model Input Parameters | |
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| Data Needs in Transport Modeling | |
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| Flow Parameters | |
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| Transport Parameters | |
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| Chemical Parameters | |
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| Model Calibration and Sensitivity Analysis | |
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| Basic Concepts of Model Calibration | |
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| Assessment of Model Calibration | |
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| Calibration by Trial and Error | |
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| "Automated" Calibration | |
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| Sensitivity Analysis | |
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| Further Reading and Problems | |
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| Dealing With Uncertainty | |
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| Introduction | |
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| Types and Sources of Uncertainty | |
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| Methods for Evaluating Uncertainty | |
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| Managing Uncertainty | |
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| Further Reading and Problems | |
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| Contaminant Transport Modeling: Case Studies | |
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| Modeling Contaminant Migration from a Landfill at the Borden Site in Canada | |
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| Evaluating Remedial Alternatives at a Superfund Site in New Jersey | |
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| Assessing Aquifer Susceptibility to Contamination at an Agricultural Field in Wisconsin | |
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| Application of the Dual-Domain Mass Transfer Approach to the MADE Site in Mississippi | |
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| Advanced Topics | |
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| Simulation of Density-Dependent Flow and Transport | |
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| Introduction | |
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| The Flow Equation for Variable-Density Conditions | |
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| The Relationship between Solute Concentration and Water Density | |
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| The Solute Transport Equation | |
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| General Solution Sequence | |
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| Sharp Interface Approach | |
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| General Variable-Density Codes | |
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| A Case Study: Seawater Intrusion Modeling | |
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| Further Reading and Problems | |
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| Simulation of Flow and Transport in the Vadose Zone | |
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| Introduction | |
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| Basic Concepts of Vadose Zone Hydrology | |
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| Flow Equation for Partially Saturated Conditions | |
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| Solute Transport under Partial Saturation | |
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| Extension to the Air Phase | |
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| General Variably Saturated Codes | |
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| An Illustrative Example | |
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| Further Reading and Problems | |
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| Optimal Management of Groundwater Quality | |
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| Introduction | |
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| The Simulation-Optimization Approach | |
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| Optimization Techniques | |
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| Optimal Management Examples | |
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| Further Reading and Problems | |
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| Darcy's Law and the Variable-Density Flow Equation | |
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| Darcy's Law | |
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| The Variable-Density Flow Equation | |
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| Application of Stream Functions to Groundwater Flows | |
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| Introduction | |
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| Basic Concepts of Stream Functions | |
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| Analytical Solutions | |
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| Numerical Solutions | |
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| Governing Equation | |
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| Boundary Conditions | |
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| Sinks or Sources | |
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| Examples | |
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| Stream functions in Three-Dimensional Flows | |
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| Summary | |
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| Acknowledgement | |
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| Information on Groundwater Modeling Software | |
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| How to Obtain and Use the Companion Software | |
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| Groundwater Modeling Links | |
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| References | |
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| Index | |