Applied contaminant transport modeling

Başlık:

Yazar:

Zheng, Chunmiao, 1962-

ISBN:

9780471384779

Ek Yazar:

Zheng, Chunmiao, 1962-

Edition:

2nd ed.

Yayım Bilgisi:

Fiziksel Tanım:

xx, 621 pages : illustrations, maps ; 25 cm

Contents:

Introduction -- Concepts and Techniques. Darcy's Law and Advective Transport. Dispersive Transport and Mass Transfer. Transport with Chemical Reactions. Mathematical Model and Analytical Solutions. Simulation of Advective Transport. Simulation of Advective-Dispersive Transport. Simulation of Nonequilibrium Processes and Reactive Transport -- Field Applications. A Framework for Model Applications. Building a Contaminant Transport Model. Model Input Parameters. Model Calibration and Sensitivity Analysis. Dealing with Uncertainty. Contaminant Transport Modeling: Case Studies -- Advanced Topics. Simulation of Density-Dependent Flow and Transport.

Konu Terimleri:

Yer altı suyu -- Kirlenme -- Matematiksel modeller.

Lagrange denklemleri.

Yer altı suyu -- Kirlenme -- Alan çalışmaları.

Groundwater -- Pollution -- Mathematical models.

Lagrange equations.

Groundwater -- Pollution -- Case studies.

Added Author:

Bennett, Gordon D.

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Library	Materyal Türü	Barkod	Yer Numarası	Durum
Searching... Pamukkale Merkez Kütüphanesi	Kitap	0097980	TD426 Z44 2002	Searching... Unknown

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Özet

The challenges facing groundwater scientists and engineers today demand expertise in a wide variety of disciplines-geology, hydraulics, geochemistry, geophysics, and biology. As the number of the subdisciplines has increased and as each has become more complex and quantitative, the problem of integrating their concepts and contributions into a coherent overall interpretation has become progressively more difficult. To an increasing degree transport simulation has emerged as an answer to this problem, and the transport model has become a vehicle for integrating the vast amount of field data from a variety of sources and for understanding the relationship of various physical, chemical, and biological processes.

Applied Contaminant Transport Modeling is the first resource designed to provide coverage of the discipline's basic principles, including the theories behind solute transport in groundwater, common numerical techniques for solving transport equations, and step-by-step guidance on the development and use of field-scale modeling. The Second Edition incorporates recent advances in contaminant transport theory and simulation techniques, adding the following to the original text:

-An expanded discussion of the role of aquifer heterogeneity in controlling solute transport
-A new section on the dual-domain mass transfer approach as an alternative to the classical advection-dispersion model
-Additional chemical processes and reactions in the discussion of reactive transport
-A discussion of the TVD (total-variation-diminishing) approach to transport solution
-An entirely new Part III containing two chapters on simulation of flow and transport under variable water density and under variable saturation, respectively, and a third chapter on the use of the simulation-optimization approach in remediation system design

Applied Contaminant Transport Modeling, Second Edition remains the premier reference for practicing hydrogeologists, environmental scientists, engineers, and graduate students in the field. In 1998, in recognition of their work on the first edition, the authors were honored with the John Hem Excellence in Science and Engineering Award of the National Ground Water Association

Author Notes

CHUNMIAO ZHENG is Professor of Hydrogeology in the Department of Geological Sciences at the University of Alabama in Tuscaloosa, Alabama, where he coordinates the Hydrogeology Program, an interdisciplinary curriculum.

GORDON D. BENNETT is a Senior Associate with S. S. Papadopulos & Associates, Inc., an environmental and water-resource consulting firm with offices in the United States and Canada.

Preface	p. xvii
Preface to the First Edition	p. xix
1 Introduction	p. 1
1.1 Solute Transport and the Role of Simulation	p. 1
1.2 A Historical Perspective	p. 5
1.3 About This Book	p. 8
1.4 A Note on Computer Software	p. 10
Part 1 Concepts and Techniques	p. 11
2 Darcy's Law and Advective Transport	p. 13
2.1 Average Particle Velocity and Time of Travel	p. 13
2.2 Generalization of Darcy's Law and Equation of Groundwater Flow	p. 17
2.3 Advective Transport	p. 20
Further Reading and Problems	p. 32
3 Dispersive Transport and Mass Transfer	p. 34
3.1 Introduction	p. 34
3.2 Microscopic Dispersive Processes	p. 35
3.3 Macroscopic Dispersion	p. 57
3.4 Development of the Advection--Dispersion Equation	p. 65
3.5 Advective--Diffusive Systems	p. 71
Further Reading and Problems	p. 76
4 Transport with Chemical Reactions	p. 78
4.1 Introduction	p. 78
4.2 Equilibrium-Controlled Sorption	p. 80
4.3 Kinetic Sorption	p. 91
4.4 First-Order Irreversible Reactions	p. 92
4.5 Monod Kinetic Reactions	p. 95
4.6 Multispecies Kinetic Reactions	p. 97
4.7 Reactions in a Dual-Domain System	p. 103
Further Reading and Problems	p. 105
5 Mathematical Model and Analytical Solutions	p. 107
5.1 Mathematical Model of Solute Transport	p. 107
5.2 Analytical Solutions	p. 114
Further Reading and Problems	p. 119
6 Simulation of Advective Transport	p. 123
6.1 Introduction	p. 123
6.2 Particle Tracking Method	p. 124
6.3 Capture Zone Delineation	p. 156
6.4 Evaluation of Travel Times	p. 161
6.5 General Particle Tracking Codes	p. 166
Further Reading and Problems	p. 167
7 Simulation of Advective-Dispersive Transport	p. 171
7.1 Introduction	p. 171
7.2 Eulerian Methods	p. 173
7.3 Lagrangian Methods	p. 203
7.4 Mixed Eulerian-Lagrangian Methods	p. 209
7.5 Total-Variation-Diminishing (TVD) Methods	p. 223
Further Reading and Problems	p. 231
8 Simulation of Nonequilibrium Processes and Reactive Transport	p. 235
8.1 Introduction	p. 235
8.2 Nonequilibrium Sorption	p. 236
8.3 Dual-Domain Mass Transfer	p. 238
8.4 Multispecies Kinetic Reactions	p. 240
8.5 Coupled Transport and Geochemical Modeling	p. 243
8.6 General Reactive Transport Codes	p. 245
8.7 A Case Study: Modeling Natural Attenuation	p. 247
Further Reading and Problems	p. 255
Part 2 Field Applications	p. 259
9 A Framework for Model Applications	p. 261
9.1 The Model Application Process	p. 261
9.2 Defining Goals	p. 262
9.3 Data Collection and Conceptual Model Development	p. 263
9.4 Selection of a Computer Code	p. 264
9.5 Building a Contaminant Transport Model	p. 267
9.6 Model Calibration and Sensitivity Analysis	p. 267
9.7 Prediction and Uncertainty	p. 268
9.8 Keys to Successful Model Applications	p. 269
Further Reading and Problems	p. 270
10 Building A Contaminant Transport Model	p. 271
10.1 Getting Started	p. 271
10.2 Spatial Discretizations	p. 273
10.3 Temporal Discretizations	p. 279
10.4 Initial Conditions	p. 282
10.5 Boundary Conditions	p. 283
10.6 Sources and Sinks	p. 287
10.7 Data Management	p. 290
Further Reading and Problems	p. 293
11 Model Input Parameters	p. 294
11.1 Data Needs in Transport Modeling	p. 294
11.2 Flow Parameters	p. 295
11.3 Transport Parameters	p. 300
11.4 Chemical Parameters	p. 306
12 Model Calibration and Sensitivity Analysis	p. 316
12.1 Basic Concepts of Model Calibration	p. 316
12.2 Assessment of Model Calibration	p. 318
12.3 Calibration by Trial and Error	p. 321
12.4 "Automated" Calibration	p. 328
12.5 Sensitivity Analysis	p. 343
Further Reading and Problems	p. 348
13 Dealing With Uncertainty	p. 349
13.1 Introduction	p. 349
13.2 Types and Sources of Uncertainty	p. 350
13.3 Methods for Evaluating Uncertainty	p. 352
13.4 Managing Uncertainty	p. 363
Further Reading and Problems	p. 366
14 Contaminant Transport Modeling: Case Studies	p. 367
14.1 Modeling Contaminant Migration from a Landfill at the Borden Site in Canada	p. 367
14.2 Evaluating Remedial Alternatives at a Superfund Site in New Jersey	p. 392
14.3 Assessing Aquifer Susceptibility to Contamination at an Agricultural Field in Wisconsin	p. 413
14.4 Application of the Dual-Domain Mass Transfer Approach to the MADE Site in Mississippi	p. 427
Part 3 Advanced Topics	p. 443
15 Simulation of Density-Dependent Flow and Transport	p. 445
15.1 Introduction	p. 445
15.2 The Flow Equation for Variable-Density Conditions	p. 447
15.3 The Relationship between Solute Concentration and Water Density	p. 453
15.4 The Solute Transport Equation	p. 453
15.5 General Solution Sequence	p. 455
15.6 Sharp Interface Approach	p. 458
15.7 General Variable-Density Codes	p. 459
15.8 A Case Study: Seawater Intrusion Modeling	p. 460
Further Reading and Problems	p. 471
16 Simulation of Flow and Transport in the Vadose Zone	p. 473
16.1 Introduction	p. 473
16.2 Basic Concepts of Vadose Zone Hydrology	p. 474
16.3 Flow Equation for Partially Saturated Conditions	p. 478
16.4 Solute Transport under Partial Saturation	p. 482
16.5 Extension to the Air Phase	p. 485
16.6 General Variably Saturated Codes	p. 488
16.7 An Illustrative Example	p. 489
Further Reading and Problems	p. 493
17 Optimal Management of Groundwater Quality	p. 494
17.1 Introduction	p. 494
17.2 The Simulation-Optimization Approach	p. 495
17.3 Optimization Techniques	p. 498
17.4 Optimal Management Examples	p. 513
Further Reading and Problems	p. 528
Appendix A Darcy's Law and the Variable-Density Flow Equation	p. 529
A.1 Darcy's Law	p. 529
A.2 The Variable-Density Flow Equation	p. 534
Appendix B Application of Stream Functions to Groundwater Flows	p. 541
B.1 Introduction	p. 541
B.2 Basic Concepts of Stream Functions	p. 541
B.3 Analytical Solutions	p. 545
B.4 Numerical Solutions	p. 550
B.4.1 Governing Equation	p. 550
B.4.2 Boundary Conditions	p. 551
B.4.3 Sinks or Sources	p. 552
B.4.4 Examples	p. 553
B.5 Stream functions in Three-Dimensional Flows	p. 554
B.6 Summary	p. 556
Acknowledgement	p. 556
Appendix C Information on Groundwater Modeling Software	p. 557
C.1 How to Obtain and Use the Companion Software	p. 557
C.2 Groundwater Modeling Links	p. 558
References	p. 559
Index	p. 613

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