Title Environmental applications of geochemical modeling / Chen Zhu, Greg Anderson

Published Cambridge ; New York : Cambridge University Press, 2002

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Description 1 online resource (xiv, 284 pages) : illustrations, maps Contents Machine generated contents note: 1. Introduction -- 1.1. Environmental Problems and the Need for Geochemical Modeling -- 1.2. Regulatory Framework -- 1.3. Role of Geochemical Modeling -- 1.4. Current Practice -- 1.5. Overview -- 2. Model Concepts -- 2.1. Model Definitions -- 2.2. Holistic View of Geochemical Models -- 2.3. Types of Geochemical Models -- 2.4. Model Verification and Validation -- 2.5. Model Usefulness and Limitations -- 3. Thermodynamic Background -- 3.1. Systems and Equilibrium -- 3.2. Chemical Reactions -- 3.3. Gibbs Energy -- 3.4. Activity, Fugacity, and Chemical Potential -- 3.5. Equilibrium Constant -- 3.6. Components and Species -- 3.7. Phase Rule -- 3.8. Redox -- 3.9. Alkalinity -- 3.10. Acidity -- 3.11. Local Equilibrium Assumption -- 3.12. Summary -- 4. Computer Programs for Geochemical Modeling -- 4.1. Codes, Databases, and Models -- 4.2. Review of Popular Computer Programs -- 4.3. Databases -- 4.4. Chemical Concentration Units -- 4.5. Examples of Input/Output -- 5. Preparation and Construction of a Geochemical Model -- 5.1. Introduction -- 5.2. Establish the Goals -- 5.3. Learn the Groundwater Flow System -- 5.4. Collection of Field and Laboratory Data -- 5.5. Decide What Types of Model to Construct -- 5.6. Gather Chemical Properties -- 5.7. Select a Computer Code -- 5.8. Set Up a Model -- 5.9. Interpretation of Modeling Results -- 5.10. Reporting and Presentation of Modeling Results -- 6. Speciation and Solubility Modeling -- 6.1. Introduction -- 6.2. Uranium Mill Tailings Impoundment -- 6.3. Applications to Bioavailability and Risk Assessment Studies -- 6.4. Interpretations of Column Experiments -- 7. Modeling Surface Adsorption -- 7.1. Introduction -- 7.2 Summary Geochemical modeling is a powerful tool for characterizing environmental site contaminations and predicting environmental impacts. This book discusses the application of geochemical models to environmental practice and studies, through the use of numerous case studies of real-world environmental problems, such as acid mine drainage, pit lake chemistry, nuclear waste disposal, and landfill leachates. In each example the authors clearly define the environmental threat in question; explain how geochemical modeling may help solve the problem posed; and advise the reader how to prepare input files for geochemical modeling codes and interpret the results in terms of meeting regulatory requirements. Support material for the book, including program codes, input files and exercise problems, is available on the Internet. Environmental Applications of Geochemical Modeling will serve as an advanced textbook for courses in environmental geochemistry, and as an indispensable reference for professional hydrogeologists, geochemists, engineers, and regulators, working within the environmental spheres Bibliography Includes bibliographical references (pages 261-279) and index Notes English Print version record Subject Environmental geochemistry -- Mathematical models Geochemical modeling. SCIENCE -- Earth Sciences -- Geography. SCIENCE -- Earth Sciences -- Geology. Geochemical modeling Umweltgeochemie Mathematisches Modell Form Electronic book Author Anderson, G. M. (Gregor Munro), 1932- ISBN 0511020023 9780511020025 052180907X 9780521809078 0521005779 9780521005777 0511157282 9780511157288 9780511606274 0511606273

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