This book explains how to use the compartment approach to estimate the distribution of chemical contaminants in environmental media in time and space. This powerful numerical technique enables readers to easily develop the equations that describe complex environmental problems by assembling the equations out of compartmental building blocks. The book offers a user-friendly guide to compartment modeling. It also includes the Generic Environmental Model (GEM) software package, which implements the techniques described. Written to be accessible to beginning environmental modelers, the book is a valuable reference for experienced modelers as well.…mehr
This book explains how to use the compartment approach to estimate the distribution of chemical contaminants in environmental media in time and space. This powerful numerical technique enables readers to easily develop the equations that describe complex environmental problems by assembling the equations out of compartmental building blocks. The book offers a user-friendly guide to compartment modeling. It also includes the Generic Environmental Model (GEM) software package, which implements the techniques described. Written to be accessible to beginning environmental modelers, the book is a valuable reference for experienced modelers as well.
Keith W. Little, Ph.D., P.E., is a consulting engineer specializing in the development and application of mathematical modeling and systems analysis methods to environmental engineering and water resources problems. Dr. Little earned a Ph.D. from the University of North Carolina at Chapel Hill where, in 1985, he was awarded the Bernard Greenberg Award for Excellence in Doctoral Research. This research was the genesis of the GEM software used to illustrate the concepts in this book. Since then, the GEM software has evolved in functionality and application and has been used to support risk assessment-based decision making at the U.S. Environmental Protection Agency (EPA). Dr. Little has enjoyed a 30-year career in environmental engineering and research, including 15 years as a research environmental engineer at RTI International, where he led the environmental modeling group. He has authored numerous technical reports and articles for peer-reviewed journals. He has also been active in various professional organizations and was president of the Colorado section of the American Water Resources Association in 1995. He is currently an independent consultant in Raleigh, North Carolina.
Inhaltsangabe
Introduction. GEM User's Guide. Compartment Approach, Transport Mechanisms, and Boundary Conditions. Source and Sink Terms. Solution Techniques for Steady-State Problems. Solution Techniques for Dynamic Problems. Appendix: Introduction to Matrices and Matrix Operations. Index.
Introduction. GEM User's Guide. Compartment Approach, Transport Mechanisms, and Boundary Conditions. Source and Sink Terms. Solution Techniques for Steady-State Problems. Solution Techniques for Dynamic Problems. Appendix: Introduction to Matrices and Matrix Operations. Index.
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