Environmental Fate and Transport Analysis with Compartment Modeling

Keith W. Little

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June 25, 2012 by CRC Press
Professional - 244 Pages - 63 B/W Illustrations
ISBN 9781439887967 - CAT# K14060

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Features

  • Explains complex numerical modeling in a way that is rigorous, yet accessible to beginning modelers and non-mathematicians
  • Uses the compartment numerical approach, which is the most flexible and easy for users to understand and implement
  • Includes environmental compartment modeling software (the GEM software) that can be used to build sophisticated numerical models
  • Presents algorithms for solving linear and nonlinear systems of algebraic equations and systems of linear or nonlinear partial differential equations
  • Brings together modeling techniques and theoretical derivations in a single volume for experienced modelers
  • Discusses many modeling issues—such as numerical dispersion, instabilities, differences in boundary condition assumptions, and differences in porous media vs. surface water methods—not often found in a single reference
  • Includes more than 60 illustrations and numerous examples to aid in reader comprehension

Summary

Environmental Fate and Transport Analysis with Compartment Modeling explains how to use the powerful, highly flexible, and intuitive compartment approach to estimate the distribution of chemical contaminants in environmental media in time and space.

Add this Easy-to-Use Approach to Your Environmental Modeling Toolbox

This numerical technique enables readers to easily develop the equations that describe complex environmental problems by assembling the equations out of compartmental building blocks. The compartments may describe spatial subunits of single- or multi-environmental media, and the way one hooks them together implicitly provides the dimensionality of the problem. With this approach, assembling the equations to describe chemical fate and transport in a three-dimensional, multimedia system is fundamentally no more challenging than a one-dimensional, single-medium problem.

Go Beyond "Black Box" Modeling with the Flexible GEM Software

The book includes access to the Generic Environmental Model (GEM), a new software package developed by the author. This software implements the compartment approach based on user-prepared input files and solves the resulting mathematical equations. It allows readers to solve linear, nonlinear, and steady-state problems and offers four methods for solving dynamic problems. Each solution technique is reviewed, along with the error properties and the criteria for avoiding or minimizing numerical errors. The book also describes solution techniques and the underlying mathematical theory for solving nonlinear systems.

Compartment Modeling from the Ground Up, Made Accessible to Non-Mathematicians

A user-friendly introduction to environmental compartment modeling for the beginning modeler, this is also a useful resource for the experienced modeler. It combines a reference on compartment modeling with a user’s guide to the GEM. Throughout, the GEM is used to illustrate the theory with numerous examples, while the theoretical discussions illuminate the GEM’s functionality.