Modeling Chemical Transport in Soils Natural and Applied Contaminants

About this book

Modeling Chemical Transport in Soils: Natural and Applied Contaminants provides a comprehensive discussion of mathematical models used to anticipate and predict the consequences and fate of natural and applied chemicals. The book evaluates the strengths, weaknesses, and possibilities for application of numerous models used throughout the world. It examines the theoretical support and need for experimental calibration for each model. The book also reviews world literature to discuss such topics as the movement of sorbed chemicals by soil erosion, the movement of reactive and nonreactive chemicals in the subsurface and groundwater, and salt transport in the landscape. Modeling Chemical Transport in Soils: Natural and Applied Contaminants is an important volume for environmental scientists, agricultural engineers, regulatory personnel, farm managers, consultants, and the chemical industry.

Contents

AN INTRODUCTION TO NONPOINT POLLUTION MODELING (H. Ghadiri and C.W. Rose). Polluting Agents. Model History and Classification. Characteristics Important in Choosing Models. SORBED CHEMICAL TRANSPORT MODELING (H. Ghadiri and C.W. Rose). Hydrological Modeling. Modeling Soil Erosion, Sediment Transport and Deposition. Erosion-Productivity Models. Modeling Sorbed Chemical Transport. Comparing Some of the More Widely Used Models. Modeling Sorbed Chemical Transport. Comparing Some of the More Widely Used Models. MODELING CONTAMINANT TRANSPORT IN SUBSURFACE: THEORY AND COMPUTER PROGRAM (Andrew Barry). Reactions in Aqueous Solutions: Determination of Speciation at Equilibrium. Solute Adsorption and Exchange. Continuum Model of Multicomponent, Aqueous Phase Solute Transport. Geochemical Models. Multicomponent Transport and Reaction Models. Semi-Analytical Transport Models. MODELING SALT TRANSPORT IN THE LANDSCAPE (Peter Thorburn, Roger Shaw, and Ian Gordon). One Dimensional Non-Steady M ovement of Solutes in the Vadose Zone. One Dimensional Steady State Salt Transport in the Vadose Zone. The Use of Stream Salt Mass Balance in Catchment Management.

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