Includes bibliographical references and index.

Water Quality in the Context of Water Resources Management -- Basic Notions -- Mathematical Interpretation of Pollution Transport -- Fundamental Expressions -- Dispersion in Rivers and Streams -- The Biochemical Pollution -- The Most Frequent Pollutants in a River -- Temperature Dependence -- Application of the General Differential Equations -- The Steady-State Case -- Interpretation in Finite Terms -- Progress in Numerical Modelling: The Finite Difference Method -- The finite element method -- The finite volume method -- Multidimensional approach -- Thermal pollution -- Optimisation models - Model calibration and verification -- Water quality measurements and uncertainty -- Model reliability -- Final thoughts and future trends.

The main objective of the Water Framework Directive in the European countries is to achieve a "good status" of all the water bodies, in the integrated management of river basins. In order to assess the impact of improvement measures, water quality models are necessary. During the previous decades the progress in computer technology and computational methods has supported the development of advanced mathematical models for pollutant transport in rivers and streams. This book is intended to provide the fundamental knowledge needed for a deeper understanding of these models.

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