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A comprehensive description of the analysis of water pollution that presents a careful balance of the biological, hydrological, chemical and mathematical concepts involved in the evaluation of stream quality.Computation techniques for deoxygenation and reaeration rates are described and analyzed, as are all factors affecting oxygen concentration to give an overall oxygen sag curve in a stream. Topics included in this text are chemical water qualities for different stream uses, measurement of pollution index, stream management, and estuary analysis.
The environmental nightmare of monumental oil spills in the Persian Gulf make publication of this new edition especially timely. Numerous revisions by this well-known consultant and author on water pollution bring this popular title in line with current trends and needs relevant to pollution of streams, lakes, estuaries, and oceans. State stream water quality standards have been updated, with the latest legislation and EPA standards clearly explained. New information has been added on beach pollution, as well as viruses and their occurrence and passage through polluted water. Expanded coverage of stream pollution models such as the automated Calibration Knowledge Engineering System (KES) helps users assess water quality more efficiently. Ready-to-use mathematical and computer models, cleaning and disposal methods, and other guidelines offer additional on-the-job help.
After air, water is the most crucial resource for human survival. To achieve water sustainability, we will have to deal with its scarcity and quality, and find ways to reclaim it from various sources. Chemistry and Water: The Science Behind Sustaining the World's Most Crucial Resource applies contemporary and sophisticated separation science and chromatographic methods to address the pressing worldwide concerns of potable water for drinking and safe water for irrigation to raise food for communities around the world. Edited and authored by world-leading analytical chemists, the book presents the latest research and solutions on topics including water quality and pollution, water treatment technologies and practices, watershed management, water quality and food production, challenges to achieving sustainable water supplies, water reclamation techniques, and wastewater reuse. - Explores the role water plays to assure our survival and maintain life - Provides valuable information from world leaders in chemistry and water research - Addresses water challenges and solutions globally to ensure sustainability
Stream Ecosystems in a Changing Environment synthesizes the current understanding of stream ecosystem ecology, emphasizing nutrient cycling and carbon dynamics, and providing a forward-looking perspective regarding the response of stream ecosystems to environmental change. Each chapter includes a section focusing on anticipated and ongoing dynamics in stream ecosystems in a changing environment, along with hypotheses regarding controls on stream ecosystem functioning. The book, with its innovative sections, provides a bridge between papers published in peer-reviewed scientific journals and the findings of researchers in new areas of study. - Presents a forward-looking perspective regarding the response of stream ecosystems to environmental change - Provides a synthesis of the latest findings on stream ecosystems ecology in one concise volume - Includes thought exercises and discussion activities throughout, providing valuable tools for learning - Offers conceptual models and hypotheses to stimulate conversation and advance research
A primer on modeling concepts and applications that is specifically geared toward the environmental field. Sections on modeling terminology, the uses of models, the model-building process, and the interpretation of output provide the foundation for detailed applications. After an introduction to the basics of dynamic modeling, the book leads students through an analysis of several environmental problems, including surface-water pollution, matter-cycling disruptions, and global warming. The scientific and technical context is provided for each problem, and the methods for analyzing and designing appropriate modeling approaches is provided. While the mathematical content does not exceed the level of a first-semester calculus course, the book gives students all of the background, examples, and practice exercises needed both to use and understand environmental modeling. It is suitable for upper-level undergraduate and beginning-graduate level environmental professionals seeking an introduction to modeling in their field.
This introduction to hydrology is essentially practical, emphasising the application of hydrological knowledge to the solution of engineering problems.