Author: Stephen D. Preston
Publisher:
ISBN:
Category : Nitrates
Languages : en
Pages : 12

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Book Description

Author:
Publisher:
ISBN:
Category : Hydrology
Languages : en
Pages : 174

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Book Description

Author:
Publisher: DIANE Publishing
ISBN: 142898397X
Category : Water
Languages : en
Pages : 50

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Book Description

Author: Scott W. Phillips
Publisher:
ISBN:
Category : Chesapeake Bay (Md. and Va.)
Languages : en
Pages : 44

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Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 576

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Book Description

Author: Sergi Sabater
Publisher: Springer
ISBN: 3642309399
Category : Science
Languages : en
Pages : 381

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Book Description
The Llobregat belongs to the most thoroughly studied rivers in Europe and is a paradigm of the confluence of human and natural disturbances in a single basin. Because of its location in a very densely populated region and its Mediterranean character, the Llobregat supports a mixture of irregular flow, water abstraction, excess nutrients, mining debris, and a wide array of pollutants. The aquatic organisms strive to survive in a dramatically changing river that passes through a succession of dams, weirs and channels. The long-term river monitoring as well as the research that has been carried out in the river for a long time have provided an extensive knowledge of these disturbances and their effects on the biological communities. This book highlights the available information, with emphasis on the hydrological, chemical and biological elements interspersed in the river. Experts in the field discuss the main nutrient patterns and pollutant occurrence and the responses of the biological quality elements as well as the river ecosystem to the overall natural and man-made influences.

Author:
Publisher:
ISBN:
Category : Sedimentation and deposition
Languages : en
Pages : 664

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Book Description

Author: Richard A. Valigura
Publisher: American Geophysical Union
ISBN: 0875902715
Category : Science
Languages : en
Pages : 260

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Book Description
Published by the American Geophysical Union as part of the Coastal and Estuarine Studies, Volume 57. Every time it rains, biologically active nitrogen compounds are transferred from the air to whatever surface lies underneath; what a farmer once called "the poor man's fertilizer." In fact, nitrogen containing compounds are transferred between surface and atmosphere even when it is not raining. That this atmospheric nitrogen deposition impacts on the environment is a scientifically accepted fact, established during the acid rain debates led by the National Acid Precipitation Assessment Program. The extent to which this deposition contributes to the decline of coastal waters around the United States due to over fertilization, however, is still under debate. In response to and as a continuation of this debate is the current work before you: the first attempt to consistently and comprehensively estimate the relative contribution of atmospherically delivered nitrogen to the total amount of nitrogen entering coastal estuaries around the United States.

Author: Richard B. Moore
Publisher:
ISBN:
Category : Earth sciences
Languages : en
Pages : 60

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Book Description

Author:
Publisher: Elsevier
ISBN: 0123821835
Category : Technology & Engineering
Languages : en
Pages : 1537

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Book Description
Comprehensive Water Quality and Purification, Four Volume Set provides a rich source of methods for analyzing water to assure its safety from natural and deliberate contaminants, including those that are added because of carelessness of human endeavors. Human development has great impact on water quality, and new contaminants are emerging every day. The issues of sampling for water analysis, regulatory considerations, and forensics in water quality and purity investigations are covered in detail. Microbial as well as chemical contaminations from inorganic compounds, radionuclides, volatile and semivolatile compounds, disinfectants, herbicides, and pharmaceuticals, including endocrine disruptors, are treated extensively. Researchers must be aware of all sources of contamination and know how to prescribe techniques for removing them from our water supply. Unlike other works published to date that concentrate on issues of water supply, water resource management, hydrology, and water use by industry, this work is more tightly focused on the monitoring and improvement of the quality of existing water supplies and the recovery of wastewater via new and standard separation techniques Using analytical chemistry methods, offers remediation advice on pollutants and contaminants in addition to providing the critical identification perspective The players in the global boom of water purification are numerous and varied. Having worked extensively in academia and industry, the Editor-in-Chief has been careful about constructing a work for a shared audience and cause