Global freshwater quality : a first assessment
著者
書誌事項
Global freshwater quality : a first assessment
Published on behalf of the World Health Organization and the United Nations Environment Programme by Blackwell Reference, 1990
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注記
At head of title: Global Environment Monitoring System
Includes index
内容説明・目次
内容説明
Commissioned by the United Nations Environment Programme and the World Health Organization to investigate all aspects of freshwater quality, this book is the first global assessment of its kind to the publisher's knowledge. At a time when the quality of the world's water is of great concern to research scientists, university teachers and public and private bodies involved in water management, this book investigates the principal areas of scientific and environmental interest. Most chapters, such as that on nitrates, present a statement of the issue covered, looking at natural cycles and comparative data on naturally occuring levels of nitrates in freshwater, before going on to examine sources of additional input, and the effect of increased levels on the water body itself and on human health. The report has been reviewed by the meeting of government designated experts in Geneva (September 1988) and their recommendations are incorporated, as are those of an independent team of international experts who have reviewed all chapters. Topics of particular importance include acid waters, organic micro-pollutants and pathogens.
目次
- Introduction
- water quality in perspective
- natural characteristics of water bodies
- anthroprogenic impacts on water quality
- pathogens in fresh water
- biodegradable organics and oxygen balance
- suspended matter in rivers and lakes
- eutrophication in lakes and reservoirs
- nitrates
- salts in surface and ground waters
- heavy metals
- organic micro-pollutants
- acidification
- river case study - Danube
- lake case study - Great Lakes
- reservoir case study - Lake Nasser
- ground water case study
- anthropogenic impacts study - lake sediments
- global water quality assessment
- conclusions and recommendations.
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