Radionuclides in the Environment, Clemens Walther; Dharmendra K. Gupta

Автор: Marina Marinova; Vladimir P. Perelygin; Peter Vate
Название: Radionuclides and Heavy Metals in Environment
ISBN: 1402000596 ISBN-13(EAN): 9781402000591
Издательство: Springer
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Описание: Proceedings of the NATO Advanced Research Workshop on Monitoring and Man-Made Radionuclides and Heavy Metals Waste in Environment, Dubna, Russia, 3-6 October 2000

Автор: Marina Marinova; Vladimir P. Perelygin; Peter Vate
Название: Radionuclides and Heavy Metals in Environment
ISBN: 1402000588 ISBN-13(EAN): 9781402000584
Издательство: Springer
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Описание: The environment contains an abundance of man-made and natural radionuclides, as well as polluting heavy metals. Their accumulation and the inevitable adverse impact on human health is a matter for serious international concern. This book reviews such modern environmental problems.

Автор: Clemens Walther; Dharmendra K. Gupta
Название: Radionuclides in the Environment
ISBN: 3319221701 ISBN-13(EAN): 9783319221700
Издательство: Springer
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Описание: This book provides extensive and comprehensive information to researchers and academicians who are interested in radionuclide contamination, its sources and environmental impact. It is also useful for graduate and undergraduate students specializing in radioactive-waste disposal and its impact on natural as well as manmade environments. A number of sites are affected by large legacies of waste from the mining and processing of radioactive minerals. Over recent decades, several hundred radioactive isotopes (radioisotopes) of natural elements have been produced artificially, including 90Sr, 137Cs and 131I. Several other anthropogenic radioactive elements have also been produced in large quantities, for example technetium, neptunium, plutonium and americium, although plutonium does occur naturally in trace amounts in uranium ores. The deposition of radionuclides on vegetation and soil, as well as the uptake from polluted aquifers (root uptake or irrigation) are the initial point for their transfer into the terrestrial environment and into food chains. There are two principal deposition processes for the removal of pollutants from the atmosphere: dry deposition is the direct transfer through absorption of gases and particles by natural surfaces, such as vegetation, whereas showery or wet deposition is the transport of a substance from the atmosphere to the ground by snow, hail or rain. Once deposited on any vegetation, radionuclides are removed from plants by the airstre am and rain, either through percolation or by cuticular scratch. The increase in biomass during plant growth does not cause a loss of activity, but it does lead to a decrease in activity concentration due to effective dilution. There is also systemic transport (translocation) of radionuclides within the plant subsequent to foliar uptake, leading the transfer of chemical components to other parts of the plant that have not been contaminated directly.

Автор: J?rg Beer; Ken McCracken; Prof. Dr. International
Название: Cosmogenic Radionuclides
ISBN: 3642431607 ISBN-13(EAN): 9783642431609
Издательство: Springer
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Описание: This book shows how cosmogenic radionuclides can trace and reconstruct the history of a variety of processes. Demonstrates the strength of analytic tools based on cosmogenic radionuclides, and their potential use in solving present and future problems.