Proceedings of the NEA Seminar on Marine Radioecology PDF Download
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Author: Seminar on Marine Radioecology
Publisher:
ISBN:
Category : Marine radioecology
Languages : en
Pages : 424
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Book Description
Author: Seminar on Marine Radioecology
Publisher:
ISBN:
Category : Marine radioecology
Languages : en
Pages : 424
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Book Description
Author: OECD Nuclear Energy Agency
Publisher: Nuclear Energy Agency, Organisation for Economic Co-operation and Development ; [Washington D.C. : sold by OECD Publications and Information Center]
ISBN:
Category : Marine radioecology
Languages : en
Pages : 432
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Book Description
Author: W.K. Lauenroth
Publisher: Elsevier
ISBN: 0444597654
Category : Science
Languages : en
Pages : 995
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Book Description
The International Society for Ecological Modelling (ISEM) sponsors conferences, workshops and training courses with the aim of advancing the development of ecological and environmental modelling. The 3rd International Conference on the state-of-the-art in ecological modelling was sponsored by the ISEM in cooperation with the National Park Service Water Resources Laboratory and hosted by the Natural Resource Ecology Laboratory at Colorado State University. Its theme was the application of ecological modelling to environmental management and this book contains the full texts of the three invited papers presented in the five general sessions, plus the final summaries and syntheses of the topics covered during those sessions.
Author: W. R. Parker
Publisher: Springer Science & Business Media
ISBN: 1468447637
Category : Science
Languages : en
Pages : 240
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Book Description
In the transfer of chemical species through the aquatic environment the association with fine sediment particles is often of crucial importance. The n~ture, permanence and kinetics of this association is, in many cases, unknown yet it is central to any effort concerned with predicting the pathways of pollutant transfer and the fluxes along them. It is often unclear to precisely what surface, if any, a pollutant is attached. The transfer of species between surfaces and solution may be chemically or biochemically controlled. These processes may take place within a host framework which has a time and space dependent structure. The natural straining of this framework resulting from physical and chemical processes moves porewater and the dissolved species in it. Thus, to adequately predict the natural transfer of species within a cohesive sediment system the physical, biochemical and chemical processes must be dynamically coupled. This informal colloquium examined topics relevant to the associ ation of pollutant and sediment. These included the mineral particle surfaces and the surrounding ionic associations, methods of describing the particles and the physical, chemical, biochemical and biological processes operating in association with fine sediment substrates. The physical processes of sediment transport were deliberately excluded.
Author:
Publisher:
ISBN:
Category : Radioactive waste disposal under the seabed
Languages : en
Pages : 266
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Book Description
Author: Jean-Claude Amiard
Publisher: John Wiley & Sons
ISBN: 1786307790
Category : Nature
Languages : en
Pages : 340
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Book Description
The marine environment, in addition to a not insignificant background of “natural” radioactivity, has continued to receive inputs of radionuclides directly or indirectly through atomic fallout, discharges from the nuclear industry or from nuclear accidents. After their introduction, the fate of these radionuclides is complex with modifications of physicochemical forms, dispersion in marine water masses and adsorption onto sedimentary particles. Marine organisms then bioaccumulate these radionuclides to a greater or lesser extent, dispersing them via their burrowing activities, horizontal and vertical migrations or through food webs. All of these phenomena lead to very variable radioactive contamination, depending on location and the nature of the marine environments concerned, and consequently, to very different doses of irradiation to marine organisms. The harmful effects of ionizing radiation on living marine organisms are felt at varying levels of biological organization from the molecule to the ecosystem, passing through the cell, the organ, the individual and the population. In the end, the radioactive risk for marine organisms can decline according to several situations, which can be normal, programmed or accidental.
Author:
Publisher:
ISBN:
Category : Power resources
Languages : en
Pages : 426
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Book Description
Author: G. Desmet
Publisher: Springer Science & Business Media
ISBN: 9400941897
Category : Science
Languages : en
Pages : 416
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Book Description
Since the discovery of technetium (in 1937, by Perrier and Segre), technetium-99 and technetium-99m have become most familiar in the specialised literature, the behaviour of the former being of concern regarding its health impact, the latter having been used intensively in medical tests for many years. The knowledge of the characteristics and behaviour of this element in nature is currently increasing exponentially. It has become clear, however, that there is still a serious shortage of information needed to assess properly its burden and impact on man and his environment. Technetium may indeed be released from nuclear installations or as a waste product from medical applications. It is generally considered to be highly mobile as the anion TcOi, but it is also suspected to be readily reduced in soils and metabolised in living beings into lower oxidation states. The seminar was planned to analyse thoroughly the experimental results obtained up to now and to make recommendations of specific issues requiring further research. This book presents the papers of the different sessions in the order of presentation, and the conclusions drawn by three discussion groups which dealt separately with: problems of sources and distribution of man-made technetium and its radiological consequences; the chemical behaviour of technetium in different ecosystems; biochemical reactions and binding with macromolecules in various life systems. vi Preface The editors, together with the Programme Committee of the Seminar, wish to express their gratitude to the chairmen of the different sessions for their summary of the group discussions.
Author: Council of Europe/Conseil de L'Europe
Publisher: Martinus Nijhoff Publishers
ISBN: 9789024713103
Category : Political Science
Languages : en
Pages : 712
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Book Description
This volume of the "Yearbook of the European Convention on Human Rights, prepared by the Directorate of Human Rights of the Council of Europe, relates to 2003. Part one contains information on the Convention. Part two deals with the control mechanism of the European Convention on Human Rights: selected judgments of the European Court of Human Rights and human rights (DH) resolutions of the Committee of Ministers; part three groups together the other work of the Council of Europe in the field of human rights, and includes the work of the Committee of Ministers, the Parliamentary Assembly and the Directorate General of Human Rights; part four is devoted to information on national legislation and extracts from national judicial decisions concerning rights protected by the Convention. Appendix A contains a bibliography on the Convention, and Appendix B the biographies of the new judges elected to the European Court of Human Rights.
Author:
Publisher: Elsevier
ISBN: 9780080564883
Category : Technology & Engineering
Languages : en
Pages : 440
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Book Description
Major advancement in the U-Th measurement techniques since the 1990's have resulted in new opportunities for the use of these nuclides to probe into aquatic processes in greater detail. U-Th Series Nuclides in Aquatic Systems provides state-of-the-art reviews on the applications of U-Th series nuclides to "time" and "tag" in a variety of processes occurring in aquatic systems. State of art reviews on the applications of U-Th Series nuclides to 'time'and 'tag' key processes occurring in aquatic systems. Self-contained, each chapter presents nuclide source functions, processes regulating their distributions and models used to describe them Emphasizes current thinking in the field and future directions
