Author: National Research Council (U.S.). Panel on Radioactivity in the Marine EnvironmentPublisher:
ISBN:
Category : Radioactive pollution of the sea
Languages : en
Pages : 72
Book Description
Radioactivity in the Marine Environment
Author: National Research Council (U.S.). Panel on Radioactivity in the Marine EnvironmentPublisher:
ISBN:
Category : Radioactive pollution of the sea
Languages : en
Pages : 72
Book Description
Radioactivity in the Marine Environment
Author: National Research Council (U.S.). Panel on Radioactivity in the Marine EnvironmentPublisher: National Academies
ISBN:
Category : Science
Languages : en
Pages : 296
Book Description
Radioactivity in the Marine Environment
Author: Marine Radioactivity
Author: Publisher: Elsevier
ISBN: 0080496385
Category : Science
Languages : en
Pages : 310
Book Description
This book on Marine Radioactivity sets out to cover most of the aspects of marine radioactivity which have been the focus of scientific study in recent decades. The authors and their reviews divide into topic areas which have defined the field over its history. They cover the suite of natural radioisotopes which have been present in the oceans since their formation and quantitatively dominate the inventory of radioactivity in the oceans. Also addressed are the suite of artificial radionuclides introduced to the oceans as a consequence of the use of the atom for development of nuclear energy, nuclear weapons and various applications of nuclear science. The major source of these continues to derive from the global fallout of atmospheric tests of nuclear weapons in the 1950s and 1960s but also includes both planned and accidental releases of radioactivity from both civilian and military nuclear technology. The other division of the major study direction depends on whether the objective is to use the radionuclides as powerful tools to study oceanic processes, to describe and understand the ocean distribution of the various natural or artificial radionuclides or to assess the different radionuclides' impact on and pathways to man or marine organisms. The oceans cover 70% of the Earth's surface and thus contains a corresponding large share of the Earth's radioactivity. Marine Radioactivity covers topics of recent scientific study in this young field. It examines both natural radioactivity (radioactivity naturally present in oceans since their formation) and artificial radioactivity (radioactivity introduced by man and use of atomic and nuclear energy) with regard to possible effects on the global environment.
Modelling the Dispersion of Radionuclides in the Marine Environment
Author: Raúl PeriánezPublisher: Springer Science & Business Media
ISBN: 9783540248750
Category : Nature
Languages : en
Pages : 218
Book Description
This book is a practical guide to the subject of numerical modelling of radioactivity dispersion in the marine environment. Thus, the techniques and numerical procedures required are explained in detail, with the aim of enabling the reader to build a real mathematical model. The book covers basic concepts and techniques, such as solving the advection-diffusion equation in a simple 1D form, as well as the most recent developments (full 3D models for non-conservative radionuclides including chemical reactions and speciation). A chapter is dedicated to the basic hydrodynamic modelling that is always required to simulate the dispersion of tracers in the sea; Eulerian and Lagrangian modelling techniques are also described. A chapter describes sensitivity and uncertainty analysis, the final stage in modelling works. A review on some published radionuclide dispersion models is also included. The book also includes a CD-ROM with a Lagrangian dispersion model of the Strait of Gibraltar and several Fortran codes developed by the author which can be used to reproduce some of the cases described in the book.
Radionuclides in the Study of Marine Processes
Author: P.J. KershawPublisher: Springer Science & Business Media
ISBN: 9401136866
Category : Science
Languages : en
Pages : 402
Book Description
The Norwich Symposium, 'Radionuclides in the Study of Marine Proces ses', is a sequel to the very successful conference held at Cherbourg, France in June 1987. The international character of the meeting has been maintained with thirty-eight contributions, from seventeen countries, being accepted for oral presentation. For many years, the radioactive properties of the naturally occurring radionuclides have been used to determine their distributions in the marine environment and, more generally, to gain an understanding of the dynamic processes which control their behaviour in attaining these distributions. More recently the inputs from human activities of both natural and artificial (i.e. man-made) radionuclides have provided additional opportunities for the study of marine processes on local, regional and global scales. Because the sources of artificial radionuclides are often reasonably well defined in space and time, and because a wider range of elements is represented, new viewpoints for the study of processes have become available. Although it is outside the scope of this Symposium, it must be acknowledged that the radiological protection requirements for radioactive waste disposal prac tices to be based on a sound scientific understanding of radionuclide behaviour in the sea have also provided a very strong impetus for the studies.
Radioactivity in the Marine Environment
Author: National Research Council (United States)Publisher:
ISBN:
Category : Radioactive pollution of the sea
Languages : en
Pages :
Book Description
Radioactive Contamination of the Marine Environment
Author: International Atomic Energy AgencyPublisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 816
Book Description
Impacts of the Fukushima Nuclear Accident on Fish and Fishing Grounds
Author: Kaoru NakataPublisher: Springer
ISBN: 4431555374
Category : Science
Languages : en
Pages : 233
Book Description
This book presents the results from the Japanese Fisheries Research Agency’s 3-year intensive monitoring of radionuclides in a variety of fish, plankton, benthos, and their living environments after the Fukushima Daiichi Nuclear Power Plant (FNPP) accident in March 2011. The book reveals the dynamics of contamination processes in marine and freshwater fish, mediated by the contamination of water, sediments, and food organisms; it also clarifies the mechanisms by which large variations in the level of contamination occurs among individual fish. Most importantly, the book includes a large amount of original measurement data collected in situ and for the first time assesses diffusion of radiocesium across the Pacific using both in situ data and a numerical simulation model. Also introduced are several new approaches to evaluate the impact of the release of radionuclides, including the measurement of radiation emission from an otolith section to identify the main period of contamination in fish. The FNPP accident represents a rare instance where the environmental radioactivity level was elevated steeply through atmospheric fallout and direct discharge of radioactive water into the sea over a short period of time. Replete with precise scientific data, this book will serve as an important resource for research in fields such as fishery science, oceanography, ecology, and environmentology, and also as a solid basis for protecting fisheries from damage resulting from harmful rumors among the general public.
Worldwide Marine Radioactivity Studies (WOMARS)
Author: International Atomic Energy AgencyPublisher:
ISBN:
Category : Science
Languages : en
Pages : 230
Book Description
Summarises the results of a Coordinated Research Project carried out by the IAEA's Marine Environment Laboratory in Monaco. The results obtained confirm that the dominant source of anthropogenic radionuclides in the marine environment is global fallout.