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Transport Of Radioisotopes In Lakes

Transport Of Radioisotopes In Lakes
Author: Gene E. Likens
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Transport of Radioisotopes in Lakes
Language: en
Pages: 304
Authors: Gene E. Likens
Categories: Lake sediments
Type: BOOK - Published: 1962 - Publisher:
Books about Transport of Radioisotopes in Lakes
Radiological Assessment
Language: en
Pages: 300
Authors: National Council on Radiation Protection and Measurements
Categories: Environmental health
Type: BOOK - Published: 1984 - Publisher: National Council on Radiation
Books about Radiological Assessment
Nuclear Science Abstracts
Language: en
Pages:
Authors: National Council on Radiation Protection and Measurements
Categories: Nuclear energy
Type: BOOK - Published: 1975 - Publisher:
Books about Nuclear Science Abstracts
Radioactive Fallout
Language: en
Pages: 262
Authors: National Council on Radiation Protection and Measurements
Categories: Radioactive fallout
Type: BOOK - Published: 1965 - Publisher:
Books about Radioactive Fallout
Large Lakes
Language: en
Pages: 691
Authors: Max M. Tilzer, Colette Serruya
Categories: Science
Type: BOOK - Published: 2012-12-06 - Publisher: Springer Science & Business Media
The vast majority of the world's lakes are small in size and short lived in geological terms. Only 253 of the thousands of lakes on this planet have surface areas larger than 500 square kilometers. At first sight, this statistic would seem to indicate that large lakes are relatively unimportant on a global scale; in fact, however, large lakes contain the bulk of the liquid surface freshwater of the earth. Just Lake Baikal and the Laurentian Great Lakes alone contain more than 38% of the world's total liquid freshwater. Thus, the large lakes of the world accentuate an important feature of the earth's freshwater reserves-its extremely irregular distribution. The energy crisis of the 1970s and 1980s made us aware of the fact that we live on a spaceship with finite, that is, exhaustible resources. On the other hand, the energy crisis led to an overemphasis on all the issues concerning energy supply and all the problems connected with producing new energy. The energy crisis also led us to ignore strong evidence suggesting that water of appropriate quality to be used as a resouce will be used up more quickly than energy will. Although in principle water is a "renewable resource,"
Assessment of the Sources and Fates of Radioisotopes Delivered to the Kara Sea and Adjacent Arctic
Language: en
Pages: 6
Authors: Max M. Tilzer, Colette Serruya
Categories: Science
Type: BOOK - Published: 1997 - Publisher:
This project originated in an attempt to characterize the history of transport of radioactive contaminants in the Ob River, the fate of these contaminants within the river system, and their transport down the river to the estuary and Arctic Ocean. Our focus has been on the particle reactive contaminants Cs137, Np237, Pu238, Pu239, Pu240 and Pb210. Expeditions were carried out to collect sediment cores from small lakes common on the Ob flood plain. The results may be summarized briefly as follows: (1) the sediments of the "sor" lakes of the flood plain do preserve records of the depositional history of the radioactive contaminants studied that extend to the prenuclear age. (2) All of the delta cores are similar in that they exhibit a strong maximum in both Pu isotopes and Cs137 at depth in the cores. (3) Based on Pu239/Cs240 and Pu238/Pu239,240 ratios, the chronology of the cores, and similarities between the Ob cores and one from the Taz River, a river with no nuclear facilities, we concluded that the Pu and Cs137 were derived from global fallout. (4) Uncertainties in our calculations would permit up to 20% of these contaminants to be derived from non-fallout sources.
Physics and Chemistry of Lakes
Language: en
Pages: 334
Authors: Abraham Lerman, Dieter M. Imboden, Joel R. Gat
Categories: Science
Type: BOOK - Published: 2012-12-06 - Publisher: Springer Science & Business Media
A lake, as a body of water, is in continuous interaction with the rocks and soils in its drainage basin, the atmosphere, and surface and groundwaters. Human industrial and agricultural activities introduce new inputs and processes into lake systems. This volume is a selection of ten contributions dealing with diverse aspects of lake systems, including such subjects as the geological controls of lake basins and their histories, mixing and circulation patterns in lakes, gaseous exchange between the water and atmosphere, and human input to lakes through atmospheric precipitation and surficial runoff. This work was written with a dual goal in mind: to serve as a textbook and to provide professionals with in-depth expositions and discussions of the more important aspects of lake systems.
Selected Water Resources Abstracts
Language: en
Pages:
Authors: Abraham Lerman, Dieter M. Imboden, Joel R. Gat
Categories: Hydrology
Type: BOOK - Published: 1977 - Publisher:
Books about Selected Water Resources Abstracts
Nordic Radioecology
Language: en
Pages: 480
Authors: H. Dahlgaard
Categories: Science
Type: BOOK - Published: 1994-10-11 - Publisher: Elsevier
The present treatise is the final milestone in the radioecology programme, RAD, carried out from 1990 to 1993 under the Nordic Committee for Nuclear Safety Research, NKS. The book, one of the few in its field to have achieved international publication, is centred on the contamination of Nordic environments with radionuclides from the Chernobyl accident. It contains 30 contributions mainly describing the flow of radiocaesium through aquatic, agricultural, forest, and alpine ecosystems, as well as quality assurance and doses to man. A series of original papers on various aspects of Nordic post-Chernobyl radioecology by leading Nordic scientists is also included, along with terms & units definitions, indexes, and an executive summary. The volume will be invaluable to all scientists and professionals in radioecology, radiation protection, trace element cycling and environmental contamination. It will also be relevant to general evironmental management/human contamination/civil defence officials.
Numerical Simulation of Density Dependent Contaminant Transport in Ground Water Near Lake Karachai, Russia
Language: en
Pages: 384
Authors: Sharman Lee Carpenter
Categories: Groundwater
Type: BOOK - Published: 1997 - Publisher:
Books about Numerical Simulation of Density Dependent Contaminant Transport in Ground Water Near Lake Karachai, Russia