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Sedimentary Processes: Quantification Using Radionuclides

Out of Print

Edited By: J Carroll and I Lerche

272 pages, Figs, tabs


Hardback | Dec 2003 | #142971 | ISBN: 0080443001
Out of Print Details

About this book

The advent of radionuclide methods in geochronology has revolutionized our understanding of modern sedimentary processes in aquatic systems. This book examines the principles of the method and its use as a quantitative tool in marine geology, with emphasis on the Pb-210 method. The assumptions and consequences of models and their behaviour are described providing the necessary background to assess the advantages and trade-offs involved when choosing a particular model for application. A number of relevant examples are included, demonstrating how dating models are useful for determining sources of contaminants and interpreting their influence on the environment.

W. Geibert ...the book is a recommendable reference for professionals engaged in modelling of radiotracers in sedimentary environments. Isotopes in Environmental and Health Studies D.E. Walling ...this book must be seen as major contribution to the field. ...It deserves to be widely read by those with an interest in using radionuclides as a tool to investigate sedimentation in freshwater and marine environments, and it will undoubtedly provide an invaluable source of guidance to both new and established workers in this important field. Applied Radiation and Isotopes


Preface. 1. Introduction. A. Non-radioactive dating methods. B. Stable isotopes and other indicators of relative age. C. Radioactive isotope age dating. D. Applications of isotope age dating. 2. Radiometric methods. A. Basic procedure. B. Advanced procedures. C. Synthetic tests and results. D. Method comparison. Appendix: Technical development of SIT method for unmixed sediments. 3. Single site studies. A. Lake sediments and 210Pb geochronology. B. Marine sediments and multi-isotope geochronology. C. Creel Bay and Main Bay, Devil's Lake, North Dakota. D. Discussion and conclusions. Appendix: Resolution and uncertainty for disentanglement procedures. 4. Multiple site studies. A. Amazon delta test case. B. 87Sr/86Sr sediment ages in stratigraphy studies. C. Eastern Arabian Sea. 5. Sediment mixing. A. Introduction. B. Basic model. C. Organism-specific models. D. Physical turbation. E. A sediment model with bioturbation. F. Applications and limitations. 6. Biological mixing coefficients. A. Simple linear adsorption. B. Diffusion. C. Microscale diffusion. D. Bulk diffusion. E. Near surficial rapid mixing. F. Partition coefficients effects. 7. Marine contaminant studies. A. Sources of polyaromatic hydrocarbons in the White Sea. B. Burial history of radioactive waste in the Kara Sea. C. Incorporation of uranium mill tailings into North Pond, Colorado. D. Organic carbon preservation in Lake Baikal sediments, Russia. 8. Concerning error estimates in age dating of stage boundaries. A. Introduction. B. Minimum error interpolation. C. Combined absolute and stratigraphic radiometric errors. D. General age/stage interpolations. E. A corollary. 9. Epilogue. References. Subject Index.

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