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Author : John B. Herbich
Publisher :
ISBN 13 :
Total Pages : 141 pages
Book Rating : 4.:/5 (231 download)
Download or read book Literature Review and Technical Evaluation of Sediment Resuspension During Dredging written by John B. Herbich and published by . This book was released on 1983 with total page 141 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 153 pages
Book Rating : 4.:/5 (227 download)
Download or read book Improvement of Operations and Maintenance Techniques Program. Literature Review and Technical Evaluation of Sediment Resuspension During Dredging written by and published by . This book was released on 1991 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Maintenance of navigable waterways is essential for continuous traffic flow. The sediments in the waterways have, in many instances, become contaminated resulting in a concern that dredging and disposal of the dredged materials may adversely affect water quality and aquatic animals. Most dredges in the United States are old and not designed to handle highly contaminated sediments. This study is a literature review and technical evaluation of conventional and unconventional dredges, their dredging techniques, factors influencing the sediment resuspension characteristics associated with such dredges, the nature of improvements that have been made in such dredges to reduce their environmental impact, and further research needed in this field. This literature review indicated that all conventional dredges generate turbidity in the vicinity of the dredge to a degree depending on the type of dredge, the nature of sediment, and the dredging and disposal method adopted. The turbidity is usually of a short duration, and normal conditions are quickly restored. The sediment resuspended by dredging may release into the water column some contaminants that affect the environment. Measures such as silt curtains are only partially successful in that these do not eliminate the impact on the benthic community along the bottom. Some unconventional dredging systems appear to be successful in reducing sediment resuspension but are unable to handle large quantities of materials.
Author : John B. Herbich
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (318 download)
Download or read book Literature Review and Technical Evaluation of Sediment Resuspension During Dredging written by John B. Herbich and published by . This book was released on 1991 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309134102
Total Pages : 316 pages
Book Rating : 4.3/5 (91 download)
Download or read book Sediment Dredging at Superfund Megasites written by National Research Council and published by National Academies Press. This book was released on 2007-10-30 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some of the nation's estuaries, lakes and other water bodies contain contaminated sediments that can adversely affect fish and wildlife and may then find their way into people's diets. Dredging is one of the few options available for attempting to clean up contaminated sediments, but it can uncover and re-suspend buried contaminants, creating additional exposures for wildlife and people. At the request of Congress, EPA asked the National Research Council (NRC) to evaluate dredging as a cleanup technique. The book finds that, based on a review of available evidence, dredging's ability to decrease environmental and health risks is still an open question. Analysis of pre-dredging and post-dredging at about 20 sites found a wide range of outcomes in terms of surface sediment concentrations of contaminants: some sites showed increases, some no change, and some decreases in concentrations. Evaluating the potential long-term benefits of dredging will require that the U.S. Environmental Protection Agency step up monitoring activities before, during and after individual cleanups to determine whether it is working there and what combinations of techniques are most effective.
Author : K. R. Demars
Publisher : ASTM International
ISBN 13 : 0803120281
Total Pages : 334 pages
Book Rating : 4.8/5 (31 download)
Download or read book Dredging, Remediation, and Containment of Contaminated Sediments written by K. R. Demars and published by ASTM International. This book was released on 1995 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the June 1994 title symposium held in Montreal, Quebec, Canada, and sponsored by the ASTM Committee on Soil and Rock. Papers identify and describe tests, methods, procedures, and materials used in support of dredging, treatment, and containment of contaminated sediments, and focus on
Author :
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (318 download)
Download or read book Field Studies of Sediment Resuspension Characteristics of Selected Dredges written by and published by . This book was released on 1989 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309040957
Total Pages : 506 pages
Book Rating : 4.3/5 (9 download)
Download or read book Contaminated Marine Sediments written by National Research Council and published by National Academies Press. This book was released on 1989-02-01 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: The pervasive, widespread problem of contaminated marine sediments is an environmental issue of national importance, arising from decades of intentionally and unintentionally using coastal waters for waste disposal. This book examines the extent and significance of the problem, reviews clean-up and remediation technologies, assesses alternative management strategies, identifies research and development needs, and presents the committee's major findings and recommendations. Five case studies examine different ways in which a variety of sediment contamination problems are being handled.
Author : Michael A. Collins
Publisher :
ISBN 13 :
Total Pages : 254 pages
Book Rating : 4.3/5 (121 download)
Download or read book Dredging-induced Near-field Resuspended Sediment Concentrations and Source Strengths written by Michael A. Collins and published by . This book was released on 1995 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.:/5 (359 download)
Download or read book Proceedings of San Francisco District Navigation Workshop, May 19-21, 1987 written by and published by . This book was released on 1987 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309133017
Total Pages : 450 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Risk-Management Strategy for PCB-Contaminated Sediments written by National Research Council and published by National Academies Press. This book was released on 2001-05-07 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a risk-based framework for developing and implementing strategies to manage PCB-contaminated sediments at sites around the country. The framework has seven stages, beginning with problem definition, continuing through assessment of risks and management options, and ending with an evaluation of the success of the management strategy. At the center of the framework is continuous and active involvement of all affected parties-particularly communities-in the development, implementation, and evaluation of the management strategy. A Risk-Management Strategy for PCB-Contaminated Sediments emphasizes the need to consider all risks at a contaminated site, not just human health and ecological effects, but also the social, cultural, and economic impacts. Given the controversy that has arisen at many PCB-contaminated sites, this book provides a consistent, yet flexible, approach for dealing with the many issues associated with assessing and managing the risks at Superfund and other contaminated sites.
Author :
Publisher :
ISBN 13 :
Total Pages : 9 pages
Book Rating : 4.:/5 (227 download)
Download or read book Environmental Effects of Dredging: Sediment Resuspension by Selected Dredges written by and published by . This book was released on 1988 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The size and concentration of sediment plumes measured in field studies of selected dredging equipment are described. This information is useful when sediment resuspension must be minimized because of adverse environmental impacts which may include the release of sediment-associated chemical contaminants. The information presented here is intended to supplement and update information given in a previous technical note on the same topic (Hayes 1986a). Dredging operations may be required to comply with in-stream State water quality standards based on maximum allowable concentrations of inorganic and organic compounds. Although the majority of materials requiring maintenance dredging In the United States Is uncontaminated, the removal of contaminated sediments (estimated to be less than 10 percent of maintenance materials) poses a serious problem. Hence, a project to study the potential for contaminant release during dredging has been initiated through a field studies program. The field studies described herein were conducted by the Waterways Experiment Station under the Improvement of Operations and Maintenance Techniques (IOMT) research program and in cooperation with other US Army Engineer Districts to evaluate the sediment resuspension characteristics of selected dredges (McLellan et al., in preparation).
Author : Division on Engineering and Physical Sciences
Publisher : National Academies Press
ISBN 13 : 0309054931
Total Pages : 318 pages
Book Rating : 4.3/5 (9 download)
Download or read book Contaminated Sediments in Ports and Waterways written by Division on Engineering and Physical Sciences and published by National Academies Press. This book was released on 1997-04-20 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contaminated marine sediments threaten ecosystems, marine resources, and human health. They can have major economic impacts when controversies over risks and costs of sediment management interfere with needs to dredge major ports. Contaminated Sediments in Ports and Waterways examines management and technology issues and provides guidance that will help officials make timely decisions and use technologies effectively. The book includes recommendations with a view toward improving decision making, developing cost-effective technologies, and promoting the successful completion of cleanup projects. The volume assesses the state of practice and research and development status of both short-term and longer-term remediation methods. The committee provides a conceptual overview for risk-based contaminated sediment management that can be used to develop plans that address complex technological, political, and legal issues and the interests of various stakeholders. The book emphasizes the need for proper assessment of conditions at sediment sites and adequate control of contamination sources.
Author : Danny D. Reible
Publisher : Springer Science & Business Media
ISBN 13 : 1461467268
Total Pages : 496 pages
Book Rating : 4.4/5 (614 download)
Download or read book Processes, Assessment and Remediation of Contaminated Sediments written by Danny D. Reible and published by Springer Science & Business Media. This book was released on 2013-07-20 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this book is to help engineers and scientists better understand contaminated sediment sites and identify and design remedial approaches that are more efficient and effective. Contaminated sediment management is a difficult and costly exercise that is rarely addressed with easily identified and implemented remedies. It is hoped that this book can help identify and implement management approaches that provide an optimal, if not entirely satisfactory, solution to sediment contaminant problems.
Author :
Publisher : DIANE Publishing
ISBN 13 : 1428903364
Total Pages : 155 pages
Book Rating : 4.4/5 (289 download)
Download or read book National Conference on Management and Treatment of Contaminated Sediments proceedings, Cincinnati, OH, May 1314, 1997. written by and published by DIANE Publishing. This book was released on with total page 155 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : North American Lake Management Society. Conference
Publisher :
ISBN 13 :
Total Pages : 628 pages
Book Rating : 4.3/5 (91 download)
Download or read book Lake and Reservoir Management written by North American Lake Management Society. Conference and published by . This book was released on 1984 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (227 download)
Download or read book Environmental Effects of Dredging: Guide to Selecting a Dredge for Minimizing Resuspension of Sediment written by and published by . This book was released on 1986 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: This technical note contains assessments of conventional and special-purpose dredges in removing sediment with minimal sediment resuspension. If sediment resuspension is a critical factor in dredging areas of contaminated material, the following guidance will aid in specifying the dredge and operating conditions. Investigations were conducted as part of the Corps of Engineers Improvement of Operations and Maintenance Techniques (IOMT) Research Program to evaluate the resuspension of sediment into the water column due to dredging operations. Laboratory, field, and literature studies have been used to define the sediment resuspension characteristics of most conventional and several special-purpose dredges. The natural hydrophobic tendency of most organic contaminants and the high sediment-sorptive capacity for inorganic contaminants limits release to the soluble forms and makes the simple measure of sediment resuspension during dredging a relative measure of the potential for contaminant release.
Author :
Publisher :
ISBN 13 :
Total Pages : 610 pages
Book Rating : 4.3/5 (555 download)
Download or read book Boston Harbor Navigation Improvement and Berth Dredging Project written by and published by . This book was released on 1995 with total page 610 pages. Available in PDF, EPUB and Kindle. Book excerpt:
