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Author: National Research Council
Publisher: National Academies Press
ISBN: 0309036283
Category : Science
Languages : en
Pages : 223
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Book Description
Are the nation's ports adequate for our present and future needs? This volume points out that no significant new deep-water construction has occurred for a decade, and provides the information and analysis needed to goad the ports and the federal government into action. The book asks three questions: Is additional port construction and maintenance dredging needed now or over the next 20 years? What would prevent dredging if it is needed? What alternatives could make additional dredging possible? The book identifies several problems in dredging ports, including the long interval between a decision to deepen a port and the time the alterations are complete. The United States needs to speed port construction to meet changing needs, and the committee recommends that we prepare for future needs by dredging now.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309036283
Category : Science
Languages : en
Pages : 223
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Book Description
Are the nation's ports adequate for our present and future needs? This volume points out that no significant new deep-water construction has occurred for a decade, and provides the information and analysis needed to goad the ports and the federal government into action. The book asks three questions: Is additional port construction and maintenance dredging needed now or over the next 20 years? What would prevent dredging if it is needed? What alternatives could make additional dredging possible? The book identifies several problems in dredging ports, including the long interval between a decision to deepen a port and the time the alterations are complete. The United States needs to speed port construction to meet changing needs, and the committee recommends that we prepare for future needs by dredging now.
Author: D. Eisma
Publisher: CRC Press
ISBN: 9780415391115
Category : Technology & Engineering
Languages : en
Pages : 272
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Book Description
The varied use of dredgers has led to the development of a variety of dredger types, from small ones appropriate to modest inshore projects, to very large sea-going dredgers for large-scale projects calling for the storage of dredged material within the ship. This book, which is the first book dedicated to dredging and its environmental impact in the widest sense, contains chapters on dredging operations in the Netherlands, Belgium, the UK, Spain, the US, China and Singapore. Additional chapters discuss more general aspects such as dredging techniques, monitoring of dredging operations, and the prospects of dredging in a changing environment. As well as providing information on dredging activities in different areas, it gives an insight into the activities and problems (environmental or other) involved in modern dredging. It will be of interest to professionals and students alike.
Author:
Publisher: PIANC
ISBN: 2872231773
Category : Coral reef management
Languages : en
Pages : 94
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Book Description
Author: Jean-Paul Rodrigue
Publisher: Routledge
ISBN: 1136777326
Category : Science
Languages : en
Pages : 432
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Book Description
Mobility is fundamental to economic and social activities such as commuting, manufacturing, or supplying energy. Each movement has an origin, a potential set of intermediate locations, a destination, and a nature which is linked with geographical attributes. Transport systems composed of infrastructures, modes and terminals are so embedded in the socio-economic life of individuals, institutions and corporations that they are often invisible to the consumer. This is paradoxical as the perceived invisibility of transportation is derived from its efficiency. Understanding how mobility is linked with geography is main the purpose of this book. The third edition of The Geography of Transport Systems has been revised and updated to provide an overview of the spatial aspects of transportation. This text provides greater discussion of security, energy, green logistics, as well as new and updated case studies, a revised content structure, and new figures. Each chapter covers a specific conceptual dimension including networks, modes, terminals, freight transportation, urban transportation and environmental impacts. A final chapter contains core methodologies linked with transport geography such as accessibility, spatial interactions, graph theory and Geographic Information Systems for transportation (GIS-T). This book provides a comprehensive and accessible introduction to the field, with a broad overview of its concepts, methods, and areas of application. The accompanying website for this text contains a useful additional material, including digital maps, PowerPoint slides, databases, and links to further reading and websites. The website can be accessed at: http://people.hofstra.edu/geotrans This text is an essential resource for undergraduates studying transport geography, as well as those interest in economic and urban geography, transport planning and engineering.
Author: United States. Congress. House. Committee on Public Works and Transportation. Subcommittee on Water Resources
Publisher:
ISBN:
Category : Dredging
Languages : en
Pages : 66
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Book Description
Author: Claude Alzieu
Publisher: Editions Quae
ISBN: 9782844331427
Category : Aquatic organisms
Languages : en
Pages : 134
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Book Description
L'accès des navires aux zones portuaires est assuré par le dragage de quantités importantes de sédiments. Les matériaux dragués ne peuvent être immergés que s'ils présentent toutes les garanties d'innocuité pour le milieu marin. Après un rappel sur la géochimie et la toxicité des différents contaminants qui sont adsorbés sur les sédiments, le présent ouvrage propose une approche globale de l'évaluation des risques environnementaux liés aux immersions. Les méthodes de caractérisation des risques à partir de l'analyse chimique (Géodrisk) et de tests de toxicité sélectionnés, de bioévaluation de la qualité des sédiments par la définition d'un Indice d'évaluation de l'endofaune côtière (I2EC) et de biomonitoring actif des zones d'immersion, sont décrites de manière détaillée. Cette démarche ascendante et itérative, appliquée au contexte réglementaire français, permet de satisfaire aux recommandations des conventions internationales et en particulier aux lignes directrices OSPAR.
Author: Peter James
Publisher: Macmillan
ISBN: 1250035104
Category : Fiction
Languages : en
Pages : 692
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Book Description
Dead Tomorrow, the fifth novel in Peter James' award-winning Detective Superintendent Roy Grace crime series, now available in eBook. The body of a teenager, dredged from the seabed off the coast of Sussex, is found to be missing its vital organs. Soon two more young bodies are found... Caitlin Beckett, a fifteen-year-old in Brighton, will die if she does not receive a liver transplant, urgently. When the health system threatens to let her down, Lynn, her mother turns in panic to the internet and discovers a broker who can provide her with a black-market organ - but at a price. Prepared to do whatever it takes, Lynn scrambles to raise the money. A few days later, with Caitlin deteriorating by the hour, the organ broker tells Lynn she has found a perfect match. With his beautiful girlfriend, Cleo, and his recent promotion, Detective Superintendent Roy Grace knows he should finally be feeling positive for the first time since his wife Sandy disappeared, nine years ago. But this new case haunts him, even more than all the others. Following the clues from the bodies, he finds himself on the trail of a gang of child traffickers operating from Eastern Europe. Soon Grace and his team will find themselves in a race against time to save the life of a young street kid, while a desperate mother will stop at nothing to save her daughter's life.
Author: United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Oceanography, Gulf of Mexico, and the Outer Continental Shelf
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 166
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 186
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Book Description
Author: Recreational Navigation Commission. Working Group 13
Publisher: PIANC
ISBN: 2872231447
Category : Dredging
Languages : en
Pages : 48
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Book Description
