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Author : Robert S. Nunny
Publisher :
ISBN 13 :
Total Pages : 300 pages
Book Rating : 4.:/5 (319 download)
Download or read book Marine Dredging for Sand and Gravel written by Robert S. Nunny and published by . This book was released on 1986 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309083400
Total Pages : 137 pages
Book Rating : 4.3/5 (9 download)
Download or read book Effects of Trawling and Dredging on Seafloor Habitat written by National Research Council and published by National Academies Press. This book was released on 2002-08-09 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: Concerns over the potential ecological effects of fishing have increased with the expansion of fisheries throughout the marine waters of the United States. Effects of Trawling and Dredging on Seafloor Habitat describes how assessment of fishing impacts depends on gear type, number and location of bottom tows, and the physical and biological characteristics of seafloor habitats. Many experimental studies have documented acute, gear-specific effects of trawling and dredging on various types of habitat. These studies indicate that low mobility, long-lived species are more vulnerable to towed fishing gear than short-lived species in areas where the seabed is often disturbed by natural phenomena. Trawling and dredging may also change the composition and productivity of fish communities dependent on seafloor habitats for food and refuge. The scale of these impacts depends on the level of fishing effort. This volume presents color maps of fishing effort for all regions with significant bottom trawl or dredge fisheries-the first time that such data has been assembled and analyzed for the entire nation.
Author : John-Paul Latham
Publisher : Geological Society of London
ISBN 13 : 9781862390003
Total Pages : 220 pages
Book Rating : 4.3/5 (9 download)
Download or read book Advances in Aggregates and Armourstone Evaluation written by John-Paul Latham and published by Geological Society of London. This book was released on 1998 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: The maintenance and upgrading of our built environment, including large sections of coastal defences, relies heavily on natural construction materials. The text aims to highlight a range of pressing research issues in natural construction materials of direct relevance to an industry facing growing pressures for environmental sustainability and standardization of product quality within Europe. Tests and specifications given in the forthcoming Eurostandards for aggregates and armourstones are considered and correlated with older more widely used tests, including those which could impact upon current road safety. This text should be useful to: aggregate and amourstone suppliers and users; civil and engineering geologists; quarry companies; and Local and County Authority engineers and coastal engineers.
Author : John Malcolm Elliott
Publisher :
ISBN 13 :
Total Pages : 148 pages
Book Rating : 4.:/5 (849 download)
Download or read book SOME METHODS FOR THE STATISTICAL ANALYSIS OF SAMPLES OF BENTHIC INVERTEBRATES. written by John Malcolm Elliott and published by . This book was released on 1971 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Porter Hoagland
Publisher : Academic Press
ISBN 13 : 0080964818
Total Pages : 630 pages
Book Rating : 4.0/5 (89 download)
Download or read book Marine Policy and Economics written by Porter Hoagland and published by Academic Press. This book was released on 2010 with total page 630 pages. Available in PDF, EPUB and Kindle. Book excerpt: This title is an important reference on current knowledge and expertise in one convenient and accessible source. The selected articles - all written by experts in their field - fall into several categories.
Author : Gilbert Powell Larwood
Publisher : Academic Press
ISBN 13 :
Total Pages : 636 pages
Book Rating : 4.:/5 (318 download)
Download or read book Biology and Systematics of Colonial Organisms written by Gilbert Powell Larwood and published by Academic Press. This book was released on 1979 with total page 636 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.:/5 (318 download)
Download or read book World Dredging & Marine Construction written by and published by . This book was released on 1988 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S.A. Miedema
Publisher : IOS Press
ISBN 13 : 1614994544
Total Pages : 572 pages
Book Rating : 4.6/5 (149 download)
Download or read book The Delft Sand, Clay and Rock Cutting Model written by S.A. Miedema and published by IOS Press. This book was released on 2014-10-29 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sand, clay and rock have to be excavated for a variety of purposes, such as dredging, trenching, mining (including deep sea mining), drilling, tunnel boring and many other applications. Many excavations take place on dry land, but they are also frequently required in completely saturated conditions, and the methods necessary to accomplish them consequently vary widely. This book provides an overview of cutting theories. It begins with a generic model, valid for all types of soil (sand, clay and rock), and continues with the specifics of dry sand, water-saturated sand, clay, atmospheric rock and hyperbaric rock. Small blade angles and large blade angles are discussed for each soil type, and for each case considered the equations/model for cutting forces, power and specific energy are given. With models verified by laboratory research, principally from the Delft University of Technology, and data from other recognized sources, this book will prove an invaluable reference for anybody whose work involves major excavations of any kind.
Author : Institution of Civil Engineers (Great Britain)
Publisher : Thomas Telford
ISBN 13 : 9780727716545
Total Pages : 210 pages
Book Rating : 4.7/5 (165 download)
Download or read book Capital Dredging written by Institution of Civil Engineers (Great Britain) and published by Thomas Telford. This book was released on 1991 with total page 210 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dredging of a completely new site, requires careful investigation of site conditions. This book draws on the experience of a variety of expert authors to explain how to avoid operational problems, high maintenance costs and how to minimise the environmental impact.
Author : Programme des Nations Unies pour l'environnement. GRID-Geneva
Publisher :
ISBN 13 : 9789280737516
Total Pages : 35 pages
Book Rating : 4.7/5 (375 download)
Download or read book Sand and Sustainability written by Programme des Nations Unies pour l'environnement. GRID-Geneva and published by . This book was released on 2019 with total page 35 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sand and gravels are the unrecognised foundational material of our economies. They are mined the world over, with aggregates accounting for the largest volume of solid material extracted globally (Peduzzi, 2014; Beiser, 2018). At the same time, these materials cannot be produced from our terrestrial, riverine and marine environments in quantities needed to meet demand from a world of 10 billion people without effective policy, planning, regulation and management. Such actions remain largely unaddressed by decision makers in public or private sectors. It is time to challenge the paradigm of infinite sand resources through constructive dialogue and solution-finding. This report aims to be the starting point from which a productive global conversation on sand extraction can begin. This synthesis was produced following a United Nations Environment Programme expert roundtable event held on 11 October 2018 in Geneva, Switzerland. The discussions emphasised potential solutions for mitigating mineral sands and aggregates extraction impacts and generating adequate support for responsible consumption pathways. Expert views were collated and complemented with additional research and consultation to distil key messages on an agenda for tackling this issue in 2019 and beyond.
Author : Alan Frederick Grantley Lewis
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.:/5 (318 download)
Download or read book Sea-dredged Aggregates for Concrete written by Alan Frederick Grantley Lewis and published by . This book was released on 1969 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Schwartz
Publisher : Springer Science & Business Media
ISBN 13 : 1402038801
Total Pages : 1243 pages
Book Rating : 4.4/5 (2 download)
Download or read book Encyclopedia of Coastal Science written by M. Schwartz and published by Springer Science & Business Media. This book was released on 2006-11-08 with total page 1243 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new Encyclopedia of Coastal Science stands as the latest authoritative source in the field of coastal studies, making it the standard reference work for specialists and the interested lay person. Unique in its interdisciplinary approach. This Encyclopedia features contributions by 245 well-known international specialists in their respective fields and is abundantly illustrated with line-drawings and photographs. Not only does this volume offer an extensive number of entries, it also includes various appendices, an illustrated glossary of coastal morphology and extensive bibliographic listings.
Author :
Publisher :
ISBN 13 :
Total Pages : 546 pages
Book Rating : 4.:/5 (319 download)
Download or read book U.S. Geological Survey Circular written by and published by . This book was released on 1984 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : R. N. Bray
Publisher : CRC Press
ISBN 13 : 0203894898
Total Pages : 398 pages
Book Rating : 4.2/5 (38 download)
Download or read book Environmental Aspects of Dredging written by R. N. Bray and published by CRC Press. This book was released on 2008-03-10 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expanding a port, deepening a navigation channel or creating new land for development, introduces changes to our physical, social, economic and political environment. Changes may result from events during the construction process, or relate to the nature of the completed structure. Changes can be positive or negative, short-term or long-term, and may affect the immediate vicinity of the project or a larger geographical area. Predicting and assessing all possible effects of a planned dredging activity in a scientifically-sound and reliable manner is essential, so that appropriate control measures can be taken to avoid or mitigate unwelcome impacts. This book provides guidance for a complete holistic environmental evaluation procedure and for the design and implementation of environmental control measures. The book is of particular interest to engineers, government agencies and port authorities, as well as civil engineering consultants and contractors involved in planning and designing dredging, maritime infrastructure and fluvial projects.
Author :
Publisher :
ISBN 13 :
Total Pages : 362 pages
Book Rating : 4.3/5 (121 download)
Download or read book Marine Minerals written by and published by . This book was released on 1987 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Geological Survey (U.S.)
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.3/5 (121 download)
Download or read book Proceedings of the 1987 Exclusive Economic Zone Symposium on Mapping and Research written by Geological Survey (U.S.) and published by . This book was released on 1988 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John F. Elder
Publisher :
ISBN 13 :
Total Pages : 702 pages
Book Rating : 4.3/5 (243 download)
Download or read book Proceedings of the 1987 Exclusive Economic Zone Symposium on Mapping and Research written by John F. Elder and published by . This book was released on 1988 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
