Analysis Of Rubble Mound Breakwaters Subgroup E Figures And Tables

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Analysis Of Rubble Mound Breakwaters Subgroup E Figures And Tables

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Author :
language : en
Publisher: PIANC
Release Date :

Analysis Of Rubble Mound Breakwaters Subgroup E Figures And Tables written by and has been published by PIANC this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.

Analysis Of Rubble Mound Breakwaters

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Author : Permanent International Association of Navigation Congresses. Permanent Technical Committee II. Working Group 12
language : en
Publisher: PIANC
Release Date : 1992

Analysis Of Rubble Mound Breakwaters written by Permanent International Association of Navigation Congresses. Permanent Technical Committee II. Working Group 12 and has been published by PIANC this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Breakwaters categories.

"The worldwide increasing number of national guidelines and growing experience with realized green bank protections (constructions using as far as possible living or at least wooden construction material) in navigable waters, led to install a PIANC INCOM Working Group to collect and condense expert knowledge in this field of work and prepare it for practitioners for design purposes."--Introduction.

Analysis Of Rubble Mound Breakwaters Subgroup F Development Of A Partial Coefficient System For The Design Of Rubble Mound Breakwaters

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Author :
language : en
Publisher: PIANC
Release Date :

Analysis Of Rubble Mound Breakwaters Subgroup F Development Of A Partial Coefficient System For The Design Of Rubble Mound Breakwaters written by and has been published by PIANC this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.

Environmentally Friendly Coastal Protection

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Author : Claus Zimmermann
language : en
Publisher: Springer Science & Business Media
Release Date :

Environmentally Friendly Coastal Protection written by Claus Zimmermann and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.

Encyclopedia Of Coastal Science

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Author : M. Schwartz
language : en
Publisher: Springer Science & Business Media
Release Date : 2006-11-08

Encyclopedia Of Coastal Science written by M. Schwartz and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-11-08 with Science categories.

Honorable Mention, Award for Excellence in Scholarly and Professional Publishing Maurice Schwartz, Editor of the much acclaimed Encyclopedia of Beaches and Coastal Environments (Hutchinson Ross, 1982) has now brought forth a new volume with a fresh interdisciplinary approach that includes geomorphology, ecology, engineering, technology, oceanography, and human activities as they relate to coasts. Within its covers the Encyclopedia of Coastal Science includes many aspects of the coastal sciences that are only to be found scattered among scientific literature. Being broadly interdisciplinary in its treatment of coasts, the Encyclopedia of Coastal Science 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 geomorphology and extensive bibliographic listings. This Encyclopedia thus provides a comprehensive reference work for students, professionals as well as informed lay readers.

Design And Construction Of Berm Breakwaters

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Author : Jentsje Van Der Meer
language : en
Publisher: World Scientific
Release Date : 2016-09-09

Design And Construction Of Berm Breakwaters written by Jentsje Van Der Meer and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-09-09 with Technology & Engineering categories.

Modern design of berm breakwaters began about thirty years ago. However, to date, there has been a lack of a well-established, formal design methodology on berm breakwaters. The authors Dr Jentsje van der Meer and Sigurdur Sigurdarson combine over 40 years of collective experience working with breakwaters to put forward a design framework in Design and Construction of Berm Breakwaters; covering the science and design practices of berm breakwater structures. The original design consisted of mass armoured berms that reshaped into statically stable S-shaped slopes. The design was adopted in Iceland and eventually led to a development with more stable structures by using available rock sizes, large rock, and more rock gradings than just 'small rock (core)' and 'large rock (berm)'. This more stable and only partly reshaping structure is called the Icelandic-type berm breakwater.Written for researchers and practitioners, the volume consists of chapters on geometrical designs of the berm breakwater cross-section, including berm reshaping and wave overtopping, quarry and project management, as well as blasting and sorting techniques, designs for various wave conditions and available rock classes, and case studies of already constructed berm breakwaters.

Marine And Coastal Protected Areas

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Author : Rodney V. Salm
language : en
Publisher: IUCN
Release Date : 2000

Marine And Coastal Protected Areas written by Rodney V. Salm and has been published by IUCN this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Business & Economics categories.

This is a new edition of the classic textbook on marine protected area (MPA) management in the tropics, originally produced as an output of the Bali World Parks Congress in 1982. Approaches to planning and managing MPAs have evolved considerably. Major advances include innovative financing mechanisms, partnerships with the private sector and NGOs, and collaborative management between government and coastal communities. These advances have brought new approaches for MPA establishment and management that are more participatory, involving communities through interaction and collaboration rather than prescription. With new case studies and illustrations, the guide comes in a water-resistant cover for field use. It is intended for those who plan individual and/or national MPA systems and gives philosophical context for MPAs along with some basic principles and approaches.

A Guide To Habitats In Ireland

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Author : Julie A. Fossitt
language : en
Publisher: Heritage
Release Date : 2000

A Guide To Habitats In Ireland written by Julie A. Fossitt and has been published by Heritage this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Nature categories.

Lagoons Of Sri Lanka

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Author : Silva, E. I. L.
language : en
Publisher: IWMI
Release Date : 2013-03-01

Lagoons Of Sri Lanka written by Silva, E. I. L. and has been published by IWMI this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-01 with Nature categories.

Sri Lanka, an island in the Indian Ocean, has lagoons along 1,338 km of its coastline. They experience low-energy oceanic waves and semidiurnal microtidal currents. The Sri Lankan coastal lagoons are not numerous but they are diverse in size, shape, configuration, ecohydrology, and ecosystem values and services. The heterogeneous nature, in general, and specific complexities, to a certain extent, exhibited by coastal lagoons in Sri Lanka are fundamentally determined by coastal and adjoining hinterland geomorphology, tidal fluxes and fluvial inputs, monsoonal-driven climate and weather, morphoedaphic attributes, and cohesive interactions with human interventions.Most coastal lagoons in Sri Lanka are an outcome of mid-Holocene marine transgression and subsequent barrier formation and spit development enclosing the water body between the land and the sea. This process has varied from one coastal stretch to another due to wave-derived littoral drift, sediment transport by tidal fluxes, fluvial inputs and wave action or, in other words, sea-level history, shore-face dynamics and tidal range as the three major factors that control the origin and maintenance of the sandy barrier, the most important features for the formation and evolution of coastal lagoons with their landward water mass. In certain stretches of Sri Lanka’s coastline, formation of the barrier spit was very active due to shore-face dynamics that resulted in chains of shore parallel, elongated lagoons. They are among the most productive in terms of ecosystem yield and show some similarities to large tropical lagoons with respect to sea entrance, zonation, biodiversity and ecosystem services. However, some of them become seasonally hypersaline due to lack of freshwater input and high evaporation. Functions and processes of some of these water bodies are fairly known. There are a fair number of small back-barrier lagoons of different shapes and sizes whose origin goes back to sea-level history. They are located on low-energy coasts with prominent beach ridges and restricted hinterland geomorphology. Mixing processes of these landward indentations are hindered by elevated sand dunes, and their salinity increases due to poor freshwater input and high evaporation leading to seasonally hypersaline conditions. These sedimented lagoons, primarily confined to the southeastern coast of the island, are biologically the least productive, with limited ecosystem values and services. Another group of moderately elongated semicircular, slightly large lagoons in the same coast, formed exclusively by submergence due to mid-Holocene sea-level rises, do not receive sufficient freshwater input leading to seasonally hypersaline conditions. They are also biologically unproductive but some are ecologically important since they provide habitats conducive to migratory birds. In contrast, some lagoons on the southern coast receive sufficient freshwater via streams draining the wet zone, maintain more estuarine salinities, exhibit rich biodiversity and serve as functional resource units. Lagoons formed by mid-Holocene submergence and recession of water level with simultaneous chain barrier formation on the high energy southwest coast, which includes cliffs, small bays and headlands, show peculiar configurations and link channel characteristics. Some of these irregular water bodies have clusters of small isles and luxuriant mangrove swamps with high biodiversity but not very rich in catadromous finfish and shellfish species due to the restricted nature of the entrance channel and nondistinct salinity gradients. The barrier-built, seasonally hypersaline lagoon complex in the Jaffna Peninsula, the largest lagoon system in the country with multiple perennial entrances show extremely narrow salinity ranges towards the upper limit of salinity. The main lagoon is elongated and the shore parallel to eastward and southward extensions is connected by narrow channels. The other lagoon in the Jaffna Peninsula is elongated, shore parallel and ribbon-shaped and receives tidal water throughout the year but freshwater is received only from precipitation and surface runoff. Even though the lagoons in the peninsula are extremely rich in ecosystem heterogeneity their hydrology and hydrodynamics have been severely disturbed by infrastructural development for transportation and by attempts to create a freshwater river for Jaffna. There are a few virgin lagoons of moderate size also on the northern coast, south of the Jaffna Peninsula on both the east and west sides. They look very typical tropical lagoons rich in biodiversity and biological production but their structure, functions and values are virtually unknown in scientific or socioeconomic terms. The lagoons located on the east coast are not numerous but relatively large in extent. They are also an outcome not only of mid-Holocene sea-level rises but of submerged multi-delta valleys or abandoned paleo estuaries. When inundated, the multi-delta valley configuration became elongated and is shore parallel with a smooth seaward shoreline; both shorelines become irregular when coastal waves are weak, and internal waves are created by the action of local winds. Configuration of a lagoon formed by inundation of an abandoned river valley is irregular with a long entrance channel extended landward. These lagoons are highly productive with a variety of associated ecosystems, large open water areas and wide perennial sea entrances. When the lagoon is too much elongated, zonation is prominent due to fewer entrance effects. Lagoons form a particular type of natural capital which generates use values (fish, shrimp, fuelwood, salt, fodder, ecotourism, anchorage, recreation, etc.) and nonuse values (habitat preservation, biodiversity, ecosystem linkages, etc.) contributing positively towards improving the human well-being. Of many values of lagoons in Sri Lanka, only the extractive values are generally utilized at present, by way of fish and shrimp catches, salt production and use of mangrove for various purposes. Besides, coastal lagoons generate a range of nonextractive use values and nonuse values, which could add towards the total economic value. Misuse has taken place at several instances when “use” adversely affects the status of the resources or the health of the ecosystem due to vulnerability and poverty, population pressure, urbanization, development activities and multi-stakeholder issues. The status of lagoon resources shows that the resources in the majority of Sri Lankan lagoons still remain satisfactory, somewhat good or very good. Nevertheless, concerns for management of lagoons in Sri Lanka exist only where “use values” (extractive values, such as fish and shrimp) exist. There is no evidence of resources management in lagoons for inspirational, scholarly values or tacit knowledge of the same. Management for use values exhibits several stages from zero management to comanagement via community management and state intervention. Most of Sri Lanka’s lagoons have the potential for generating high extractive and nonextractive use values which could improve the human well-being, while maintaining resources sustainability. Unfortunately, these potentials have not been understood or “seen” yet by the relevant authorities, although a few instances of exploring this potential were noticed.

Random Seas And Design Of Maritime Structures

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Author : Yoshimi Goda
language : en
Publisher: World Scientific
Release Date : 2000

Random Seas And Design Of Maritime Structures written by Yoshimi Goda and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Technology & Engineering categories.

Random waves are the most important constituent of the sea environment. They make the design of maritime structures quite different from that of structures on land. In this book, the concept of randomness in waves for the design of breakwaters, seawalls, and harbor structures is fully explored for easy comprehension by practicing engineers. Theoretical aspects are also discussed in detail for further studies by graduate students and researchers. Several additions have been made to this second edition, including a new chapter on extreme wave statistics.