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Sandy Beach Morphodynamics

Sandy Beach Morphodynamics Book
Author : Derek Jackson,Andrew Short
Publisher : Unknown
Release : 2020-06
ISBN : 0081029276
Language : En, Es, Fr & De

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Book Description :

Sandy beaches represent some of the most dynamic environments on Earth and examining their morphodynamic behaviour over different temporal and spatial scales is challenging, relying on multidisciplinary approaches and techniques. Sandy Beach Morphodynamics brings together the latest research on beach systems and their morphodynamics and the ways in which they are studied in 29 chapters that review the full spectrum of beach morphodynamics. The chapters are written by leading experts in the field and provide introductory level understanding of physical processes and resulting landforms, along with more advanced discussions.

Sandy Beach Morphodynamics

Sandy Beach Morphodynamics Book
Author : Derek Jackson,Andrew Short
Publisher : Elsevier
Release : 2020-05-19
ISBN : 0081029284
Language : En, Es, Fr & De

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Book Description :

Sandy beaches represent some of the most dynamic environments on Earth and examining their morphodynamic behaviour over different temporal and spatial scales is challenging, relying on multidisciplinary approaches and techniques. Sandy Beach Morphodynamics brings together the latest research on beach systems and their morphodynamics and the ways in which they are studied in 29 chapters that review the full spectrum of beach morphodynamics. The chapters are written by leading experts in the field and provide introductory level understanding of physical processes and resulting landforms, along with more advanced discussions. Includes chapters that are written by the world’s leading experts, including the latest up-to-date thinking on a variety of subject areas Covers state-of-the-art techniques, bringing the reader the latest technologies/methods being used to understand beach systems Presents a clear-and-concise description of processes and techniques that enables a clear understanding of coastal processes

Proceedings of the Brazilian Symposium on Sandy Beaches

Proceedings of the Brazilian Symposium on Sandy Beaches Book
Author : A. H. F. Klein
Publisher : Unknown
Release : 2003
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Proceedings of the Brazilian Symposium on Sandy Beaches book written by A. H. F. Klein, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Morphodynamics of Mediterranean Mixed Sand and Gravel Coasts

Morphodynamics of Mediterranean Mixed Sand and Gravel Coasts Book
Author : Miguel Ortega-Sánchez,Rafael J. Bergillos,Alejandro López-Ruiz,Miguel A. Losada
Publisher : Springer
Release : 2017-02-22
ISBN : 3319524402
Language : En, Es, Fr & De

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Book Description :

This book describes recent advances in the morphodynamics of mixed sand and gravel Mediterranean coasts, and provides updates and new methods for their study and management. It assesses how the differences in the geomorphic setting, in comparison with traditional sandy beaches, result in distinctive physical processes governing the dynamics of these coasts. Further, on the basis of field measurements, theoretical analysis and numerical modeling carried out at two study sites in southern Spain over the last 15 years, the book studies, analyzes and compares these physical processes and mechanisms. It also shows that the narrow and complex bathymetries and inner shelves modify the wave propagation patterns and hence, the longshore sediment transport gradients along the coast. Given the correlation between the changes in these gradients and the shoreline evolution over time, it identifies the complexity of the inner shelf bathymetries as the main driver of coastal changes and describes these processes in detail using, in the plan view, the inter-annual evolution of unaltered and “altered by human” beaches. Lastly, the book details how the generation and subsequent overlapping of berms across the beach profile are responsible for the sediment variability at depth and cross-shore, and concludes that the total run-up (including the water-level) is a more influential variable than wave height in the erosional/depositional response of these beaches.

Classification of Perched Beach Morphotypes and the Influence of Coastal Reefs on Sandy Beach Morphodynamics During Storms and Sea Breezes

Classification of Perched Beach Morphotypes and the Influence of Coastal Reefs on Sandy Beach Morphodynamics During Storms and Sea Breezes Book
Author : Shari L. Gallop,University of Western Australia
Publisher : Unknown
Release : 2013
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

A perched beach is a beach that either overlies a hard substrate; or has a hard substrate seaward, but that is landward of the depth of closure. Naturally-formed perched beaches are due to coral and rock formations that are present along much of the world's coastline. In addition, many beaches with engineered structures such as shore-parallel breakwaters and artificial reefs may also be considered as perched. The goal of this thesis was to investigate how coastal reefs influence spatial and temporal variability in coastal erosion and accretion, over nested temporal and spatial scales. To provide a framework for this process-based research, the first fully-comprehensive classification was developed of morphotypes of rock and coral formations supporting perched beaches. A novel feature of this classification is its universality and flexibility. It is based on four morphological elements (reefs, pavement, horizontal platforms and ramps) that can have common morphologies regardless of what substance the structure is made of (limestone, coral, beachrock, etc.). These elements can vary morphologically within 8 attributes, such as roughness, elevation relative to tidal range, alongshore porosity and cross-shore width. The influence of the reefs on coastal morphodynamics from hours to decades was investigated in detail at one type of perched beach: a sandy beach with reefs at Yanchep Lagoon in southwest Australia. This was based on multi-scale field deployments during sea breezes and storms, and monthly to seasonal time scales. The reefs caused variability in the mode and magnitude of sand transport within just tens of metres on hourly time-scales; up to kilometres on inter-annual time-scales. Moreover, the commonly-mentioned assumption that reefs always protect beaches was shown to not always be true at some spatial and temporal scales and during certain conditions. For example, while reefs sometimes reduced beach erosion, they could also inhibit recovery due to: sediment being unable to overtop the reef unless a sand ramp was present; and longshore current jets constricted by the reefs that transported sand away from some areas to create erosion 'hot spots'. The strong influence of reefs on spatial and temporal variability in coastal erosion and accretion showed that it cannot be assumed that reefed coasts behave the same as non-reefed coasts, nor can it be assumed that reefs always protect beaches.

The Role of Large Woody Debris on Sandy Beach dune Morphodynamics

The Role of Large Woody Debris on Sandy Beach dune Morphodynamics Book
Author : Michael J. Grilliot
Publisher : Unknown
Release : 2019
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Coastal foredune evolution involves complex processes and controls. Although a great deal is known about the effects of vegetation cover, moisture, and fetch distance on sediment supply, and of topographic forcing on airflow dynamics, the role of large woody debris (LWD) as a modulator of sediment supply and a control on foredune growth is understudied. Large assemblages of LWD are common on beaches near forested watersheds and collectively have a degree of porosity that increases aerodynamic roughness and provides substantial sand trapping volume. To date, no research has attempted to understand the geomorphic role that LWD matrices, as a whole, have as roughness elements affecting airflow and sediment transport across a beach-dune system, or, what the long-term implications of these impacts are on beach and foredune erosion recovery and evolution. This four-year research initiative investigated the role of a LWD matrix on beach-dune morphodynamics on West Beach, Calvert Island on the central coast of British Columbia, Canada. This study integrated data from research that spanned three temporal scales, 1) event-scale (10 min) flow and sediment transport patterns, 2) daily frequency and relative magnitude of landscape changing events, 3) seasonal to interannual-scale volumetric and LWD changes. An event-scale experiment to characterise airflow dynamics and related sand transport patterns showed that LWD distinctly alters wind flow patterns and turbulence levels from that of incoming flow over a flat beach. Overall, mean wind speed and fluctuating flow properties declined as wind transitioned across the LWD. Streamwise mean energy was converted to turbulent energy, however, the reductions in mean flow properties were too great for the increased streamwise turbulence to have an effect on transport. In response to these flow alterations and more limited sand transport pathways to the foredune, sediment flux was reduced by 99% in the LWD compared to the open beach, thereby reducing sand supply to the foredune. Sand grains rebounding off of the LWD were carried higher into the flow field resulting in greater mass flux recorded at 20-50 cm in the LWD as opposed to the flat beach. This effect was only recorded 6 m into the LWD. As such, LWD has the potential to modulate rates of foredune recovery, growth, and evolution. Time-lapse photography collected at 15 min intervals during the study revealed that storm events lead to wave-induced erosion of the backshore and reworking of the LWD matrix. The exposed LWD matrix subsequently traps aeolian sediment that leads to rapid burial of the LWD and building of a raised platform for emergent vegetation. However, infilling of the accommodation space within the LWD matrix is so rapid, that sediment starvation of the foredune is short-lived. While the LWD at this site does trap sediment in the backshore, helping to protect the dune from scarping, LWD at this study site maintains an overall lower impact on transport to the foredune. Critical to this relationship is the frequency and magnitude of nearshore events that erode the beach periodically and re-organize the LWD matrix, which directly impacts the ability of LWD to store sediment and modulate transport to the foredune. A conceptual model exploring these relationships is presented.

Brazilian Beach Systems

Brazilian Beach Systems Book
Author : Andrew D. Short,Antonio Henrique da F. Klein
Publisher : Springer
Release : 2016-07-19
ISBN : 3319303945
Language : En, Es, Fr & De

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Book Description :

This book is about the more than 4,000 beach systems that form most of the 9000 km long Brazilian coast. It focuses on the beaches of each of the seventeen coastal states and three oceanic islands, their nature, morphodynamics and status. It is a must for anyone who wants to know more about this great coast and its beach systems. This is the first book ever written about the beach systems of Brazil, and actually the very first about the beaches of an entire country. The Brazilian coast extends from the mighty Amazon River and its muddy shores in the north to one of the world’s longest sandy beaches in the southern Rio Grande do Sul. It contains every beach type from wave to tide-dominated which range in size from small embayed beaches to long barrier beaches. The book is written by leading Brazilian academics and researchers and aims at the university level market, as well as coastal scientists, engineers and managers. Standard scientific terminology is used to describe the coast and its beaches. It is illustrated with more than 400 original figures and serves as a benchmark text on the Brazilian coast.

Sand Beach Morphodynamics in Southern Pegasus Bay

Sand Beach Morphodynamics in Southern Pegasus Bay Book
Author : M. A. Willyams
Publisher : Unknown
Release : 1980
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Sand Beach Morphodynamics in Southern Pegasus Bay book written by M. A. Willyams, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Coastal Zones and Estuaries

Coastal Zones and Estuaries Book
Author : Federico Ignacio Isla
Publisher : EOLSS Publications
Release : 2009-06-30
ISBN : 1848260164
Language : En, Es, Fr & De

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Book Description :

Coastal Zones and Estuaries is a component of Encyclopedia of Environmental and Ecological Sciences, Engineering and Technology Resources which is part of the global Encyclopedia of Life Support Systems (EOLSS), an integrated compendium of twenty one Encyclopedias. The Theme deals with important links of water, sediment, and nutrients between continents and oceans. The present behavior of sea level, ice sheets, and coral reefs is still a matter of controversy and concern. Coastal experiences learned in developed countries should be used to improve coastal policies world wide. Within the Global Change Programme, it is recognized that the earth system is characterized by critical limits and abrupt changes. The coastal systems are particularly sensitive to these changes. This volume is aimed at the following five major target audiences: University and College Students, Educators, Professional Practitioners, Research Personnel and Policy Analysts, Managers, and Decision Makers and NGOs.

Ecological Comparisons of Sedimentary Shores

Ecological Comparisons of Sedimentary Shores Book
Author : K. Reise
Publisher : Springer Science & Business Media
Release : 2012-12-06
ISBN : 3642565573
Language : En, Es, Fr & De

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Book Description :

Sedimentary coasts with their unique forms of life and productive ecosystems are one of the most threatened parts of the biosphere. This volume analyzes and compares ecological structures and processes at sandy beaches, tidal mudflats and in shallow coastal waters all around the world. Analyses of local processes are paired with comparisons between distant shores, across latitudinal gradients or between separate biogeographic provinces. Emphasis is given to suspension feeders in coastal mud and sand, to biogenic stabilizations and disturbances in coastal sediments, to seagrass beds and faunal assemblages across latitudes and oceans, to recovery dynamics in benthic communities, shorebird predation, and to experimental approaches to the biota of sedimentary shores.

Asian and Pacific Coasts 2011

Asian and Pacific Coasts 2011 Book
Author : Joseph Hun-Wei Lee,Chiu-On Ng
Publisher : World Scientific
Release : 2011-11-24
ISBN : 981439713X
Language : En, Es, Fr & De

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Book Description :

This is a compilation of papers presented at the 6th International Conference on Asian and Pacific Coasts (APAC2011) held on December 14?16, 2011 in Hong Kong, China. It contains more than 200 articles addressing a wide spectrum of issues, ranging from conventional coastal engineering problems (such as wave hydrodynamics and sediment transport) to issues of contemporary interest (such as tsunami, coastal development, climate change and seawater level rise, shoreline protection, marine energy, nearshore ecology, oil spill, etc.). Authors present their experiences in tackling these problems, by means of theoretical modeling, numerical simulation, laboratory and field observations, with an aim to advance fundamental understanding of the controlling mechanisms, as well as to develop solutions for practical designs. This volume serves to promote technological progress and activities, technical knowledge transfer and cooperation on an international scale. Contents:Beach Erosion and Sediment TransportClimate Change and Sea Level RiseCoastal Infrastructure DevelopmentsHydrodynamics of Offshore StructuresLowland Development and ReclamationMarine Ecology and EnvironmentsMarine and Offshore Wind EnergyOil Spill and Environmental HazardsPort Works (Dredging, Seawall Design, etc.)Sea Water IntrusionTsunami, Waves and TidesWastewater DisposalWetlands Readership: Scientists, engineers, researchers, and management professionals in the fields of coastal, ocean, port and marine engineering. Keywords:Coastal Engineering;Tsunami;Waves;Hydrodynamics;Marine Energy;Wetlands

The Ecology of Sandy Shores

The Ecology of Sandy Shores Book
Author : A.C. Brown,Anton McLachlan
Publisher : Elsevier
Release : 2010-07-27
ISBN : 9780080465098
Language : En, Es, Fr & De

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Book Description :

The Ecology of Sandy Shores provides the students and researchers with a one-volume resource for understanding the conservation and management of the sandy shore ecosystem. Covering all beach types, and addressing issues from the behavioral and physiological adaptations of the biota to exploring the effects of pollution and the impact of man's activities, this book should become the standard reference for those interested in Sandy Shore study, management and preservation. More than 25% expanded from the previous edition Three entirely new chapters: Energetics and Nutrient Cycling, Turtles and Terrestrial Vertebrates, and Benthic Macrofauna Populations New sections on the interstitial environment, seagrasses, human impacts and coastal zone management Examples drawn from virtually all parts of the world, considering all beach types from the most exposed to the most sheltered

Investigation Into the Morphodynamics of Stormwater Channels on Sandy Beaches

Investigation Into the Morphodynamics of Stormwater Channels on Sandy Beaches Book
Author : Matthew James Strachan
Publisher : Unknown
Release : 1993
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Investigation Into the Morphodynamics of Stormwater Channels on Sandy Beaches book written by Matthew James Strachan, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Encyclopedia of Coastal Science

Encyclopedia of Coastal Science Book
Author : Maurice Schwartz
Publisher : Springer Science & Business Media
Release : 2006-11-08
ISBN : 1402038801
Language : En, Es, Fr & De

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Book Description :

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.

Beach and Surf Zone Morphodynamics

Beach and Surf Zone Morphodynamics Book
Author : Andrew D. Short
Publisher : Unknown
Release : 1993
ISBN : 0987650XXX
Language : En, Es, Fr & De

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Book Description :

Download Beach and Surf Zone Morphodynamics book written by Andrew D. Short, available in PDF, EPUB, and Kindle, or read full book online anywhere and anytime. Compatible with any devices.

Sediment Fluxes in Coastal Areas

Sediment Fluxes in Coastal Areas Book
Author : Mohamed Maanan,Marc Robin
Publisher : Springer
Release : 2014-10-28
ISBN : 9401792607
Language : En, Es, Fr & De

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Book Description :

This book presents a detailed analysis and synthesis of the processes affecting sediments fluxes from watershed to worldwide coastal systems. The volume provides a comprehensive overview and constitutes a systematic description of the response of coastal systems to global and local changes, like climate change, sea level, land use and land cover change. The case studies cover a sequence of coastal environments such as lagoons, bays, estuaries, deltas and beaches. Sediment Fluxes in Coastal Areas is designed for researchers, professionals and for course-use in hydrology, oceanography, geography, geology, geomorphology and environmental science.

Shore Processes and their Palaeoenvironmental Applications

Shore Processes and their Palaeoenvironmental Applications Book
Author : Edward J. Anthony
Publisher : Elsevier
Release : 2008-11-21
ISBN : 9780080558868
Language : En, Es, Fr & De

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Book Description :

The last five years have been marked by rapid technological and analytical developments in the study of shore processes and in the comprehension of shore deposits and forms, and shoreline change over time. These developments have generated a considerable body of literature in a wide range of professional journals, thus illustrating the cross-disciplinary nature of shore processes and the palaeo-environmental dimension of shore change. The justification of the book lies in bringing together these developments using an objective approach that synthesises current advances, technical progress in the analysis of shores and shore processes, contradictory interpretations, and potential advances using future-generation developments in techniques. The book provides a comprehensive state-of-the-art presentation of shore processes and deposits across ranges of wave energy and tide-range environments, sediment supply and textural conditions, sea-level change, exceptional events and longer-term climate change, based on the most recently published literature in the marine sciences. The book insists on the nested time and spatial scales through which are inter-linked shore processes and deposits, thus providing a better understanding of the way shores change over time. The approach is thus cross-disciplinary, and gap-bridging between processes and deposits, between analytical techniques, and between timescales. The audience is from graduate level upwards, and the book is intended as a comprehensive reference source for professionals in a wide range of coastal science fields (geologists, sedimentologists, geomorphologists, oceanographers, engineers, managers, archaeologists...). * Aimed at graduates and specialists interested in coastal science * Presents background research, recent developments and future trends * Written by a leading scholar and industry expert

Sandy Beaches as Ecosystems

Sandy Beaches as Ecosystems Book
Author : A. McLachlan,T. Erasmus
Publisher : Springer Science & Business Media
Release : 2013-04-17
ISBN : 9401729387
Language : En, Es, Fr & De

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Book Description :

What sight is more beautiful than a high-energy beach facing lines of rolling white breakers? What battleground is more ferocious than where waves and sand meet? What environment could be more exciting to study than this sandy interface between sea and land? And yet how much do we know about sandy beaches? Open sandy beaches are amongst the most neglected fields of scientific study in the coastal environment. This situation exists despite their great extent along most temperate and tropical coastlines and their value as recreational areas and buffer zones against the sea. The traditional oceanographer does not venture into the surf zone while the terrestrial ecologist stops short at the high water mark. Only a few coastal engineers have grappled with the problem of sand and sediment movement as it influences their construction of harbours and pipelines. The marine biologist on the other hand has regarded estuaries, coral reefs and rocky shores, obviously teeming with life, as more fruitful areas for study than the apparently poor animal life on sandy beaches. Sandy beaches have therefore tended to become a scientific no man's land. Over the last decade this situation has begun to improve. Recent work on high-energy beaches has revealed that they may in fact be rich and productive and fertile areas for study. It has even been suggested that beaches and their adjacent surf zones may constitute viable marine ecosystems.