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Morphodynamics Of A Mixed Sand And Gravel Beach
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Book Synopsis Morphodynamics of Mediterranean Mixed Sand and Gravel Coasts by : Miguel Ortega-Sánchez
Download or read book Morphodynamics of Mediterranean Mixed Sand and Gravel Coasts written by Miguel Ortega-Sánchez and published by Springer. This book was released on 2017-01-07 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Natural and Anthropogenic Influences on the Morphodynamics of Sandy and Mixed Sand and Gravel Beaches by : Tiffany Roberts
Download or read book Natural and Anthropogenic Influences on the Morphodynamics of Sandy and Mixed Sand and Gravel Beaches written by Tiffany Roberts and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The morphodynamics of a mixed sand and gravel beach in Delaware were investigated based on 740 beach profiles surveyed almost monthly from 2009 to 2011, 60 sediment cores, and 550 surface sediment samples collected at various alongshore and cross-shore transects. Inter-seasonal temporal scales of storm-induced beach changes and post-storm recovery were examined based on a hurricane, a typical energetic winter storm, and an extremely energetic storm resulting from the rare collision of a hurricane and winter storm ("Nor'Ida") occurring within a 3-month period in 2009. The mixed sand and gravel beaches in Delaware are characterized by monotonically increasing water depths lacking a sandbar under all wave conditions. A distinctive beach cycle was identified consisting of a built-up berm profile and depleted nearly-planar storm profile, with a time-scale related to the frequency and intensity of storm impact and duration of intra-storm recovery instead of simple seasonality. The sedimentological characteristics of the storm deposit associated with Nor'Ida demonstrated substantial cross-shore variation ranging from sandy-gravel and gravelly-sand within the storm swash zone (near the pre-storm dune edge) to well-sorted medium to coarse sand seaward of the storm swash zone, suggesting that storm deposits along mixed beaches demonstrate a variety of sedimentological characteristics. A new dynamic beach cycle model is proposed for the non-barred mixed sand and gravel beach with temporal variability controlled by storm occurrence and inter-storm duration.
Book Synopsis Sandy Beach Morphodynamics by : Derek Jackson
Download or read book Sandy Beach Morphodynamics written by Derek Jackson and published by Elsevier. This book was released on 2020-05-19 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Book Synopsis Morphodynamics of a Mixed Sand and Gravel Beach by : Mark Gregory Siemelink
Download or read book Morphodynamics of a Mixed Sand and Gravel Beach written by Mark Gregory Siemelink and published by . This book was released on 1984 with total page 254 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Morphodynamics and Sedimentary Architecture of Mixed Sand and Gravel Beaches, Suffolk, U.K. by : Nigel Ian Pontee
Download or read book The Morphodynamics and Sedimentary Architecture of Mixed Sand and Gravel Beaches, Suffolk, U.K. written by Nigel Ian Pontee and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Movement of Beach Sand written by and published by Elsevier. This book was released on 2011-08-26 with total page 233 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Movement of Beach Sand
Book Synopsis Handbook of Beach and Shoreface Morphodynamics by : Andrew D. Short
Download or read book Handbook of Beach and Shoreface Morphodynamics written by Andrew D. Short and published by John Wiley & Sons. This book was released on 1999 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: A highly readable book on the nature of beaches, including thedynamics of the shoreface, surf, swash and backbeach, and globallyat the regional variations in beach systems from the tropics to thepoles. The beach and adjacent shoreface are the most dynamic part of theEarth's surface. They represent a narrow zone where waves, tidesand winds continously interact, producing, wherever sediment isavailable, hundreds of thousands of kilometres of beach systems.Beaches are also the focus of intense pressure from users anddevelopers, and for these reasons alone a knowledge of beachsystems and their morphodynamics is critical to their sustainablemanagement. This book is the first to: * provide an in-depth and holistic view of beach systems, lookingboth in detail at the different beach zones and globally at rangeof parameters influencing regional variation * examine the relationship between beaches and ancillary dunesystems and includes chapters on beach ecology, safety,stratification and barrier evolution. The book is designed for use in the classroom and the office, beingaimed at university level students and coastal professioanls.
Book Synopsis Morpho-sedimentary Dynamics of a Megatidal, Mixed Sand-gravel Beach by : Tristan Guest
Download or read book Morpho-sedimentary Dynamics of a Megatidal, Mixed Sand-gravel Beach written by Tristan Guest and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sediment dynamics on mixed sand-gravel (MSG) beaches have received much less attention in the literature than on sandy beaches. The steep slopes characteristic of MSG beaches result in an energetic shorebreak, accompanied by ballistic transport of gravel- and cobble-sized grains. The associated risks of damage to \textit{in situ} instrumentation have contributed to the relative scarcity of observational data. A central goal of this thesis is to contribute new knowledge and understanding of morphodynamic responses to wave forcing on MSG beaches through the use of innovative, inexpensive sensing systems not exposed to the rigours of the shorebreak. The studies were carried out at Advocate Beach, Nova Scotia, a 1:10 slope megatidal MSG beach at the head of the Bay of Fundy. The principal results are presented in four chapters. First, the vertical structure of surface gravity wave-induced pore pressure in the intertidal zone is investigated using a coherent array of buried pressure sensors. A key finding is that the phase of the pore pressure lags the pressure at the sediment surface. This phase lag is shown to be due to the presence of bubbles within the sediment column, which has implications for using buried pressure sensors for surface gravity wave measurement in the intertidal zone on MSG beaches. Second, video observations are used to characterise beach cusp morphodynamics at high temporal resolution. The timescale of cusp evolution is shown to be O(10) minutes. Importantly, the cusps exhibit pronounced bay/horn size segregation, indicating strong feedback between the hydrodynamics and cusp formation on MSG beaches. In the third main chapter, correlations between bed level and the surficial mean grain size are investigated using GPS and photographic surveys of the intertidal beach. Finally, the coevolution of bed level and grain size is investigated in the swash zone using an array of collocated acoustic range sensors and cameras, and Lagrangian tracking of painted cobbles is utilised to study grain size segregation at the swash scale. The results are discussed in the context of a morpho-sedimentary dynamics framework, emphasising the intrinsic interrelationships between morphology, flow, and the broad surficial grain size distribution.
Book Synopsis Beach and Surf Zone Morphodynamics by : Andrew D. Short
Download or read book Beach and Surf Zone Morphodynamics written by Andrew D. Short and published by . This book was released on 1993 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis River Mouth Processes and Morphodynamics on a Mixed Sand-gravel Beach by : Adam Karl Paterson
Download or read book River Mouth Processes and Morphodynamics on a Mixed Sand-gravel Beach written by Adam Karl Paterson and published by . This book was released on 2000 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beach Cycles in Southern California by : United States. Beach Erosion Board
Download or read book Beach Cycles in Southern California written by United States. Beach Erosion Board and published by . This book was released on 1950 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beaches in Space and Time by : Dr. Richard A. Davis Jr.
Download or read book Beaches in Space and Time written by Dr. Richard A. Davis Jr. and published by Rowman & Littlefield. This book was released on 2015-02-01 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beaches in Space and Time features a section on the most beautiful and interesting beaches in the world, and is the ideal book for anyone who wants to learn more about them. Written by a world-renowned expert on beaches, the book covers a wide range of topics, including the geology, hydrodynamics, sedimentation, coastal engineering, and economics of beaches. The book also delves into core information regarding hydrodynamics, sediment transport, and beach nourishment. The profusion and variety of illustrations from around the entire globe offer a unique perspective on coastal life, and even the many recreational, sports, and military uses of beaches are included.
Book Synopsis Experimental Investigation of Wave-induced Morphological Changes of Gravel Beaches by : Audur Atladottir
Download or read book Experimental Investigation of Wave-induced Morphological Changes of Gravel Beaches written by Audur Atladottir and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gravel beaches are widespread around the North-Atlantic Ocean shorelines and can also be found along the coastlines of New Zealand, Russia and the Pacific shore of USA. Over the past decades, researchers in coastal morphodynamics have placed their emphasis on studying sand beaches but gravel material is being used more frequently to nourish eroding sand beaches. The present thesis aims to advance the understanding of the behaviour of gravel beaches under wave attack. A two-dimensional physical model was developed for gravel beach applications. Regular and irregular waves were considered as well as two different initial beach slopes. An extensive analysis was performed on the time history of the waves, beach morphology, wave reflection and energy dissipation. Additional geotechnical analysis was also performed in order to identify the characteristics of the beach material. Wave height, wave period, wave duration and initial beach slope were all found to influence beach deformation and wave reflection pattern.
Book Synopsis The Morphodynamics of a Sand and Gravel Barrier, Southern Hawke Bay, North Island, New Zealand by : John Leslie White
Download or read book The Morphodynamics of a Sand and Gravel Barrier, Southern Hawke Bay, North Island, New Zealand written by John Leslie White and published by . This book was released on 2005 with total page 618 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Morphology and Morphodynamics of a Bay Head Sand Beach, Okains Bay, Banks Peninsula by : Wayne John Stephenson
Download or read book Morphology and Morphodynamics of a Bay Head Sand Beach, Okains Bay, Banks Peninsula written by Wayne John Stephenson and published by . This book was released on 1992 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Beach and Shoreface Morphodynamics by : Andrew D. Short
Download or read book Beach and Shoreface Morphodynamics written by Andrew D. Short and published by . This book was released on 1999 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mixed Sand and Gravel Beaches by : Amanda Holland
Download or read book Mixed Sand and Gravel Beaches written by Amanda Holland and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
