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Author : Craig H. Everts
Publisher :
ISBN 13 :
Total Pages : 98 pages
Book Rating : 4.3/5 (121 download)
Download or read book Seacliff Erosion and Its Sediment Contributions written by Craig H. Everts and published by . This book was released on 1995 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shyuer-ming Shih
Publisher :
ISBN 13 :
Total Pages : 270 pages
Book Rating : 4.:/5 (322 download)
Download or read book Processes of Sea-cliff Erosion on the Oregon Coast written by Shyuer-ming Shih and published by . This book was released on 1992 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sea-cliff erosion is a significant problem along the Oregon coast in that many communities have been built on terraces affected by bluff retreat. There is considerable coast-wide variability in the rates of cliff erosion. This variability is attributed in part to tectonic activity that is causing differential interseismic uplift along the coast. Analyses of geodetic survey data and tide gauge measurements have established rates of local sea-level rise along the entire coast, including areas lacking direct tide measurements. A littoral cell around the Lincoln City area on the central Oregon Coast is experiencing the smallest degree of tectonic uplift and this results in the highest rate of local sea-level rise and significant sea-cliff erosion. High cliffs cut into a Pleistocene marine terrace, consisting of semi-consolidated sands, back the beaches over the length of the littoral cell and supply coarse-grained sands to the beaches in the south of the cell. Dissections of multimodal grain-size distributions of the beach and cliff sands have shown that coarse-fraction modes are resistant to longshore wave dispersion, and this produces a marked longshore variation in the coarseness of beach sand, in the beach morphology, and in the nearshore processes affecting the cliff-toe erosion. Two years of monthly beach-profile surveys at eleven beaches along the Lincoln City littoral cell have shown that there is a significant difference in volumetric changes between beaches of different sand sizes. The coarse-grained reflective beaches are much more dynamic in profile changes, and the total quantity of sand moved under a given storm is much greater than on the fine-grained dissipative beaches. Rip-current embayments are also more important to cliff erosion o the reflective beach, producing bluff retreat that has a high degree of spatial variability and is extremely episodic. Risk assessments based on the probability curve of the extreme run-up have demonstrated that the height of the cliff-beach junction and the beach slope are important factors in controlling the risk of cliff-toe erosion. Run-up measurements using video techniques on three beaches having contrasting morphologies suggest that the maximum run-up calculation based on the empirical relationship derived by Holman and Sallenger (1985) appears to be valid, although the permeability effects might have contributed to a significance deviation in the prediction of maximum run-up on a sediment-starved beach.
Author : United States. Beach Erosion Board
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Source, Transportation, and Deposition of Beach Sediment in Southern California written by United States. Beach Erosion Board and published by . This book was released on 1951 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Roger H. Charlier
Publisher : Springer
ISBN 13 : 3540494057
Total Pages : 372 pages
Book Rating : 4.5/5 (44 download)
Download or read book Coastal Erosion written by Roger H. Charlier and published by Springer. This book was released on 2006-04-10 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: The coastal zone is subject to strong pressures from a large number of users. Populations are migrating to it in large numbers. Industry wants to exploit it for its space, water and manpower. Aggregate miners want to exploit mineral resources and health centers are multiplying. It is a favorite area for tourism and recreation worldwide. The zone can boom economically. However, coastlines are progressively receding worldwide, making the zone fragile, vulnerable, and unstable. The book presents methods of coastal protection and beach restoration and offers solutions to the various problems.
Author : Paul D. Komar
Publisher : Springer
ISBN 13 :
Total Pages : 330 pages
Book Rating : 4.3/5 (91 download)
Download or read book Hdbk Coastal Processes & Erosion written by Paul D. Komar and published by Springer. This book was released on 1983 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this book is to focus on the physical processes that cause coastal erosion.Many scientists and engineers have focused their research on the entire range of physical processes from the waves and the currents in the nearshore to the response of the beach, via sand transport, resulting in a changing coastal morphology. Of these many processes, this book focuses only on those which directly relate the generation of coastal erosion. Some chapters deal exclusively with the physical processes, while others provide examples of erosion problems although most of the chapter topics have clear implications for issues of coastal-zone management, these issues are not belaboured as several other books are already available in this area. The objective is to provide state-of-the-art presentation of the science of coastal erosion processes.
Author : James Kenneth Mitchell
Publisher :
ISBN 13 :
Total Pages : 238 pages
Book Rating : 4.3/5 (5 download)
Download or read book Community Response to Coastal Erosion written by James Kenneth Mitchell and published by . This book was released on 1974 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309164532
Total Pages : 188 pages
Book Rating : 4.3/5 (91 download)
Download or read book Mitigating Shore Erosion Along Sheltered Coasts written by National Research Council and published by National Academies Press. This book was released on 2007-04-04 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Like ocean beaches, sheltered coastal areas experience land loss from erosion and sea level rise. In response, property owners often install hard structures such as bulkheads as a way to prevent further erosion, but these structures cause changes in the coastal environment that alter landscapes, reduce public access and recreational opportunities, diminish natural habitats, and harm species that depend on these habitats for shelter and food. Mitigating Shore Erosion Along Sheltered Coasts recommends coastal planning efforts and permitting policies to encourage landowners to use erosion control alternatives that help retain the natural features of coastal shorelines.
Author : Roger H. Charlier
Publisher :
ISBN 13 : 9783662189252
Total Pages : 368 pages
Book Rating : 4.1/5 (892 download)
Download or read book Coastal Erosion written by Roger H. Charlier and published by . This book was released on 2014-01-15 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Erk Reimnitz
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.:/5 (123 download)
Download or read book Beaufort Sea Coastal Erosion, Shoreline Evolution, and Sediment Flux written by Erk Reimnitz and published by . This book was released on 1985 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Malcolm J. Bray
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)
Download or read book Cliff erosion contribution to the sediment budgets of cells along the South Coast of England written by Malcolm J. Bray and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.D. Milliman
Publisher : Springer Science & Business Media
ISBN 13 : 9401587191
Total Pages : 392 pages
Book Rating : 4.4/5 (15 download)
Download or read book Sea-Level Rise and Coastal Subsidence: Causes, Consequences, and Strategies written by J.D. Milliman and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Greenhouse-induced climate warming increasingly appears to be a reality, and the warming climate will be accompanied by an accelerated sea level rise - as much as 60-100 cm over the next century. What is commonly absent in the discussion of rising sea level, however, is the role played by the subsidence of low-lying coastal areas, which can have a far greater local effect than the eustatic rise of the sea. The combined sea-level rise and land subsidence will almost certainly make the greatest impact on coastal societies in the densely populated regions of southern Asia, but its effects will be felt globally. This volume explores the concepts of sea-level rise and coastal subsidence, both natural and anthropogenically accelerated, in the form of a series of case studies in such diverse locations as Bangkok, Bangladesh, Venice, and the Niger and Mississippi deltas, as well as a discussion of the economic, engineering and policy responses that must be considered if the effects of local sea-level rise are to be mitigated.
Author : Patrick Thomas Rentz
Publisher :
ISBN 13 : 9781124315362
Total Pages : 67 pages
Book Rating : 4.3/5 (153 download)
Download or read book The Influence of Tectonics, Sea Level, and Sediment Supply on Coastal Morphology in the Oceanside Littoral Cell, CA written by Patrick Thomas Rentz and published by . This book was released on 2010 with total page 67 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two studies, conducted within the Oceanside littoral cell, reveal how different earth processes (i.e. climatic, fluvial, and tectonic) affect and control both marine and subaerial morphology. The first study uses terrestrial LIDAR techniques to record changes in subaerial beach sediment due to seasonal transitions, on the San Luis Rey rivermouth in Oceanside, CA. The study period spanned from winter to fall in 2008, so the majority of the data represents the transition from a winter to summer beach profile. A reversal in the seasonal accumulation trend (observed from April-May 2008) may be the result of two erosional wave events, with one occurring concurrently with increased precipitation and river discharge from the San Luis Rey River. The occurrence of two directionally favorable wave events, the second of which occurred during a pulse in precipitation and a slight increase in river discharge, appears to have caused sufficient beach erosion to reverse the seasonal accumulation trend. The second study used high resolution CHIRP seismic reflection data, collected offshore, to provide new insights into tectonic control on coastal morphology and regional shelf width. Within the Oceanside littoral cell, a marked change in shelf width is observed and may be a result of faulting and folding in the region associated with splays off the Cristianitos Fault. There is an abrupt transition in the geology onshore, exposed in the sea cliffs. The tectonic feature responsible for the observed placement of adjacent geologic formations is proposed to be an oblique slip fault.
Author : Louis Lee
Publisher :
ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (129 download)
Download or read book Sea Cliff Base Erosion written by Louis Lee and published by . This book was released on 1976* with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Netherhall Software
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (263 download)
Download or read book Sea cliff erosion written by Netherhall Software and published by . This book was released on 1984 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This program is a simulation of the formation of sea cliffs. It allows the user to control the major determinants - wave action, weathering rates and rock types - to assess the relationship between these and cliff profile.
Author : Nina Furcic
Publisher :
ISBN 13 : 9788855181471
Total Pages : 0 pages
Book Rating : 4.1/5 (814 download)
Download or read book Chapter Impact of cliff erosion on marine sediment composition - indication of local coastline evolution (Vrgada Island, Croatia). written by Nina Furcic and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Erosive coastal cliffs formed in soft-rocks sediments along the generally carbonaceous Eastern Adriatic are a rare feature. The one from the Vrgada Island gave rise to the idea that local seabed surface sediment may reflect the composition of the cliff sediment. First results of sedimentological analyses showed that sediment samples collected on both sides of the cliff contain material eroded mostly from the eastern side of the cliff. Subsequent longshore drift caused by dominant waves likely sort fallen material, transporting its finer fractions to the northern side and further into the sea.
Author : Diana Weber
Publisher :
ISBN 13 :
Total Pages : 262 pages
Book Rating : 4.:/5 (451 download)
Download or read book Relative Contribution of Sediment from Upland and Channel Erosion written by Diana Weber and published by . This book was released on 2000 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Robert Alexander Young
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (21 download)
Download or read book Flow and Sediment Properties Influencing Erosion of Fine-grained Marine Sediments written by Robert Alexander Young and published by . This book was released on 1975 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
