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Shoreline Changes Due To Jetty Construction On The Oregon Coast
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Book Synopsis Shoreline Changes Due to Jetty Construction on the Oregon Coast by : J. R. Lizarraga-Arciniega
Download or read book Shoreline Changes Due to Jetty Construction on the Oregon Coast written by J. R. Lizarraga-Arciniega and published by . This book was released on 1975 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt: Patterns of beach erosion and accretion due to jetty construction are examined for the coast of Oregon. All jetty systems are included with the exception of those on the Columbia River, making a total of nine systems. All evidence indicates that these areas of the Oregon coast are experiencing a seasonal reversal in the sand drift, but with a zero or near zero net drift over a several years time span. Thus, shoreline changes resulting from jetty construction are not the usual examples of jetties blocking a net drift as found in southern California and elsewhere. In general, accretion of the shoreline took place adjacent to the jetties following their construction, both to the north and south. This accretion resulted mainly from the embayment formed between the jetty and the pre-jetty shoreline, the embayment becoming filled until the shoreline is straight and again in equilibrium with the waves such that there is a zero net sand drift. In some cases, as at the entrance to Yaquina Bay, the jetties are oblique to the trend of the shoreline and so produced a protected zone from the waves where accretion could occur. Sand for the accretion adjacent to the jetties was derived from beach erosion at greater distances from the jetties. The severity of the erosion depended on the total amount of sand required for the beach accretion to a new equilibrium, and the length of beach that was undergoing erosion. When only a short stretch of beach occurs to one side of the jetties, as at Bayocean Spit, then the resulting erosion was particularly severe, in that case leading to the breaching of the spit. A computer model is developed to simulate the shoreline changes that occurred following construction of the jetties on the Siuslaw River mouth. The model demonstrates deposition next to the jetty to fill the embayment created by the jetty, and erosion at greater distances from the jetty. The shoreline advances of the model agreed closely with the actual shoreline changes found in surveys following jetty construction.
Book Synopsis Oregon Coast Shoreline Changes Due to Jetties by : Paul D. Komar
Download or read book Oregon Coast Shoreline Changes Due to Jetties written by Paul D. Komar and published by . This book was released on 1976 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effectiveness of Spur Jetties at Siuslaw River, Oregon by : Cheryl E. Pollock
Download or read book Effectiveness of Spur Jetties at Siuslaw River, Oregon written by Cheryl E. Pollock and published by . This book was released on 1995 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Biological Impacts of Minor Shoreline Structures on the Coastal Environment by : Beak Consultants (Portland, Or.)
Download or read book Biological Impacts of Minor Shoreline Structures on the Coastal Environment written by Beak Consultants (Portland, Or.) and published by . This book was released on 1980 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Final Report to Congress by : United States. Army. Corps of Engineers
Download or read book Final Report to Congress written by United States. Army. Corps of Engineers and published by . This book was released on 1981 with total page 450 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses in the Pure and Applied Sciences by : Wade H. Shafer
Download or read book Masters Theses in the Pure and Applied Sciences written by Wade H. Shafer and published by Springer Science & Business Media. This book was released on 2013-11-21 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: Masters Theses in the Pure and Applied Sciences was first conceived, published, and dis seminated by the Center for lnformation and Numerica/ Data Analysis and Synthesis (C/NDAS) * at Purdue University in 1957, starting its coverage of theses with the academic year 1955. Beginning with Volume 13, the printing and dissemination phases of the ac tivity were transferred to University Microfilms/Xerox of Ann Arbor, Michigan, with the thought that such an arrangement would be more beneficia! to the academic and general scientific and technical community. After fi ve years of this joint undertaking we had concluded that it was in the interest of ali concerned if the printing and distribution of the volume were handled by an international publishing house to assure improved service and broader dissemination. Hence, starting with Volume 18, Masters Theses in the Pure and App/ied Sciences has been disseminated on a worldwide basis by Plenum Publishing Corporation of New York, and in the same year the coverage was broadened to include Canadian universities. Ali back issues can also be ordered from Plenum. We have reported in Volume 21 (thesis year 1976) a total of 10,586 theses titles from 25 Canadian and 219 United States universities. We are sure that this broader base for theses titles reported will greatly enhance the value of this important annual reference work.
Book Synopsis Chetco Dredged Material Disposal Site Designation by :
Download or read book Chetco Dredged Material Disposal Site Designation written by and published by . This book was released on 1991 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rogue River, Ocean Dredged Material Disposal Site (ODMDS) Designation by :
Download or read book Rogue River, Ocean Dredged Material Disposal Site (ODMDS) Designation written by and published by . This book was released on 1991 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Ecological Characterization of the Pacific Northwest Coastal Region: Characterization atlas-watershed unit descriptions by :
Download or read book An Ecological Characterization of the Pacific Northwest Coastal Region: Characterization atlas-watershed unit descriptions written by and published by . This book was released on 1980 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Coastal Environments by : R. W.G. Carter
Download or read book Coastal Environments written by R. W.G. Carter and published by Elsevier. This book was released on 2013-10-22 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: This original volume draws on the author's own research experiences in Ireland, Britain, France, Canada, and the United States to present a guide of coastal environments for applications of shoreline and environmental management. Topics include: long-term development of coasts, water supply and waste disposal, energy resources and coastal water management, coastal water management for recreation, coastal management of storm hazards, and managing world sea-level rise.
Book Synopsis Developments and Applications of Geomorphology by : J. E. Costa
Download or read book Developments and Applications of Geomorphology written by J. E. Costa and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 427 pages. Available in PDF, EPUB and Kindle. Book excerpt: The last decade has seen a remarkable increase in the application of geomorphology for numerous projects and investigations. Geomor phology is now viewed as an indispensable partner of engineering and geology in the world of applied science. For a discipline with few independent theories of its own, geomorphology has become a cosmopolitan science, drawing on many topics from allied sciences. To compile a list of successful and viable applications and contribu tions would be an arduous chore, if not an impossible task. Instead we have compiled a set of invited papers that represent some of the practical developments and uses of geomorphology over the past de cade. Such a compilation of papers will reflect our own back grounds, biases, associations, and personal and professional expe riences. We make no apologies for the topics omitted, but recognize that this volume could be prohibitively large if all the subdivisions of geomorphology were equally and fully covered. Our goal in assembling the papers for this volume was to empha size the concepts, principles, and applications of geomorphology. While techniques, procedures and practical applications are stressed, the reason for each investigation is as important as the method em ployed. This book, therefore, represents the methods used and reasons for applying geomorphology. Where case studies are used, they serve as examples that can be applied in related situations, similar settings and other locations. The authors have successfully addressed this goal in a broad selection of chapter topics.
Download or read book Sea Grant Publications Index written by and published by . This book was released on 1974 with total page 944 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Miscellaneous Report - Coastal Engineering Research Center by : Coastal Engineering Research Center (U.S.)
Download or read book Miscellaneous Report - Coastal Engineering Research Center written by Coastal Engineering Research Center (U.S.) and published by . This book was released on 1976 with total page 832 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Coastal Processes and Erosion by : Paul D. Komar
Download or read book Handbook of Coastal Processes and Erosion written by Paul D. Komar and published by CRC Press. This book was released on 2018-02-06 with total page 316 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.
Download or read book Technical Report CERC written by and published by . This book was released on 1983 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Jetty Extension, Siuslaw River, Oregon by :
Download or read book Jetty Extension, Siuslaw River, Oregon written by and published by . This book was released on 1982 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Recent Shoreline Changes of the Oregon Coast by : J. E. Stembridge
Download or read book Recent Shoreline Changes of the Oregon Coast written by J. E. Stembridge and published by . This book was released on 1976 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent efforts to determine worldwide patterns of shoreline change have been stimulated by growing property losses from such coastal problems as erosion, flooding, and storm surges. Much of the damage stems directly from the growing intensity of construction and development along coastlines, among the most hazardous of the world's environments. But losses in many locations have been inexplicably large, raising speculation that changing patterns of shoreline erosion may be partially responsible. Although the 500-kilometer-long Oregon coast has been classified as retrograding-submergent and displays landforms deserving of such a classification, measurable retrograding within the past century has been confined to a relatively small part of the shoreline. Comparison of early maps and 1939 air photos with more recent imagery indicates that most of the sandy shore has been stable, with some evidence of isolated prograding.
