Recent Shoreline Changes Of The Oregon Coast

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Recent Shoreline Changes of the Oregon Coast

Author : J. E. Stembridge
Publisher :
ISBN 13 :
Total Pages : 53 pages
Book Rating : 4.:/5 (227 download)

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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.

Shoreline Changes Due to Jetty Construction on the Oregon Coast

Author : J. R. Lizarraga-Arciniega
Publisher :
ISBN 13 :
Total Pages : 106 pages
Book Rating : 4.:/5 (318 download)

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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.

Oregon Coast Shoreline Changes Due to Jetties

Author : Paul D. Komar
Publisher :
ISBN 13 :
Total Pages : 18 pages
Book Rating : 4.:/5 (274 download)

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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:

Shoreline Changes and Physiographic Hazards on the Oregon Coast

Author : James Edward Stembridge
Publisher :
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.:/5 (276 download)

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Book Synopsis Shoreline Changes and Physiographic Hazards on the Oregon Coast by : James Edward Stembridge

Download or read book Shoreline Changes and Physiographic Hazards on the Oregon Coast written by James Edward Stembridge and published by . This book was released on 1975 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:

National Assessment of Shoreline Change

Author :
Publisher :
ISBN 13 :
Total Pages : 72 pages
Book Rating : 4.:/5 (184 download)

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Book Synopsis National Assessment of Shoreline Change by :

Download or read book National Assessment of Shoreline Change written by and published by . This book was released on 2006 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Oregon Coastal Management Program

Author : Oregon. State Soil and Water Conservation Commission
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.3/5 (5 download)

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Book Synopsis Oregon Coastal Management Program by : Oregon. State Soil and Water Conservation Commission

Download or read book Oregon Coastal Management Program written by Oregon. State Soil and Water Conservation Commission and published by . This book was released on 1978 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This report summarizes the State Soil and Water Conservation Commission's examination of the Oregon Coastal Management Program's policies and procedures relating to the management of shoreline erosion"--Vol. 1, p. 1.

Oregon's Ever-changing Coastline

Author : Barbara A. Katz
Publisher :
ISBN 13 :
Total Pages : 8 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis Oregon's Ever-changing Coastline by : Barbara A. Katz

Download or read book Oregon's Ever-changing Coastline written by Barbara A. Katz and published by . This book was released on 1977 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sea-Level Rise for the Coasts of California, Oregon, and Washington

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309255945
Total Pages : 274 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Sea-Level Rise for the Coasts of California, Oregon, and Washington by : National Research Council

Download or read book Sea-Level Rise for the Coasts of California, Oregon, and Washington written by National Research Council and published by National Academies Press. This book was released on 2012-12-06 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tide gauges show that global sea level has risen about 7 inches during the 20th century, and recent satellite data show that the rate of sea-level rise is accelerating. As Earth warms, sea levels are rising mainly because ocean water expands as it warms; and water from melting glaciers and ice sheets is flowing into the ocean. Sea-level rise poses enormous risks to the valuable infrastructure, development, and wetlands that line much of the 1,600 mile shoreline of California, Oregon, and Washington. As those states seek to incorporate projections of sea-level rise into coastal planning, they asked the National Research Council to make independent projections of sea-level rise along their coasts for the years 2030, 2050, and 2100, taking into account regional factors that affect sea level. Sea-Level Rise for the Coasts of California, Oregon, and Washington: Past, Present, and Future explains that sea level along the U.S. west coast is affected by a number of factors. These include: climate patterns such as the El Niño, effects from the melting of modern and ancient ice sheets, and geologic processes, such as plate tectonics. Regional projections for California, Oregon, and Washington show a sharp distinction at Cape Mendocino in northern California. South of that point, sea-level rise is expected to be very close to global projections. However, projections are lower north of Cape Mendocino because the land is being pushed upward as the ocean plate moves under the continental plate along the Cascadia Subduction Zone. However, an earthquake magnitude 8 or larger, which occurs in the region every few hundred to 1,000 years, would cause the land to drop and sea level to suddenly rise.

An Analysis of a Survey of Oregon Coast Decision Makers Regarding Climate Change

Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis An Analysis of a Survey of Oregon Coast Decision Makers Regarding Climate Change by :

Download or read book An Analysis of a Survey of Oregon Coast Decision Makers Regarding Climate Change written by and published by . This book was released on 2009 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Oregon Beach Shoreline Mapping and Analysis Program

Author : Jonathan C. Allan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (863 download)

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Book Synopsis Oregon Beach Shoreline Mapping and Analysis Program by : Jonathan C. Allan

Download or read book Oregon Beach Shoreline Mapping and Analysis Program written by Jonathan C. Allan and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

National Shoreline Study, Inventory Report, Columbia-North Pacific Region, Washington and Oregon

Author : United States. Army. Corps of Engineers. North Pacific Division
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.3/5 (121 download)

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Book Synopsis National Shoreline Study, Inventory Report, Columbia-North Pacific Region, Washington and Oregon by : United States. Army. Corps of Engineers. North Pacific Division

Download or read book National Shoreline Study, Inventory Report, Columbia-North Pacific Region, Washington and Oregon written by United States. Army. Corps of Engineers. North Pacific Division and published by . This book was released on 1971 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1968, the 90th Congress authorized this national appraisal of shore erosion and shore protection. To satisfy the purposes of the authorizing legislation, a family of 12 related reports has been published. They are: Regional inventory reports; Shore protection guidelines; Shore management guidelines; and Report on the national shoreline study. This report presents an inventory of the physical characteristics, historical changes, and ownership and use of the coastal shorelines of Washington and Oregon, including major bays and estuaries.

The Pacific Northwest Coast

Author : Paul D. Komar
Publisher : Living with the Shore
ISBN 13 :
Total Pages : 224 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Pacific Northwest Coast by : Paul D. Komar

Download or read book The Pacific Northwest Coast written by Paul D. Komar and published by Living with the Shore. This book was released on 1997 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: While the coast of the Pacific Northwest becomes ever more populated and developed, its beaches and cliffs continue to be altered by ocean currents and winter storms. Coastal oceanographer Paul Komar reminds readers of the area's geological and cultural history and the ever-present problem of erosion. He issues an urgent call for changes in shoreline management and attitudes toward development. 41 figures. 20 maps. 112 photos.

Some Recent Physical Changes of the Oregon Coast

Author : Samuel Newton Dicken
Publisher :
ISBN 13 :
Total Pages : 318 pages
Book Rating : 4.:/5 (318 download)

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Book Synopsis Some Recent Physical Changes of the Oregon Coast by : Samuel Newton Dicken

Download or read book Some Recent Physical Changes of the Oregon Coast written by Samuel Newton Dicken and published by . This book was released on 1961 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some of the physical changes of the Oregon coast (from the California boundary to the Columbia River) which have occurred since settlement are discussed. Included are changes of the beaches and the immediate backshore, of the active dunes near the shore, and of the estuaries. Some discussion is of a more general nature, to place the specific studies in the proper perspective. The time span, arbitrarily chosen, is the period since white settlement, a little more than a century. This is the time for which historical records are available to document the nature of the changes. The purpose is to describe, measure, and explain some of the Oregon coast changes within the limitations of time and resources available. Special emphasis is placed on the beaches, dunes, and tidal marshes in the estuaries, where changes have occurred and are occurring. Many aspects of these three categories and many lines of investigation had to be left unstudied. (Author).

Coastal Shoreline Change Study, Northern and Central Lincoln County, Oregon

Author : George R. Priest
Publisher :
ISBN 13 :
Total Pages : 19 pages
Book Rating : 4.:/5 (38 download)

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Book Synopsis Coastal Shoreline Change Study, Northern and Central Lincoln County, Oregon by : George R. Priest

Download or read book Coastal Shoreline Change Study, Northern and Central Lincoln County, Oregon written by George R. Priest and published by . This book was released on 1997 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Shoreline Mapping and Change Analysis

Author : Mark R. Brynes
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Shoreline Mapping and Change Analysis by : Mark R. Brynes

Download or read book Shoreline Mapping and Change Analysis written by Mark R. Brynes and published by . This book was released on 2003 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Coastal Processes and Shoreline Erosion on the Oregon Coast, Cascade Head to Cape Kiwanda

Author : Jonathan C. Allen
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (566 download)

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Book Synopsis Coastal Processes and Shoreline Erosion on the Oregon Coast, Cascade Head to Cape Kiwanda by : Jonathan C. Allen

Download or read book Coastal Processes and Shoreline Erosion on the Oregon Coast, Cascade Head to Cape Kiwanda written by Jonathan C. Allen and published by . This book was released on 2004 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Oregon's Best Coastal Beaches

Author : Dick Trout
Publisher :
ISBN 13 : 9781571883643
Total Pages : 0 pages
Book Rating : 4.8/5 (836 download)

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Book Synopsis Oregon's Best Coastal Beaches by : Dick Trout

Download or read book Oregon's Best Coastal Beaches written by Dick Trout and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Beautiful and unique rock formations, crashing waves, and long stretches of pristine beaches. Oregon's coastline is one of the most beautiful and dramatic in the world. From Fort Stevens State Park at the mouth of the Columbia River to Crissey Field State Recreation Site on the southern border with California, Oregon's Best Coastal Beaches shares the facilities, amenities, and activities for beaches on the Oregon coast. Information provided for each beach, includes a scenic photo, accessibility, parking, camping, restrooms, phones, horseback riding, hiking, biking, tidepooling, whale watching, even an aerial shot that gives you the lay of the land and provides geographical reference to Highway 101 or other coastal roads. In Oregon's Best Coastal Beaches, you?ll find everything you need to explore and enjoy Oregon's beautiful coastline.