Last edited by Jukree
Monday, November 16, 2020 | History

2 edition of Inventory, Oregon coastal shoreline erosion. found in the catalog.

Inventory, Oregon coastal shoreline erosion.

Oregon. State Soil and Water Conservation Commission.

Inventory, Oregon coastal shoreline erosion.

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  • 12 Currently reading

Published by State Soil and Water Conservation Commission in Salem .
Written in English

    Subjects:
  • Coast changes -- Oregon.,
  • Erosion -- Oregon.

  • Edition Notes

    ContributionsStembridge, Jim., Bayless, Terry.
    The Physical Object
    Paginationv. :
    ID Numbers
    Open LibraryOL17730931M

    As discussed in Chapter 1, coastal erosion is often defined in terms of the movement of shore contours, and can be caused either by sea-level rise or by removal of geologic materials that make up the shoreline. Because rising sea level exposes portions of the shoreline to actions of waves and current, sea-level rise can exacerbate erosion.


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Inventory, Oregon coastal shoreline erosion. by Oregon. State Soil and Water Conservation Commission. Download PDF EPUB FB2

ABOUT SHOREZONE ShoreZone takes a close-up inventory of the biology and geology of North America’s Pacific coast from Oregon to Alaska and in-between. People use the coastal data, imagery, and maps to manage the coast for the benefit of the many. Further, although Goal 17 states a preference for alternatives to shoreline structures riprap remains the preferred actual response to dune and bluff erosion.

Public Education Program. Oregon utilizes books, signs, maps, and websites to educate the public about coastal erosion, beach fill, shoreline structures, and related issues. Coastal erosion is a natural process that continually affects the Oregon coast.

Erosion becomes a hazard when human development or public safety is threatened. Beaches, sand spits, dunes, and bluffs are constantly affected by waves, currents, tides, and storms, resulting in chronic erosion, landslides, and flooding.

analyze and integrate current public policy regarding coastal erosion and shoreline armoring with the latest relevant geospatial and natural science information (including predicted impacts of climate change), in order to understand the most vulnerable coastal areas.

The Oregon coast is currently about 5% armored ( miles). The objective of this book is to focus on the physical processes that cause coastal 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.

Many beaches along the Pacific Northwest coast have experienced increased erosion since the late s. So says the U.S. Geological Survey, which is working with Oregon. Coastal Engineering Inventory. A reconnaissance-level investigation, analysis and inventory of coastal engineering projects in ten coastal national parks was completed by the Program for the Study of Developed Shorelines at Western Carolina University with funding provided by the National Park Service Recreation Fee Program.

Oregon has a long and tortured history with people pushing the bounds of shoreline safety. Perhaps the most famous example is the demise of Bayocean, sometimes referred to "the town that fell into. nature. A living shoreline is an example of a nature-based feature.

• Structural measures: Structural measures include sea walls, groins and breakwaters. These features reduce coastal risks by decreasing shoreline erosion, wave damage, and flooding.

• Non-structural measures: Includes modifications in. its junction with Oregon State (FAS ) to its junction with the Oregon Coast Highway, near Bandon; and 2.

All lands within an area defined by a line measured horizontally (a) feet from the shoreline of estuaries; and (b) feet from the shoreline of coastal lakes. COMPREHENSIVE PLAN REQUIREMENTS Based upon inventories.

Erosion can threaten buildings and roads resulting in a desire to "harden" the shoreline against wave attack. At the same time, Oregonians have always considered the ocean beach to be a public resource and legacy, and shoreline armoring, while sometimes able to protect private property, can have negative effects on the public beach.

the segment of shoreline is expanding. Along the Oregon coast, potential sources of sand include rivers, bluffs, dunes, and the inner shelf. Potential sinks include, bays, dunes, offshore dredging, and mining.

Attention is often focused on the effects of beach and dune erosion. Yet, there are seg-ments of Oregon’s coast where the principal. Introduction. Erosion response is a measure of how well a state's policies and procedures limit the extent of shoreline armoring, unsafe coastal development, and costly beach nourishment projects, and conduct preemptive planning for sea level rise.

Then, according to historical information on the shoreline transformation and on the direction of wave propagation, the model predicts the changes of each line segment so to derive the next shoreline. A map of the beach profile evolution is depicted to compare the time trend and the level of coastal erosion risk.

Get this from a library. National Shoreline Study. Inventory Report. Alaska Region. [CORPS OF ENGINEERS PORTLAND OREG NORTH PACIFIC DIV.;] -- Inthe 90th Congress authorized this National appraisal of shore erosion and shore protection needs.

This National Shoreline Study and the existing Federal shore protection programs recognize. Inventory. The Long Island Sound Coastal Management Program found that 50% of the Sound’s Information on coastal erosion, coastal Exploring the possible uses of natural materials such as sand and vegetation for shoreline erosion management was the focus of the Great Lakes Nature-Based Shorelines Workshop in November organized by.

Oregon's ocean beaches are managed by the Oregon Parks and Recreation Department (OPRD) which has an extensive permitting program for shoreline protection under ORS –also known as the "Beach Bill." OPRD regulates activities affecting the ocean shorelands west of the statutory vegetation line or the line of established vegetation.

The Oregon Inlet Terminal Groin was completed in The groin was built to provide protection to the bridge crossing the inlet. A detailed monitoring program has analyzed shoreline position with the use of aerial photographs collected every two months.

Shoreline erosion in coastal Louisiana: inventory and assessment: final report to Louisiana Department of Transportation and Development Inventory of Existing Habitat and Water Quality Monitoring, and Mapping Metadata for Gulf of Mexico Programs.

Corporate Authors: "InCongress enacted Section of the Coastal Zone Act. Oregon's ocean beaches are managed by the Oregon Parks and Recreation Department (OPRD) which has an extensive permitting program for shoreline protection under ORS –also known as the "Beach Bill." OPRD regulates activities affecting the ocean shorelands west of the statutory vegetation line or the line of established.

Sea level rose during the 20th century, and observations and projections suggest that it will rise at a higher rate during the 21st century. Rising seas increase the risk of coastal flooding, storm surge inundation, coastal erosion and shoreline retreat, and wetland loss.

The cities and. To support the planning efforts a GIS inventory was created to spatially examine erosion hotspots and aid stakeholders in planning for future chronic and catastrophic erosion events.

The GIS combines a physical, cultural, and hazards inventory, a shoreline change analysis, and coastal hazard risk assessment into a decision support tool to. cuspate forelands, rocky coasts, etc), shoreline type (open coast or bay or estuary shoreline), and oceanographic and coastal processes.

Areas of critical erosion were further divided into four priorities based on the time until erosion affects the life safety and property of coastal residents in these areas (U.S. Army, a). Shoreline erosion in coastal Louisiana inventory and assessment: final report to Louisiana Department of Transportation and Development Published by Louisiana State University Center for Wetland Resources in [Baton Rouge].

Written in English. The Oregon Department of Geology and Mineral Industries (DOGAMI) used coastal erosion rate data to produce maps of current and year positions of an erosion reference feature (ERF) and year coastal flood zone for 31 miles of the Lincoln County, Oregon, shoreline.

CORVALLIS, Ore. - A new assessment of shoreline change along the Pacific Northwest coast from the late s to present found that while the majority of beaches are stable or slightly accreting (adding sand), many Oregon beaches have experienced an increase in erosion hazards in recent decades.

Since the s, 13 of the 17 beach "littoral cells" - stretches of beach between. @article{osti_, title = {CRC handbook of coastal processes and erosion}, author = {Komar, P.D.}, abstractNote = {This text includes the following contents: Beach Processes - Erosion - An Introduction.

Edge Waves and the Configuration of the Shoreline. Morphodynamics of Beaches and Surf Zones in Australia. The Erosion of Siletz Spit, Oregon. The user interface of the Ocean Shores Data Viewer was designed and built by local level government users for local level government uses.

Originally developed in Minnesota, where it acquired the name “GeoMoose,” it was adopted in Oregon in by the Oregon. Erosion on the Oregon coast caused by the –98 El Niño event produced an observable pattern of shoreline change.

In October of and then again in April ofLIDAR was flown over the Oregon Coast, bracketing the El Niño and enabling us to quantify the erosion. ISBN: OCLC Number: Description: pages: illustrations ; 27 cm. Contents: Beach processes and erosion--an introduction / P.D. Komar --Edge waves and the configuration of the shoreline / R.H.

Holman --Morphodynamics of beaches and surf zones in Australia / L.D. Wright and A.D. Short --The erosion of Siletz Spit, Oregon / P.D.

Komar. And COASTAL EROSIOn Rivers of Sand The material that is contained on the following pages was reprinted from the text entitled Natural Hazards and Disasters by Donald Hyndman and David Hyndman. In their book the focus is on Earth and atmospheric hazards that.

Executive Summary. Beach erosion is a chronic problem along most open ocean shores of the United States. As coastal populations continue to increase and infrastructure is threatened by erosion, there is increased demand for accurate information regarding past and present trends and rates of shoreline.

Coastal erosion is the loss or displacement of land, or the long-term removal of sediment and rocks along the coastline due to the action of waves, currents, tides, wind-driven water, waterborne ice, or other impacts of storms.

The landward retreat of the shoreline can measured and described over a temporal scale of tides, seasons, and other short-term cyclic processes. Purpose and Potential Applications: This data set was featured as base maps to construct nautical charts primarily used for t applications include shoreline change analysis and cartographic representation.

Originator(s): National Oceanic and Atmospheric Administration (NOAA) National Geodetic Survey Abstract: Shoreline surveys—also called coastal surveys, t-sheets or TP. Maps prepared by: N.C. Division of Coastal Management, Policy & Planning Section, Division's interactive map explorer.

North Carolina's oceanfront construction setback factors are calculated using the long-term (approximately 50 years) average annual shoreline change rates for the purpose of establishing oceanfront construction Setback Factors and Ocean Erodible Areas of Environmental.

Integrated Photogrammetric and Geophysical Monitoring of Shoreline Instability in Littoral Cells in the Pacific Northwest, USA. Several factors have recently focused on the attention of government agencies, academic researchers, and the general public on coastal erosion and beach resource management in the Pacific Northwest.

These include: (1) increasing shoreline development, (2) dramatic and. miles of shoreline impacted by shoreline stabilization in GA (Alexander, ) 34, acres of marsh impacted in four coastal counties in GA. Figure 1: Left – The North Cove study area and the segment of North Willapa Bay shoreline subject to long-term coastal erosion (a segment known as Washaway Beach).

Right – Geographic location of Study in relation to Willapa Bay. Sincewhen the U.S. Coast Survey first mapped Willapa (then Shoalwater) Bay, the.

Maps identified high-risk exposures in association with infrastructure and areas of low biomass or bare ground in proximity to coastal erosion zones. Outputs were used to create a land cover classification and map coastal risk hazards on the Upper Peninsula’s Lake Superior shoreline, Michigan’s east shoreline of Lake Michigan, and a mile.

Headlands divide the coast of Oregon into sections called littoral cells, or "sandsheds." These natural divisions allow Oregon's coastal managers to take a regional approach to coastal hazards planning. David's project involved a three-step process in the development of a management plan: inventory, risk assessment, and implementation.

ISBN: OCLC Number: Description: pages: illustrations (some color), maps ; 28 cm. Contents: Evaluation of coastal erosion hazards study: an overview / Mark Crowell, Howard Leikin and Michael K. Buckley --Coastal erosion hazards study: phase one mapping / Mark Crowell, Maria Honeycutt, and Darryl Hatheway --Coastal flood hazards and the national flood.ShoreZone is a mapping program that uses oblique aerial images acquired at low altitude, and during the lowest daylight tides of the year, to inventory alongshore and across-shore geomorphological and biological features of the Pacific Northwest intertidal shoreline.

Habitat attributes are interpreted from the aerial images and categorized in a geographic database.The inventory, which was compiled by Tracy Rice, a coastal geologist who is with Terwilliger Consulting Inc.

in Pennsylvania, covers the East Coast from Maine to the North Carolina-South Carolina border, and is based on Google Earth data that show changes in the beaches and inlets from Hurricane Sandy, and by man, from through