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Wednesday, July 22, 2020 | History

2 edition of Processes of sea-cliff erosion on the Oregon coast found in the catalog.

Processes of sea-cliff erosion on the Oregon coast

Shyuer-Ming Shih

Processes of sea-cliff erosion on the Oregon coast

from neotectonics to wave run-up

by Shyuer-Ming Shih

  • 310 Want to read
  • 2 Currently reading

Published .
Written in English

    Subjects:
  • Beach erosion -- Oregon.,
  • Neotectonics -- Oregon.

  • Edition Notes

    Statementby Shyuer-Ming Shih.
    The Physical Object
    Pagination135 p. :
    Number of Pages135
    ID Numbers
    Open LibraryOL14536227M

      1. Introduction. Sea-cliff erosion is highly episodic, commonly occurring during severe storms that have elevated wave energy and rainfall. Rates of erosion are controlled by a number of factors including the sea cliff’s composition, and its susceptibilities to wave impact and mass wasting due to saturation of sediments by rain water and other by:   Oregon has a long and tortured history with people pushing the bounds of shoreline safety. Perhaps the most famous example is the demise .

    Notes. Erosion will take place on the shoreface and on the beach if the export is greater than the supply of material, this means that the level of the seabed and the beach will decrease. The deficit can be due to both cross-shore processes and longshore processes. Erosion due to cross-shore processes mainly occurs during extreme events associated with storm surge, which partially is a. A companion volume to Living with the Shore of Puget Sound and the Georgia Strait, The Pacific Northwest Coast serves as a source of information about the coast of the Pacific Northwest, its geological setting, the natural responses of beaches and cliffs to ocean processes, and the ever-present problem of erosion.

    1. Introduction. Erosion and inland retreat of coastal cliffs present one of the most dynamic landscape evolution processes presently challenging coastal communities and infrastructure (e.g., Sunamura, , Benumof et al., , Moore and Griggs, , Collins and Sitar, ).As such, and because of the potential acceleration of coastal cliff erosion in light of climatic changes and Cited by: Detailed photographs repeated in after several decades and other measurements at La Jolla, California, provide information about processes and rates of rock-shore and sea-cliff erosion.


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Processes of sea-cliff erosion on the Oregon coast by Shyuer-Ming Shih Download PDF EPUB FB2

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 by: 2. 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 by: 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.

Sea-cliff erosion is a problem along the coast of Oregon 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 that are not explainable in terms of ocean processes.

This variability is likely due to tectonic activity that is causing differential uplift rates along the by: 5.

@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. Beach Processes and Erosion An Introduction 2. Edge Waves and Configuration of the Shoreline 3.

Morphodynamics of Beaches and Surf Zones in Australia 4. The Erosion of Siletz spit, Oregon 5. Barrier Islands 6. Patterns and Prediction of Shoreline Change 7. Models for Beach Profile Response 8. Processes of sea-cliff erosion on the Oregon coast: from neotectonics to wave run-up.

Abstract. Graduation date: Sea-cliff erosion is a significant problem along the Oregon coast in that many\ud communities have been built on terraces affected by bluff retreat.

There is considerable\ud coast-wide variability in the rates of cliff. Cliff Erosion along the Oregon Coast: A Tectonic-Sea Level Imprint Plus Local Controls by Beach Processes. Journal of Coastal Research 9 3 Fort Lauderdale, Florida Summer Cliff Erosion along the Oregon Coast: A Tectonic-Sea Level.

Imprint Plus Local Controls by Beach Processes. Sea cliff erosion along the Oregon coast threatens communities that have been built on uplifted marine terraces. There is considerable spatial variability in the rates of cliff retreat, including a coast-wide pattern that is likely due to tectonic activity causing differential uplift by: 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.

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. 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. Abstract. Komar 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.

Sub-Aerial processes: The impact of rainwater, wind and frost on the cliffs. Rainwater can cause surface erosion. Frost shattering can occur in colder climates. Rainwater can also increase the chances of mass movement occurring.

Wind (Aeolian) erosion can aid in the erosion of the cliffs. WAVE CONDITIONS AND BEACH EROSION ON THE OREGON COAST [Komar, Paul D., et al] on *FREE* shipping on qualifying offers.

WAVE CONDITIONS AND BEACH EROSION ON THE OREGON COASTAuthor: et al Komar, Paul D. Komar, P.D. and J.W. Good () Long-term erosion impacts of the El Niño on the Oregon Coast, Coastal Zone 89', pp.

Wave Run-Up and Sea-Cliff Erosion Conference Paper. "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.

This video explains the processes of coastal erosion as well as looking at the a feature/landform of coastal erosion i.e. Cliffs. Watch the video, take. The landward retreat of the shoreline can measured and described over a temporal scale of tides, seasons, and other short-term cyclic processes.

Coastal erosion may be caused by hydraulic action, abrasion, impact and corrosion by wind and water, and other forces, natural or unnatural. The erosion of sea cliffs is highly complex in that it involves processes of wave attack, buffered to varying degrees by the fronting beach, affected by rainfall and groundwater seepage, and is con.

Stop motion clay animation showing stages of sea cliff erosion. License Sea Cliff Collapses At Lava Ocean Entry (Feb. 2, The 4 coastal processes of erosion with   The influence of relative sea-level change on cliff erosion has been documented along the coast of Oregon in the Pacific Northwest.

75) A marked spatial variability in cliff erosion has been produced on this km long coast having a north-south orientation. The tectonic movement is associated with the subduction of oceanic plates beneath the continental North American by: The occurrence of erosion depends on the combined water levels compared with the beach/cliff junction.

All of these factors vary with time and also spatially along the coast. A program has been initiated to measure wave run-up on Oregon beaches ranging from reflective to dissipative in .