来自海滨港的侵蚀和吸积波

OCEANS '85 - Ocean Engineering and the Environment Pub Date : 1900-01-01 DOI:10.1109/OCEANS.1985.1160252

D. Inman, S. Jenkins

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引用次数: 5

摘要

海岸结构阻碍了沿海岸的沙子运输，造成了侵蚀。侵蚀“事件”以侵蚀波的形式沿海岸向下传播，速度约为每年2公里(1.2英里/年)。或者，在海滩上放置大量的疏浚废物，以及河流洪水沉积物的自然沉积，引发了也向海岸下游传播的增生波。沿海岸传播的侵蚀/增生波的存在导致了海岸下游海滩的局部侵蚀/增生循环。

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Erosion and accretion waves from Oceanside Harbor

Coastal structures that interrupt the longshore transport of sand along beaches cause erosion. The erosion "event" travels downcoast as an erosion wave with speeds of about 2 km/yr (1.2 mi/yr). Alternatively, the placement of large quantities of dredge spoil on the beach, and the natural deposition of flood deposits from rivers, initiate accretion waves that also travel downcoast. The presence of erosion/accretion waves traveling down the coast causes local cycles of erosion/accretion on downcoast beaches.

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OCEANS '85 - Ocean Engineering and the Environment

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