Measurement and Prediction of Long-Term Sediment Supply to Coastal Foredunes (文章, 1996) [WorldCat.org]
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Measurement and Prediction of Long-Term Sediment Supply to Coastal Foredunes
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Measurement and Prediction of Long-Term Sediment Supply to Coastal Foredunes

作者: Robin G. D. Davidson-Arnott; Mark N. Law
版本/格式: 文章 文章 : English
資源:Journal of Coastal Research, v12 n3 (19960701): 654-663
提要:
Sediment supply to coastal foredunes was measured over the period 1986- 1992 at three sites along the accretional distal end of Long Point spit, Lake Erie. Sediment supply was determined from measurements of aggradation in the embryo and foredune made along transects perpendicular to the shoreline. Annual sediment deposition rates ranged from 2.6-10.3 m³m -1 . Measured sediment deposition at two sites over the  再讀一些...
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文件類型 文章
所有的作者/貢獻者: Robin G. D. Davidson-Arnott; Mark N. Law
ISSN:0749-0208
語言註釋: English
專有的識別號: 5554047050
獎賞:

摘要:

Sediment supply to coastal foredunes was measured over the period 1986- 1992 at three sites along the accretional distal end of Long Point spit, Lake Erie. Sediment supply was determined from measurements of aggradation in the embryo and foredune made along transects perpendicular to the shoreline. Annual sediment deposition rates ranged from 2.6-10.3 m³m -1 . Measured sediment deposition at two sites over the period May-December, 1987 was 25% and 50% of sediment transport predicted using an equation developed by Hsu (1974). Variations in sediment deposition from year to year, and between sites, were controlled primarily by variations in beach width, related to changes in lake levels and to local beach morphodynamics, rather than by variations in potential sediment transport based on wind velocity. It is argued that it is inappropriate to predict long-term sediment transport from instantaneous transport equations which make use of the wind shear velocity U * . Furthermore, where beach width is typically less than 50 m, variations in beach width are a stronger control on rates of sediment supply to the foredune than the wind climate.

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Mark Law - author - additional comments

評論者是 mlaw26 (WorldCat讀者所發佈的 2015-03-30) 優秀 Permalink

This article is based on my masters graduate research. More information on this research can be found in the text book:

Coastal Dunes: Form and Process, 1990, Karl F. Nordstrom et al. Wiley, New York. ISBN 0471918423 9780471918424 OCLC number: 21333193

and my MSc Thesis:

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