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

著者: Robin G. D. Davidson-Arnott; Mark N. Law
版本/格式: 文章 文章 : English
资源: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  再读一些...
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文档类型 文章
所有的著者/提供者: Robin G. D. Davidson-Arnott; Mark N. Law
ISSN:0749-0208
语言注释: English
专有的标识符 5554047050
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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

评论者是 mlaw26 (公布的WorldCat用户 2015-03-30) 优秀 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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