Wave transformation for beach nourishment projects

被引：4
|
作者：
Work, PA [1 ]
Rogers, WE [1 ]
机构：
[1] PLANNING SYST INC,STENNIS SPACE CTR,MS 39529
来源：
COASTAL ENGINEERING | 1997年 / 32卷 / 01期
关键词：
wave transformation; beach nourishment; longshore sediment transport; refraction; erosion;
D O I：
10.1016/S0378-3839(97)00004-5
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
Descriptions of refraction and shoaling for input to one-line planform models of beach nourishment response are discussed. Three equations for bulk longshore sediment transport rate are compared to a small-scale laboratory data set, using up to three different descriptions of wave transformation. A simple, analytical description of wave transformation is presented that is consistent with the accuracy of the available equations describing longshore sediment transport rate. The simple approach appears favorable when compared to more rigorous descriptions of wave transformation for a gross estimate of beach nourishment evolution on a shoreline that is initially relatively straight. A new governing equation and analytical solution for beachfill evolution, including the effects of project-induced wave transformation, are presented. The analytical solution may be used as a design aid to indicate the influence of beachfill parameters (depth to toe, taper length) on beachfill lifetime. (C) 1997 Elsevier Science B.V.
引用
收藏
页码：1 / 18
页数：18
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