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- Title
Experimental Investigation on Wave and Bed Profile Evolution in a Sandbar-Lagoon Coast with Submerged Vegetation.
- Authors
Xing, Wei; Cong, Xin; Kuang, Cuiping; Wang, Dan; An, Zhenzhen; Zou, Qingping
- Abstract
Better understanding of the hydro- and morphodynamic processes within vegetated sandbar-lagoon coasts is important for assessing the coastal protection capability of vegetation meadow for the coastal environments. Eighteen flume tests were conducted in a mobile-bed sandbar-lagoon with mimicked submerged vegetation under different water depths and wave conditions. It was found that wave attenuation by submerged vegetation near the breaking point is significant. An empirical linear expression for the total wave energy change ratio is proposed with a determination coefficient of 0.84. Moreover, the quantitative formulae for the erosion volume and maximum erosion thickness of sandbars and foredunes, as well as the total sediment transport volume, were proposed to demonstrate the implications of submerged vegetation meadows. These findings provide scientific references for coastal management and conservation planning, especially for sandbar-lagoon coasts. Nevertheless, additional physical experiments or field data are necessary to further validate those formulae.
- Subjects
COASTAL zone management; SEDIMENT transport; WATER waves; WATER depth; THEORY of wave motion; LAGOONS
- Publication
Journal of Marine Science & Engineering, 2024, Vol 12, Issue 12, p2126
- ISSN
2077-1312
- Publication type
Academic Journal
- DOI
10.3390/jmse12122126