Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2019GL084444 |
Closure of Secondary Basins Causes Channel Deepening in Estuaries With Moderate to High Friction | |
Nnafie, A.1,2; de Swart, H. E.2; De Maerschalck, B.1; Van Oyen, T.1; van der Vegt, M.2; van der Wegen, M.3,4 | |
2019-11-21 | |
发表期刊 | GEOPHYSICAL RESEARCH LETTERS
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ISSN | 0094-8276 |
EISSN | 1944-8007 |
出版年 | 2019 |
卷号 | 46期号:22页码:13209-13216 |
文章类型 | Article |
语种 | 英语 |
国家 | Belgium; Netherlands |
英文摘要 | Estuaries are often characterized by the presence of secondary basins (side embayments), which affect the estuarine hydrodynamics and sediment dynamics. Many of these basins have disappeared due to land reclamations, which might influence the estuarine morphodynamics. This study addresses how the presence and closure of secondary basins affect the estuarine channel depth using the Delft3D model. Results reveal that channels in estuaries with secondary basins are shallower than those in which these basins are absent, regardless of their location, length, or number. This shallowing is more pronounced for basins that are located at the northern estuarine margin due to the Coriolis force. The shallowing of channels increases if more secondary basins are present. Channels deepen after the closure of secondary basins, resulting from a decrease of the landward directed sediment transport that is driven by tidal asymmetry. Model results apply to estuaries with moderate to high friction. |
英文关键词 | Secondary basins Closure Channel deepening Disappearance Estuaries Land reclamations |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000497599900001 |
WOS关键词 | EVOLUTION ; DYNAMICS ; IMPACT |
WOS类目 | Geosciences, Multidisciplinary |
WOS研究方向 | Geology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/225071 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Flanders Hydraul Res, Antwerp, Belgium; 2.Univ Utrecht, IMAU, Utrecht, Netherlands; 3.IHE, Delft, Netherlands; 4.Deltares, Delft, Netherlands |
推荐引用方式 GB/T 7714 | Nnafie, A.,de Swart, H. E.,De Maerschalck, B.,et al. Closure of Secondary Basins Causes Channel Deepening in Estuaries With Moderate to High Friction[J]. GEOPHYSICAL RESEARCH LETTERS,2019,46(22):13209-13216. |
APA | Nnafie, A.,de Swart, H. E.,De Maerschalck, B.,Van Oyen, T.,van der Vegt, M.,&van der Wegen, M..(2019).Closure of Secondary Basins Causes Channel Deepening in Estuaries With Moderate to High Friction.GEOPHYSICAL RESEARCH LETTERS,46(22),13209-13216. |
MLA | Nnafie, A.,et al."Closure of Secondary Basins Causes Channel Deepening in Estuaries With Moderate to High Friction".GEOPHYSICAL RESEARCH LETTERS 46.22(2019):13209-13216. |
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