Critical Depths Derived for Three Distinct Modes of Coastal Sediment Transport
文献类型：期刊论文
| 作者 | Shi, HongYuan1; You, Zai-Jin1,3; Yin, BaoShu4; Bai, YuChuan2 |
| 刊名 | JOURNAL OF COASTAL RESEARCH
 |
| 出版日期 | 2018-05-01 |
| 页码 | 271-275 |
| 关键词 | Critical depth depth of closure suspended load beach nourishment |
| ISSN号 | 0749-0208 |
| DOI | 10.2112/SI85-055.1 |
| 英文摘要 | A unified criterion is developed for three distinct modes of coastal sediment transport: incipient movement of sediment (only bedload), initiation of bedripple formation (bedloadand suspended load), and inception of bed ripple disappearance or sheet flow (mainly bed load) based on three unique laboratory datasets collected on a horizontal bed of sediment under regular waves. The onset velocity criterion on the three distinct sediment transport modesis derived to be of the same simple form, U-0 = 2 pi C(1 - T-0/T), where U-0 is the maximumonset wave orbital velocity close to the bed, T is the wave period, and C and T-0 are the coefficients dependent of sediment property only. The newly developed criterion is then extended to calculatecritical depths for the distinct modesof sediment transport under coastal waves by replacing regular wave height Hand periodT with statistical wave height H-rms and period T-rms according to the recently developed "zero-crossing and energy balance"wave analysis method and linear wave theory. The critical depth calculated from this unified criterion is shown to be a function of sediment grain size and density,and wave height andperiod, but more sensitiveto wave period. The critical depth estimated forthe initiation of bed sediment ripple formation is found to be much larger than the depth of closure derived for beach-fill designs. |
| WOS关键词 | SHEET FLOW ; INITIATION ; MOTION ; WAVES |
| 资助项目 | Shandong Provincial Natural Science[ZR2017BD023] ; Open Research Fund of the Key Laboratory of Ocean Circulation and Waves, Chinese Academy of Sciences[KLOCW1705] ; Shandong Provincial Natural Science Key Basic Research Program[ZR2017ZA0202] ; Open Research Fund of the State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University[HESS1706] |
| WOS研究方向 | Environmental Sciences & Ecology ; Physical Geography ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000441173100055 |
| 出版者 | COASTAL EDUCATION & RESEARCH FOUNDATION |
| 资助机构 | Shandong Provincial Natural Science ; Open Research Fund of the Key Laboratory of Ocean Circulation and Waves, Chinese Academy of Sciences ; Shandong Provincial Natural Science Key Basic Research Program ; Open Research Fund of the State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University |
| 源URL | [http://ir.qibebt.ac.cn/handle/337004/12358]  |
| 专题 | 中国科学院青岛生物能源与过程研究所 |
| 通讯作者 | You, Zai-Jin |
| 作者单位 | 1.Ludong Univ, Yantai, Shandong, Peoples R China 2.Tianjin Univ, Tianjin, Peoples R China 3.Univ Queensland, St Lucia, Qld, Australia 4.Chinese Acad Sci, Qingdao, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shi, HongYuan,You, Zai-Jin,Yin, BaoShu,et al. Critical Depths Derived for Three Distinct Modes of Coastal Sediment Transport[J]. JOURNAL OF COASTAL RESEARCH,2018:271-275. |
| APA | Shi, HongYuan,You, Zai-Jin,Yin, BaoShu,&Bai, YuChuan.(2018).Critical Depths Derived for Three Distinct Modes of Coastal Sediment Transport.JOURNAL OF COASTAL RESEARCH,271-275. |
| MLA | Shi, HongYuan,et al."Critical Depths Derived for Three Distinct Modes of Coastal Sediment Transport".JOURNAL OF COASTAL RESEARCH (2018):271-275. |
入库方式： OAI收割
来源：青岛生物能源与过程研究所
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