Comparing turbulent bursts dynamics under wind-versus ship-induced waves in Lake Taihu, China
文献类型：期刊论文
| 作者 | Guo, Anan1,2; Chen, Dong1,2; Li, Yiping3; Zhong, Qiang4 |
| 刊名 | JOURNAL OF HYDROLOGY
 |
| 出版日期 | 2025-11-01 |
| 卷号 | 661页码:133575 |
| 关键词 | Turbulent burst Wind disturbances Ship disturbances Quadrant analysis Energy spectrum Lake Taihu |
| ISSN号 | 0022-1694 |
| DOI | 10.1016/j.jhydrol.2025.133575 |
| 产权排序 | 1 |
| 文献子类 | Article |
| 英文摘要 | Benthic turbulent bursts play a crucial role in sediment resuspension and endogenous pollution in large, shallow lakes. This study aims to compare the dynamics of bursting events under various wind- and ship-induced waves in the near-bed regions of Lake Taihu, China. Utilizing in-situ observations with high-frequency Acoustic Doppler Velocimetry, we revealed several distinct turbulence patterns associated with these two types of disturbances. Under wind effects, the time fractions of bursting events during the survey were relatively low, remaining below 20 %. Quadrant analysis showed that when wind speeds exceeded the threshold for sediment resuspension, i.e., 4 m/s, ejection and sweep events dominated the bursting processes, contributing more to benthic shear stress than inward and outward interactions. In contrast, under shipping conditions, the time fractions of bursting events increased to 21-34 %, with the benthic shear stress predominantly influenced by single-quadrant events, either inward or outward interaction. Moreover, bursting events under shipping exhibited longer residence times and infrequent quadrant transitions in near-bottom regions, suggesting more stable states compared to windinduced bursts. Spectral analysis revealed - 5/3 energy decay in both wind- and ship-induced spectra, while the spectral densities of u ' are higher than those of w ' under shipping. This study focused on the contrasting dynamics of turbulent bursts driven by wind- and ship-induced waves, providing insights into the remediation of other polluted shallow lakes with heavy navigation traffic. |
| URL标识 | 查看原文 |
| WOS关键词 | SEDIMENT TRANSPORT ; REYNOLDS STRESS ; FLOW ; RESUSPENSION ; ENTRAINMENT ; TRANSFORMS ; EVENTS ; SEA |
| WOS研究方向 | Engineering ; Geology ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:001502456000001 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/214572]  |
| 专题 | 陆地水循环及地表过程院重点实验室_外文论文 |
| 通讯作者 | Chen, Dong |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China; 2.Univ Chinese Acad Sci, Coll Resources & Environm, Beijing 100049, Peoples R China; 3.Hohai Univ, Coll Environm, State Key Lab Water Cycle & Water Secur River Basi, Nanjing 210098, Peoples R China; 4.China Agr Univ, Coll Water Resources & Civil Engn, Beijing 100083, Peoples R China |
| 推荐引用方式 GB/T 7714 | Guo, Anan,Chen, Dong,Li, Yiping,et al. Comparing turbulent bursts dynamics under wind-versus ship-induced waves in Lake Taihu, China[J]. JOURNAL OF HYDROLOGY,2025,661:133575. |
| APA | Guo, Anan,Chen, Dong,Li, Yiping,&Zhong, Qiang.(2025).Comparing turbulent bursts dynamics under wind-versus ship-induced waves in Lake Taihu, China.JOURNAL OF HYDROLOGY,661,133575. |
| MLA | Guo, Anan,et al."Comparing turbulent bursts dynamics under wind-versus ship-induced waves in Lake Taihu, China".JOURNAL OF HYDROLOGY 661(2025):133575. |
入库方式： OAI收割
来源：地理科学与资源研究所
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