| LIU Runqi,WANG Yaping,GAO Jianhua,WU Ziyin,GUAN Weibing. 2016. Turbidity maximum formation and its seasonal variations in the Zhujiang (Pearl River) Estuary, southern China. Acta Oceanologica Sinica, 35(8):22－31 |
| Turbidity maximum formation and its seasonal variations in the Zhujiang (Pearl River) Estuary, southern China |
| 珠江口最大浑浊带的形成与季节变化 |
| Received:December 20, 2015 Revised:May 05, 2016 |
| DOI：10.1007/s13131-016-0897-7 |
| Key words:sediment resuspension vertical circulation turbidity maximum Delft3D Zhujiang (Pearl River)Estuary |
| 中文关键词: 沉积物再悬浮 垂向环流 最大浑浊带 Delft3D 珠江口 |
| 基金项目:The Ocean Special Funds for Scientific Research on Public Causes under contract No. 201105001-2; the National Basic Research Program (973 Program) of China under contract No. 2013CB956502; the National Natural Science Foundation of China under contract Nos 41376044, 41276083 and 41476049. |
| Author Name | Affiliation | E-mail | | LIU Runqi | Collaborative Innovation Center of South China Sea Studies, Nanjing 210093, China
Ministry of Education Key Laboratory for Coast and Island Development, Nanjing University, Nanjing 210023, China | | | WANG Yaping | Collaborative Innovation Center of South China Sea Studies, Nanjing 210093, China
Ministry of Education Key Laboratory for Coast and Island Development, Nanjing University, Nanjing 210023, China | ypwang@nju.edu.cn | | GAO Jianhua | Collaborative Innovation Center of South China Sea Studies, Nanjing 210093, China
Ministry of Education Key Laboratory for Coast and Island Development, Nanjing University, Nanjing 210023, China | | | WU Ziyin | Key Laboratory of Submarine Geosciences, State Oceanic Administration, Hangzhou 310012, China | | | GUAN Weibing | State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China | |
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| Abstract: |
| Real-time observations in the field and numerical simulations (with Delft3D) were combined to study the formation, distribution and the relevant influencing factors of turbidity maximum (TM) in the Zhujiang (Pearl River) Estuary (ZE). The spatial distribution pattern of the TM varies with the longitudinal distributions of salinity and suspended sediment concentration (SSC). The SSC is enhanced and the TM is intensified during dry seasons, whereas the center of the TM moves upstream by a distance of 10 km during wet seasons. The formation of the TM is influenced by a complex combination of numerous factors, including tides, river discharges and topography, wherein sediment resuspension and vertical circulation dominate the formations and variability of the TM. |
| 中文摘要: |
| 应用Delft3D研究了珠江口最大浑浊带的分布以及影响因素。盐度和悬沙浓度的垂向分布揭示出最大浑浊带范围的变化。最大浑浊带在干季的悬沙浓度比湿季更大，而其中心位置与湿季相比向上游移动10 km。最大浑浊带的形成受到潮汐、径流和地形的综合影响，而沉积物的再悬浮和垂向环流为影响最大浑浊带的主要因素。 |
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