Turbidity maximum formation and its seasonal variations in the Zhujiang (Pearl River) Estuary, southern China

LIU Runqi; WANG Yaping; GAO Jianhua; WU Ziyin; GUAN Weibing

doi:10.1007/s13131-016-0897-7

Volume 35 Issue 8

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LIU Runqi, WANG Yaping, GAO Jianhua, WU Ziyin, GUAN Weibing. Turbidity maximum formation and its seasonal variations in the Zhujiang (Pearl River) Estuary, southern China[J]. Acta Oceanologica Sinica, 2016, 35(8): 22-31. doi: 10.1007/s13131-016-0897-7

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Turbidity maximum formation and its seasonal variations in the Zhujiang (Pearl River) Estuary, southern China

doi: 10.1007/s13131-016-0897-7

1.
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
2.
Key Laboratory of Submarine Geosciences, State Oceanic Administration, Hangzhou 310012, China
3.
State Key Laboratory of Satellite Ocean Environment Dynamics, Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China

Received Date: 2015-12-20
Rev Recd Date: 2016-05-05

Abstract

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.
- sediment resuspension,
- vertical circulation,
- turbidity maximum,
- Delft3D,
- Zhujiang (Pearl River)Estuary

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References

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