Backwater makes the tributaries of large river becoming phosphorus “sink”

B Cheng, Y Zhang, R **a, G Huang, T Qin, D Yan… - Water Research, 2024 - Elsevier
The complex hydrological conditions caused by the backwater effect at the confluence
inevitably modify the geochemical processes of elements. However, there is still a lack of …

Large wood transport and accumulation near the separation zone of a channel confluence

S Yuan, Y Zheng, H Tang, Y Chen, L Xu… - Water Resources …, 2024 - Wiley Online Library
Fallen trees enter the adjacent stream and are carried away downstream by the current. As
the stream joins another one, the complex hydrodynamics near their confluence make the …

Unsteady secondary flow structure at a large river confluence

L Xu, S Yuan, B Vermeulen, J Qiu… - Water Resources …, 2024 - Wiley Online Library
River confluences, which are characterized by complex hydrodynamics, are key nodes for
flood control and environmental protection. Two field surveys were carried out at the …

Near-surface turbulent dissipation at a laboratory-scale confluence: implications on gas transfer

S Yuan, J Lin, H Tang, Y Zhu, Q Ran… - Environmental Fluid …, 2024 - Springer
River confluences contribute to the outflux of saturated dissolved gases in the water
resulting from high dam discharges. This process is related to gas transfer across the water …

Investigating hydrodynamics and turbulent effects in rivers for different flow conditions using spatial complexity metrics

F Bahmanpouri, D Termini, S Barbetta, C Gualtieri… - Journal of …, 2024 - Elsevier
In non-uniform river flows, hydrodynamic features, such as gradients of velocity in flow
directions, are of particular importance for explaining the abundance of aquatic habitats …

Ecological connectivity of river‐lake ecosystem: Evidence from fish population dynamics in a connecting channel

J Qiu, S Yuan, H Tang, Q Zhang… - Water Resources …, 2024 - Wiley Online Library
Climate change and human activities, for example, dam construction, largely affect
hydrologic and hydrodynamic processes of river‐lake system, and hence exerted serious …

[HTML][HTML] An optimized entropy-based model for estimating river confluence hydrodynamics: Accounting for the effects of velocity dip

S Yuan, H Lin, H Tang, J Qiu, Z Li, D Xu, X Luo… - Journal of …, 2024 - Elsevier
The entropy model has been successfully used to calculate the flow velocity profile of rivers
according to the measured surface-flow velocity. However, it has limitations in the large river …

Investigation of turbulence and interfacial exchange features of the gap area within the fully developed Shallow-Submerged canopy flow

M Liu, S Yuan, H Tang, W Huai, J Yan - Journal of Hydrology, 2024 - Elsevier
The flow patterns within a longitudinal gap area formed by discontinuous distributions of
submerged canopy, as well as the momentum and mass exchange characteristics between …

River confluences: a review of recent field and numerical studies

G Constantinescu, C Gualtieri - Environmental Fluid Mechanics, 2024 - Springer
Confluences are common components of all riverine systems and are characterized by
converging streamlines and potential mixing of separate flows. The fluid dynamics of …

Three-dimensional flow characteristics and structures in confluences based on large eddy simulation

J Zhang, M Miao, W Wang, Z Li, P Li, H Wang, Z Wu… - Journal of …, 2025 - Elsevier
The flow structure at river confluences is complex, and is closely linked to sediment transport
and fish migration. This study employed large eddy simulation to explore the three …