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The state-of-the-art in water-worked bed hydraulics can only be examined through a careful exploration of the experimental (both laboratory and field) results via theoretical development. This book is primarily focused on the research aspects that involve a comprehensive knowledge of sediment dynamics in turbulent flows, as the most up-to-date research findings in the field are presented. It begins with two reviews on bedload transport and water-work bed experimental studies. The sediment dynamics is then analyzed from a classical perspective by applying the mean bed shear approach and additionally incorporating a statistical description for the role of turbulence. The work finally examines the local scour problems at hydraulic structures and results from field studies. It is intended as a course guide for field professionals, keeping up with modern technological developments. Therefore, as a simple prerequisite, readers should have a basic knowledge of hydraulics to an undergraduate level.

risk assessment --- n/a --- heavy metals --- sand waves --- scour depth --- in-stream structures --- backwater effect --- friction factor --- natural sandy bed river --- morphology --- turbulent flow --- sediment --- flood --- spur dike --- water reservoir --- local bed shear stress --- gravel-bed stream --- logarithmic law of the wall --- environmental variables --- mountain stream --- experiments --- scour holes --- drag-reducing flows --- flow type --- Three Gorges Reservoir --- hysteresis --- acoustic Doppler velocimeter --- check dam --- bedload --- granular beds --- bed-load transport --- aquatic plants --- flow velocity measurements --- groyne type --- fluvial hydraulics --- groyne field --- flow resistance --- water-worked gravel bed --- Mountain River --- aquatic plant biomechanics --- von Kármán parameter ? --- bed shear stress --- river morphology --- river --- turbulent kinetic energy --- scour --- von Kármán parameter ?

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Understanding of the role of turbulence in controlling transport processes is of paramount importance for the preservation and protection of aquatic ecosystems, the minimization of the deleterious consequences of anthropogenic activity, and the successful sustainable development of river and maritime areas. In this context, the present Special Issue collects 15 papers which provide a representation of the present understanding of turbulent processes and their effects in river and maritime environments. The presented collection of papers is not exhaustive, but it highlights the key priority areas and knowledge gaps in this field of research. The published papers present the state-of-the-art knowledge of complex environmental flows which are useful for researchers and practitioners. The paper contents are an overview of some recent topics of research and an exposure of the current and future challenges associated with these topics.

inclined negatively buoyant jets --- flow mixing --- Kelvin–Helmholtz --- flow-through system --- mixing --- regular waves --- vegetation patch --- turbulence invariants --- junction angle --- gravel-bed rivers --- spatial analysis --- spectral model --- coastal lagoon --- roughness --- MIKE 21 FM (HD) --- billow --- dissipation --- river mouth --- waves --- advection --- wave–current interaction --- plunging breaking waves --- turbulence --- flow deflection zone --- smoothed particle hydrodynamics models --- numerical modelling --- physical modelling --- surface waves --- lobe --- dilution --- numerical model --- channel confluences --- prediction --- meanders --- CFD --- bedrock canyon --- MIKE 3 FM (HD & --- SVF --- diffusion --- dense jet --- sub-grid turbulence --- flow separation zone --- breaking waves --- Spartina maritima --- jets --- maritime areas --- flow retardation zone --- seabed friction --- sea discharges --- secondary motion --- ADCP --- cleft --- submerged ratio --- laboratory experiments --- wake region --- eddy viscosity --- bottom friction --- casting technique --- turbulent jet --- tidal inlets --- rivers --- nonlinear shallow water equations --- vorticity --- hydrodynamic model --- flow resistance --- PANORMUS --- spectral dissipation --- TR) --- macrovortices --- turbulent processes --- velocity --- trajectory --- flexible vegetation --- energy dissipation --- gravity current --- bed shear stress --- current flow --- drag coefficient --- residence time --- wave attenuation

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

Understanding of the role of turbulence in controlling transport processes is of paramount importance for the preservation and protection of aquatic ecosystems, the minimization of the deleterious consequences of anthropogenic activity, and the successful sustainable development of river and maritime areas. In this context, the present Special Issue collects 15 papers which provide a representation of the present understanding of turbulent processes and their effects in river and maritime environments. The presented collection of papers is not exhaustive, but it highlights the key priority areas and knowledge gaps in this field of research. The published papers present the state-of-the-art knowledge of complex environmental flows which are useful for researchers and practitioners. The paper contents are an overview of some recent topics of research and an exposure of the current and future challenges associated with these topics.

inclined negatively buoyant jets --- flow mixing --- Kelvin–Helmholtz --- flow-through system --- mixing --- regular waves --- vegetation patch --- turbulence invariants --- junction angle --- gravel-bed rivers --- spatial analysis --- spectral model --- coastal lagoon --- roughness --- MIKE 21 FM (HD) --- billow --- dissipation --- river mouth --- waves --- advection --- wave–current interaction --- plunging breaking waves --- turbulence --- flow deflection zone --- smoothed particle hydrodynamics models --- numerical modelling --- physical modelling --- surface waves --- lobe --- dilution --- numerical model --- channel confluences --- prediction --- meanders --- CFD --- bedrock canyon --- MIKE 3 FM (HD & --- SVF --- diffusion --- dense jet --- sub-grid turbulence --- flow separation zone --- breaking waves --- Spartina maritima --- jets --- maritime areas --- flow retardation zone --- seabed friction --- sea discharges --- secondary motion --- ADCP --- cleft --- submerged ratio --- laboratory experiments --- wake region --- eddy viscosity --- bottom friction --- casting technique --- turbulent jet --- tidal inlets --- rivers --- nonlinear shallow water equations --- vorticity --- hydrodynamic model --- flow resistance --- PANORMUS --- spectral dissipation --- TR) --- macrovortices --- turbulent processes --- velocity --- trajectory --- flexible vegetation --- energy dissipation --- gravity current --- bed shear stress --- current flow --- drag coefficient --- residence time --- wave attenuation --- inclined negatively buoyant jets --- flow mixing --- Kelvin–Helmholtz --- flow-through system --- mixing --- regular waves --- vegetation patch --- turbulence invariants --- junction angle --- gravel-bed rivers --- spatial analysis --- spectral model --- coastal lagoon --- roughness --- MIKE 21 FM (HD) --- billow --- dissipation --- river mouth --- waves --- advection --- wave–current interaction --- plunging breaking waves --- turbulence --- flow deflection zone --- smoothed particle hydrodynamics models --- numerical modelling --- physical modelling --- surface waves --- lobe --- dilution --- numerical model --- channel confluences --- prediction --- meanders --- CFD --- bedrock canyon --- MIKE 3 FM (HD & --- SVF --- diffusion --- dense jet --- sub-grid turbulence --- flow separation zone --- breaking waves --- Spartina maritima --- jets --- maritime areas --- flow retardation zone --- seabed friction --- sea discharges --- secondary motion --- ADCP --- cleft --- submerged ratio --- laboratory experiments --- wake region --- eddy viscosity --- bottom friction --- casting technique --- turbulent jet --- tidal inlets --- rivers --- nonlinear shallow water equations --- vorticity --- hydrodynamic model --- flow resistance --- PANORMUS --- spectral dissipation --- TR) --- macrovortices --- turbulent processes --- velocity --- trajectory --- flexible vegetation --- energy dissipation --- gravity current --- bed shear stress --- current flow --- drag coefficient --- residence time --- wave attenuation