Search results for " advective transport"

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Experimental investigation on dispersion mechanisms in rigid and flexible vegetated beds

2018

Vegetation in channels strongly affects flow structure and turbulence, with consequences on the hydrological storage of nutrients and chemical tracers, the shelter of stream biota as well as the trapping or transport of sediments. At the same time, all these phenomena are inevitably subjected to alteration of hydrological conditions in fluvial systems due to climate change. The present study intends to provide a thorough investigation into the processes of transport and dispersion induced by flow turbulence within the vegetation structure. Specifically, velocity measurements in vegetated channels were intensively conducted and analyzed in the case of both flexible submerged and rigid emerge…

HydrologyTurbulence0208 environmental biotechnologyFlow (psychology)Rigid vegetationClimate changeSoil scienceBiotaAdvective transport02 engineering and technologyVegetationRigid vegetation flexible vegetation turbulent length dispersion advective transportDispersionPhysics::Geophysics020801 environmental engineeringSettore ICAR/01 - IdraulicaPhysics::Fluid DynamicsCurrent (stream)Environmental scienceSpatial variabilityDispersion (water waves)Flexible vegetationTurbulent lengthWater Science and Technology
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