Diffusive boundary layer influenced by bottom boundary hydrodynamics in tidal flows
作者： Jianing Wang , Hao Wei , Youyu Lu , Liang Zhao
DOI: 10.1002/2013JC008900
关键词: Shear velocity 、 Diffusive flux 、 Turbulence kinetic energy 、 Boundary (topology) 、 Classical mechanics 、 Dissipation 、 Turbulence 、 Bottom roughness 、 Mechanics 、 Boundary layer 、 Physics
摘要: [1] Field measurements of the diffusive boundary layer (DBL) and bottom (BBL) in two distinctly different coastal ocean environments are analyzed. The dynamic conditions BBL have a strong influence on DBL thickness (δDBL) oxygen fluxes at sediment-water interface. Three estimates Batchelor length (LB) obtained from measured dissipation rate turbulent kinetic energy (em), friction velocity (u*), tidal (Um) roughness (z0). LB em u* low correlations with δDBL. estimate Um z0 has higher correlation δDBL both sites, suggesting simple estimation
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