Shear instability and coherent structures in shallow flow adjacent to a porous layer

By B. White, H. Nepf. Journal of Fluid Mechanics, 2007

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Turbulence structure above a vegetation canopy (2009, methodology): “We note also that the measurements of Ghisalberti & Nepf (2002) in a quasi-two-dimensional shallow-water flow over a canopy and those of White & Nepf (2007) in a truly two-dimensional canopy flow had transverse vortex wavelengths that matched the primary Kelvin– Helmholtz value of λ ∼= 7.0δω rather…”
The wake structure behind a porous obstruction and its implications for deposition near a finite patch of emergent vegetation (2012, background): “Because the velocity continues to decelerate and diverge for a short distance after the patch, the exit velocity (Ue) is slightly larger than the steady wake velocity (U1).”
The terms of turbulent kinetic energy budget within random arrays of emergent cylinders (2014, unknown): “These combined with analytical [Negretti et al., 2006] and laboratory studies at this scale [Nepf, 1999; White and Nepf, 2003, 2007; Ferreira et al., 2009] have mostly advanced the knowledge on fluxes of mass and momentum, for instance, clarifying the nature of turbulent and dispersive stresses.”