The onset of sediment transport in vegetated channels predicted by turbulent kinetic energy

Geophysical Research Letters

Volumn 43, Issue 21, 2016, Pages 11,261-11,268

  Yang, J Q ^a   Chung, H ^a   Nepf, H M ^a  

^a Massachusetts Institute of Technology   (United States)

Author keywords

critical condition; incipient velocity; sediment transport; turbulence; vegetation

Indexed keywords

BANKS (BODIES OF WATER); COMPUTATIONAL FLUID DYNAMICS; KINETICS; SEDIMENT TRANSPORT; SEDIMENTATION; SHEAR STRESS; TURBULENCE; VEGETATION;

CRITICAL CONDITION; CRITICAL VELOCITIES; EMERGENT VEGETATION; INCIPIENT VELOCITY; SEDIMENT TRANSPORT RATE; THRESHOLD CONDITION; TURBULENCE INTENSITY; TURBULENT KINETIC ENERGY;

KINETIC ENERGY;

CHANNEL FLOW; CRITICAL FLOW; CYLINDER; DIGITAL IMAGE; GRAIN SIZE; KINETIC ENERGY; SEDIMENT TRANSPORT; SHEAR STRESS; THRESHOLD; TURBULENCE; VEGETATION COVER;

EID: 84997841014     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1002/2016GL071092     Document Type: Article

References (39)

1. Buffin-Bélanger, T., and A. G. Roy (2005), 1 min in the life of a river: Selecting the optimal record length for the measurement of turbulence in fluvial boundary layers, Geomorphology, 68(1), 77–94.
2. Celik, A. O., P. Diplas, C. L. Dancey, and M. Valyrakis (2010), Impulse and particle dislodgement under turbulent flow conditions, Phys. Fluids, 22(4), 046601.
3. Celik, A. O., P. Diplas, and C. L. Dancey (2013), Instantaneous turbulent forces and impulse on a rough bed: Implications for initiation of bed material movement, Water Resour. Res., 49, 2213–2227, doi:10.1002/wrcr.20210.
4. Cheng, N.-S., and H. T. Nguyen (2011), Hydraulic radius for evaluating resistance induced by simulated emergent vegetation in open-channel flows, J. Hydraul. Eng., 137(9), 995–1004.
5. Costanza, R., et al. (1997), The value of the world's ecosystem services and natural capital, Nature, 387, 253–260.
6. Crocker, J. C., and D. G. Grier (1996), Methods of digital video microscopy for colloidal studies, J. Colloid Interface Sci., 179(1), 298–310.
7. Danielsen, F., et al. (2005), The Asian tsunami: A protective role for coastal vegetation, Science, 310(5748), 643.
8. Diplas, P., C. L. Dancey, A. O. Celik, M. Valyrakis, K. Greer, and T. Akar (2008), The role of impulse on the initiation of particle movement under turbulent flow conditions, Science, 322(5902), 717–720.
9. Furbish, D. J., P. K. Haff, J. C. Roseberry, and M. W. Schmeeckle (2012), A probabilistic description of the bed load sediment flux: 1. Theory, J. Geophys. Res., 117, F03031, doi:10.1029/2012JF002352.
10. Heathershaw, A., and P. Thorne (1985), Sea-bed noises reveal role of turbulent bursting phenomenon in sediment transport by tidal currents, Nature, 316, 339–342.
11. Hongwu, T., H. Wang, D. Liang, S. Lv, and L. Yan (2013), Incipient motion of sediment in the presence of emergent rigid vegetation, J. Hydro-environ. Res., 7(3), 202–208.
12. Houssais, M., C. P. Ortiz, D. J. Durian, and D. J. Jerolmack (2015), Onset of sediment transport is a continuous transition driven by fluid shear and granular creep, Nat. Commun., 6, 6527.
13. Julien, P. Y. (2010), Erosion and Sedimentation, Cambridge Univ. Press, Cambridge, U. K.
14. Kremen, C. (2005), Managing ecosystem services: What do we need to know about their ecology?, Ecol. Lett., 8(5), 468–479.
15. Kundu, P., and I. Cohen (2008), Fluid mechanics, Academic Press, San Diego, Calif.
16. Liu, C., and H. Nepf (2016), Sediment deposition within and around a finite patch of model vegetation over a range of channel velocity, Water Resour. Res., 52, 600–612, doi:10.1002/2015WR018249.
17. Marani, M., A. d'Alpaos, S. Lanzoni, and M. Santalucia (2011), Understanding and predicting wave erosion of marsh edges, Geophys. Res. Lett., 38, L21401, doi:10.1029/2011GL048995.
18. Micheli, E., and J. Kirchner (2002), Effects of wet meadow riparian vegetation on streambank erosion: 2. Measurements of vegetated bank strength and consequences for failure mechanics, Earth Surf. Processes Landforms, 27(7), 687–697.
19. Nelson, J. M., R. L. Shreve, S. R. McLean, and T. G. Drake (1995), Role of near-bed turbulence structure in bed load transport and bed form mechanics, Water Resour. Res., 31(8), 2071–2086.
20. Nepf, H. M. (2012a), Hydrodynamics of vegetated channels, J. Hydraul. Res., 50(3), 262–279.
21. Nepf, H. M. (2012b), Flow and transport in regions with aquatic vegetation, Annu. Rev. Fluid Mech., 44, 123–142.
22. Nezu, I., H. Nakagawa, and G. H. Jirka (1994), Turbulence in open-channel flows, J. Hydraul. Eng., 120(10), 1235–1237.
23. Ricardo, A. M., K. Koll, M. J. Franca, A. J. Schleiss, and R. M. Ferreira (2014), The terms of turbulent kinetic energy budget within random arrays of emergent cylinders, Water Resour. Res., 50, 4131–4148, doi:10.1002/2013WR014596.
24. Shields, A. (1936), “Anwendung der Aehnlichkeitsmechanik und der Turbulenzforschung auf die Geschiebebewegung”, Heft 26, Mitteilungen der Preussischen Versuchsanstalt für Wasserbau und Schiffhau, Berlin, Germany (in German).
25. Smart, G., and H. Habersack (2007), Pressure fluctuations and gravel entrainment in rivers, J. Hydraul. Res., 45(5), 661–673.
26. Stapleton, K., and D. Huntley (1995), Seabed stress determinations using the inertial dissipation method and the turbulent kinetic energy method, Earth Surf. Processes Landforms, 20(9), 807–815.
27. Stoesser, T., S. Kim, and P. Diplas (2010), Turbulent flow through idealized emergent vegetation, J. Hydraul. Eng., 136(12), 1003–1017.
28. Tanino, Y., and H. Nepf (2007), Experimental investigation of lateral dispersion in aquatic canopies, paper presented at 32nd Congress-International Association for Hydraulic Research, p. 152, Venice, Italy, 1–6 Jul.
29. Tanino, Y., and H. M. Nepf (2008a), Lateral dispersion in random cylinder arrays at high Reynolds number, J. Fluid Mech., 600, 339–371.
30. Tanino, Y., and H. M. Nepf (2008b), Laboratory investigation of mean drag in a random array of rigid, emergent cylinders, J. Hydraul. Eng., 134(1), 34–41.
31. Taylor, J. (1997), Introduction to Error Analysis: The Study of Uncertainties in Physical Measurements, vol. 1, Univ. Sci. Books, New York.
32. Tinoco, R., and G. Coco (2014), Observations of the effect of emergent vegetation on sediment resuspension under unidirectional currents and waves, Earth Surf. Dyn., 2(1), 83–96.
33. Vowinckel, B., R. Jain, T. Kempe, and J. Fröhlich (2016), Entrainment of single particles in a turbulent open-channel flow: A numerical study, J. Hydraul. Res., 54(2), 158–171.
34. Widdows, J., N. D. Pope, and M. D. Brinsley (2008), Effect of Spartina anglica stems on near-bed hydrodynamics, sediment erodability and morphological changes on an intertidal mudflat, Mar. Ecol. Prog. Ser., 362, 45–57.
35. Wilcock, P. R. (1996), Estimating local bed shear stress from velocity observations, Water Resour. Res., 32(11), 3361–3366.
36. Wong, M., G. Parker, P. DeVries, T. M. Brown, and S. J. Burges (2007), Experiments on dispersion of tracer stones under lower-regime plane-bed equilibrium bed load transport, Water Resour. Res., 43, W03440, doi:10.1029/2006WR005172.
37. Yager, E., and M. Schmeeckle (2013), The influence of vegetation on turbulence and bed load transport, J. Geophys. Res. Earth Surf., 118, 1585–1601, doi:10.1002/jgrf.20085.
38. Yang, J. Q., F. Kerger, and H. M. Nepf (2015), Estimation of the bed shear stress in vegetated and bare channels with smooth beds, Water Resour. Res., 51, 3647–3663, doi:10.1002/2014WR016042.
39. Zanke, U. (2003), On the influence of turbulence on the initiation of sediment motion, Int. J. Sediment Res., 18(1), 17–31.