Spatial–temporal structure of mixing interface turbulence at two large river confluences
Tóm tắt
Từ khóa
Tài liệu tham khảo
Kenworthy ST, Rhoads BL (1995) Hydrologic control of spatial patterns of suspended sediment concentration at a stream confluence. J Hydrol 168:251–263
Gaudet JM, Roy AG (1995) Effect of bed morphology on flow mixing length at river confluences. Nature 373:138–139
Rhoads BL, Sukhodolov AN (2001) Field investigation of three-dimensional flow structure at stream confluences: 1. Thermal mixing and time-averaged velocities. Water Resour Res 37(9):2393–2410
Roy AG, Biron PM, Buffin-Belanger T, Levasseur M (1999) Combined visual and quantitative techniques in the study of natural turbulent flows. Water Resour Res 35(3):871–877
De Serres B, Roy AG, Biron PM, Best JL (1999) Three-dimensional structure of flow at a confluence of river channels with discordant beds. Geomorphology 26:313–335
Sukhodolov AN, Rhoads BL (2001) Field investigation of three-dimensional flow structure at stream confluences: 2. Turbulence. Water Resour Res 37(9):2411–2424
Rhoads BL, Sukhodolov AN (2008) Lateral momentum flux and the spatial evolution of flow within a confluence mixing interface. Water Resour Res 44:1–17
MacKay JR (1970) Lateral mixing of the Liard and Mackenzie rivers downstream from their confluence. Can J Earth Sci 7:111–124
Rathburn RE, Rostad CE (2004) Lateral mixing in the Mississippi River below the confluence with the Ohio River. Water Resour Res 40:1–12
Laraque A, Guyot JL, Filizola N (2009) Mixing processes in the Amazon River at the confluences of the Negro and Solimoes Rivers, Encontro das Aguas, Manaus, Brazil. Hydrol Process 23:3131–3140
Bouchez J, Lajeunesse E, Gaillardet J, France-Lanord C, Dutra-Maia P, Maurice L (2010) Turbulent mixing in the Amazon River: The isotopic memory of confluences. Earth Planetary Science Letters 290:37–43
Best JL (1987) Flow dynamics at river channel confluences: implications for sediment transport and bed morphology. SEPM Recent Devel Fluvial Sedimentol SP 39:27–35
Best JL, Rhoads BL (2008) Sediment transport, bed morphology and the sedimentology of river channel confluences. In: Rice SP, Roy AG, Rhoads BL (eds) River confluences, tributaries and the fluvial network. Wiley, New York, pp 45–72
Biron PM, Roy AG, Best JL, Boyer CJ (1993) Bed morphology and sedimentology at the confluence of unequal depth channels. Geomorphology 8:115–129
Ribeiro ML, Blanckaert K, Roy AG, Schleiss AJ (2012a) Flow and sediment dynamics in channel confluences. J Geophys Res Earth Surf 117:1–19
Ribeiro ML, Blanckaert K, Roy AG, Schleiss AJ (2012b) Hydromorphological implications of local tributary widening for river rehabilitation. Water Resour Res 48:1–19
Best JL, Roy AG (1991) Mixing-layer distortion at the confluence of channels of different depth. Nature 350:411–413
Biron PM, Best JL, Roy AG (1996) Effects of bed discordance on flow dynamics at open channel confluences. J Hydrau Eng 122:676–682
Babarutsi S, Chu VH (1998) Modeling transverse mixing layer in shallow open-channel flows. J Hydraul Eng 124:718–727
Uijttewaal WSJ, Tukker J (1998) Development of quasi two-dimensional structures in a shallow free-surface mixing layer. Exp Fluids 24:192–200
Uijttewaal WSJ, Booij R (2000) Effects of shallowness on the development of free-surface mixing layers. Phys Fluids 12(2):392–402
Sukhodolov AN, Schauder I, Uijttewaal WSJ (2010) Dynamics of shallow lateral shear layers: experimental study in a river with a sandy bed. Water Resour Res 46:1–18
Constantinescu G, Miyawaki S, Rhoads B, Sukhodolov A, Kirkil G (2011) Structure of turbulent flow at a river confluence with momentum and velocity ratios close to 1: insight provided by an eddy-resolving numerical simulation. Water Resour Res 47:1–16
Constantinescu G, Miyawaki S, Rhoads B, Sukhodolov A (2012) Numerical analysis of the effect of momentum ratio on the dynamics and sediment-entrainment capacity of coherent flow structures at a stream confluence. J Geophys Res Earth Surf 117:1–21
Rhoads BL, Kenworthy ST (1995) Flow structure at an asymmetrical stream confluence. Geomorphology 11:273–293
Rhoads BL, Sukhodolov AN (2004) Spatial and temporal structure of shear layer turbulence at a stream confluence. Water Resour Res 40:1–13
Rhoads BL (2006) Scaling of confluence dynamics in river systems: some general considerations. In: Parker G, Garcia MH (eds) River, coastal and estuarine morphodynamics: RCEM 2005. Taylor and Francis, London, pp 379–388
Parsons DR, Best JL, Lane SN, Orfeo O, Hardy RJ, Kostaschuk R (2007) Form roughness and the absence of secondary flow in a large confluence-diffluence, Rio Parana, Argentina. Earth Surf Process Landf 32:155–162
Lane SN, Parsons DR, Best JL, Orfeo O, Kostaschuk RA, Hardy RJ (2008) Causes of rapid mixing at a junction of two large rivers: Rio Parana and Rio Paraguay, Argentina. J Geophys Res Earth Surf 113:1–16
Riley JD, Rhoads BL (2012) Flow structure and channel morphology at a natural confluent meander bend. Geomorphology 163–164:84–98
Szupiany RN, Amsler ML (2006) Estimation of suspended sand concentrations with an ADP, Colastine river—Argentina. In: Parker G, Garcia MH (eds) River, coastal and estuarine morphodynamics: RCEM 2005. Taylor and Francis, London, pp 27–32
Parsons DR, Jackson PR, Czuba JA, Engel FL, Rhoads BL, Oberg KA, Best JL, Mueller DS, Johnson KK, Riley JD (2013) Velocity Mapping Toolbox (VMT): a processing and visualization suite for moving-vessel ADCP measurements. Earth Surface Processes and Landforms 1–17 (in press)
Rozovskii IL (1957) Flow of water in bends of open channels. Academy of Sciences of the Ukrainian SSR, Institute of Hydrology and Hydraulic Engineering
Markham AJ, Thorne CR (1992) Geomorphology of gravel-bed river bends. In: Billi P, Hey RD, Thorne CR, Tacconi P (eds) Dynamics of gravel-bed rivers. Wiley, New York, pp 433–457
Huang NE, Shen Z, Long SR, Wu MC, Shih HH, Zheng Q, Yen NC, Tung CC, Liu HH (1998) The empirical mode decomposition and the Hilbert spectrum for nonlinear and non-stationary time series analysis. Proc Math Phys Eng Sci 454(1971):903–995
Huang NE, Wu Z (2008) A review on Hilbert–Huang Transform: method and its applications to geophysical studies. Rev Geophys 46:1–23
Kanani A, Ahmari H, Ferreira da Silva AM (2010) Investigation of horizontal coherent structures in shallow open-channel flow using velocity signal decomposition. In: River Flow 2010, pp 1059–1066
Zinger JA, Konsoer KM, Rhoads BL (2012) Hilbert-Huang analysis of shallow flow velocity data. In: 3rd international symposium on shallow flows, pp 481–484
Schmitt FG, Huang Y, Lu Z, Liu Y, Fernandez N (2009) Analysis of velocity fluctuations and their intermittency properties in the surf zone using empirical mode decomposition. J Marine Syst 77:473–481
Huang Y, Schmitt FG, Lu Z, Liu Y (2009) Analysis of daily river flow fluctuations using empirical mode decomposition and arbitrary order Hilbert spectral analysis. J Hydrol 373:102–111
Rao AR, Hsu EC (2008) Hilbert-Huang Transform analysis of hydrological and environmental time series. Springer, Berlin, 148 p
Yorke TH, Oberg KA (2002) Measuring river velocity and discharge with acoustic Doppler profilers. Flow Meas Instr 13:191–195
Nystrom EA, Rehmann CR, Oberg KA (2007) Evaluation of mean velocity and turbulence measurements with ADCPs. J Hydrau Eng 133:1310–1318
Ferreira da Silva AM, Ahmari H (2009) Size and effect on the mean flow of large-scale horizontal coherent structures in open-channel flows: an experimental study. Can J Civil Eng 36:1643–1655
Kravchenko AG, Moin P (2000) Numerical studies of flow over a circular cylinder at $$\text{ Re }_{D}=3900$$ Re D = 3900 . Phys Fluids 12(2):403–417
Wissink JG, Rodi W (2008) Numerical study of the near wake of a circular cylinder. Int J Heat Fluid Flow 29:1060–1070
Ozgoren M, Pinar E, Sahin B, Akilli H (2011) Comparison of flow structures in the downstream region of a cylinder and sphere. Int J Heat Fluid Flow 32:1138–1146
Parsons DR, Best JL, Lane SN, Kostaschuk RA, Hardy RJ, Orfeo O, Amsler ML, Szupiany RN (2008) Large river channel confluences. In: Rice SP, Roy AG, Rhoads BL (eds) River confluences, tributaries and the fluvial network. Wiley, New York, pp 73–91
Rhoads BL (1996) Mean structure of transport-effective flows at an asymmetrical confluence when the main stream is dominant. In: Ashworth P, Best J, Bennett S, McLelland S (eds) Coherent flow structures in open channels. Wiley, New York, pp 21–56
Rhoads BL, Kenworthy ST (1999) On secondary circulation, helical motion and Rozovskii-based analysis of time-averaged two-dimensional velocity fields at confluences. Earth Surf Process Landf 24: 369–375
Riley JD (2013) The fluvial dynamics of confluent meander bends. PhD Dissertation, Department of Geography and Geographic Information Science. University of Illinois at Urbana-Champaign
Sukhodolov A (2012) Structure of turbulent flow in a meander bend of a lowland river. Water Resour Res 48:1–21
Attili A, Bisetti F (2012) Statistics and scaling of turbulence in a spatially developing mixing layer at $$\text{ Re }_{\lambda }=250$$ Re λ = 250 . Phys Fluids 24:035109-1–035109-21
Ponta FL, Aref H (2004) Strouhal-Reynolds number relationship for vortex streets. Phys Rev Lett 93(8):084501-1–084501-4