Spatial and temporal structure of shear layer turbulence at a stream confluence

Water Resources Research

Volumn 40, Issue 6, 2004, Pages

  Rhoads, Bruce L ^a   Sukhodolov, Alexander N ^b  

^a UNIVERSITY OF ILLINOIS AT URBANA CHAMPAIGN   (United States)

^b LEIBNIZ INSTITUTE OF FRESHWATER ECOLOGY AND INLAND FISHERIES   (Germany)

Author keywords

Confluences; Layer; Shear; Stream; Turbulence

Indexed keywords

HYDRODYNAMICS; STREAM FLOW; TIME SERIES ANALYSIS; TURBULENCE; VELOCITY MEASUREMENT;

SHEAR LAYER; TEMPORAL STRUCTURE;

WATER RESOURCES;

CONFLUENCE; FLOW VELOCITY; OPEN CHANNEL FLOW; RIVER ENGINEERING; SHEAR LAYER; STREAMFLOW; TURBULENCE;

CHANNEL FLOW; CHANNEL HYDRAULICS; CONFLUENCE; FLOW VELOCITY; SPATIOTEMPORAL ANALYSIS; STREAMFLOW; TURBULENCE;

EID: 3242667976     PISSN: 00431397     EISSN: None     Source Type: Journal    
DOI: 10.1029/2003WR002811     Document Type: Article

References (37)

1. Babarutsi, S., and V. H. Chu (1991), A two-length scale model for quasi-two-dimensional turbulent shear flows, paper presented at the 24th Congress of the IAHR, Int. Assoc. for Hydraul. Res., Madrid, Spain.
2. Babarutsi, S., and V. H. Chu (1998), Modeling transverse mixing layer in shallow open-channel flows, J. Hydraul. Eng., 124, 718-727.
3. Bath, M. (1974), Spectral Analysis in Geophysics, Elsevier Sci., New York.
4. Best, J. L. (1987), Flow dynamics at river confluences: Implications for sediment transport and bed morphology, in Recent Developments in Fluvial Sedimentology, edited by F. G. Ethridge, R. M. Flores, and M. D. Harvey, Spec. Publ. Soc. Econ. Paleontol. Mineral., 39, 27-35.
5. Best, J. L., and A. G. Roy (1991), Mixing-layer distortion at the confluence of channels of different depth, Nature, 350, 411-413.
6. Biron, P., B. De Serres, and J. L. Best (1993), Shear layer turbulence at unequal depth channel confluence, in Turbulence: Perspectives on Flow and Sediment Transport, edited by N. J. Clifford, J. R. French, and J. Hardisty, pp. 197-213, John Wiley, New York.
7. Biron, P., A. G. Roy, and J. L. Best (1996a), Turbulent flow structure at concordant and discordant open-channel confluences, Exp. Fluids, 21, 437-446.
8. Biron, P., J. L. Best, and A. G. Roy (1996b), Effects of bed discordance on flow dynamics at open channel confluences, J. Hydraul. Eng., 122, 676-682.
9. Biron, P. M., A. Richer, A. D. Kirkbride, A. G. Roy, and S. Han (2002), Spatial patterns of water surface topography at a river confluence, Earth Surf. Processes Landforms, 27, 913-928.
10. Bradbrook, K. F., S. N. Lane, and K. S. Richards (2000a), Numerical simulation of three-dimensional time-averaged flow structure at river channel confluences, Water Resour. Res., 36, 2731-2746.
11. Bradbrook, K. F., S. N. Lane, K. S. Richards, P. M. Biron, and A. G. Roy (2000b), Large eddy simulation of periodic flow characteristics at river channel confluences, J. Hydraul. Res., 38, 207-215.
12. Bradbrook, K. F., S. N. Lane, K. S. Richards, P. Biron, and A. G. Roy (2001), Role of bed discordance at asymmetrical open-channel confluences, J. Hydraul. Eng., 127, 351-368.
13. Bridge, J. S. (1993), The interaction between channel geometry, water flow, sediment transport and deposition in braided rivers, in Braided Rivers, edited by J. L. Best and C. S. Bristow, Geol. Soc. Spec. Publ., 75, 13-71.
14. Buchanan, T. J., and W. P. Somers (1969), Discharge Measurements at Gaging Stations, U.S. Geol. Surv. Tech. Water Resour., Book 3, Chap. A8.
15. Cenedese, A., G. P. Romano, and F. Di Felice (1991), Experimental testing of Taylor's hypothesis by L.D.A. in highly turbulent flow, Exp. Fluids, 11, 351-358.
16. Chu, V. H., and S. Babarutsi (1988), Confinement and bed-friction effects in shallow turbulent mixing layers, J. Hydraul. Eng., 114, 1257-1274.
17. De Serres, B., A. G. Roy, P. M. Biron, and J. L. Best (1999), Three-dimensional structure of flow at a confluence of river channels with discordant beds, Geomorphology, 26, 313-335.
18. Frisch, U. (1995), Turbulence, Cambridge Univ. Press, New York.
19. Ho, C. M., and P. Huerre (1984), Perturbed shear layers, Annu. Rev. Fluid Mech., 16, 365-424.
20. Kraichnan, R. H. (1967), Inertial ranges in two-dimensional turbulence, Phys. Fluids, 10, 1417-1423.
21. Lapointe, M. F., B. De Serres, P. Biron, and A. G. Roy (1996), Using spectral analysis to detect sensor noise and correct turbulence intensity and shear stress estimates from EMCM flow records, Earth Surf. Processes Landforms, 21, 195-203.
22. McLelland, S. J., P. J. Ashworth, and J. L. Best (1996), The origin and downstream development of coherent flow structures at channel junctions, in Coherent Flow Structures in Open Channels, edited by P. J. Ashworth, S. J. Bennett, J. L. Best, and S. J. McLelland, pp. 459-490, John Wiley, Hoboken, N. J.
23. Nikora, V. I., and D. G. Goring (1998), ADV measurements of turbulence: Can we improve their interpretation?, J. Hydraul. Eng., 124, 630-634.
24. Rhoads, B. L. (1996), Mean structure of transport-effective flows at an asymmetrical confluence when the main stream is dominant, in Coherent Flow Structures in Open Channels, edited by P. J. Ashworth et al., pp. 491-517, John Wiley, Hoboken, N. J.
25. Rhoads, B. L., and S. T. Kenworthy (1995), Flow structure at an asymmetrical confluence, Geomorphology, 11, 273-293.
26. Rhoads, B. L., and S. T. Kenworthy (1998), Time-averaged flow structure in the central region of a stream confluence, Earth Surf. Processes Landforms, 23, 171-191.
27. Rhoads, B. L., and A. N. Sukhodolov (2001), Field investigation of three-dimensional flow structure at stream confluences: 1. Thermal mixing and time-averaged velocities, Water Resour. Res., 37, 2393-2410.
28. Rogers, M. M., and R. D. Moser (1992), The three-dimensional evolution of plane mixing layer - The Kelvin-Helmholtz rollup, J. Fluid Mech., 243, 183-226.
29. Romano, G. P. (1995), Analysis of two-point velocity measurements in near-wall flows, Exp. Fluids, 20, 65-83.
30. Roy, A. G., P. M. Biron, T. Buffin-Belanger, and M. Levasseur (1999), Combined visual and quantitative techniques in the study of natural turbulent flows, Water Resour. Res., 35, 871-877.
31. Stull, R. B. (1988), An Introduction to Boundary Layer Meteorology, Kluwer Acad., Norwell, Mass.
32. Sukhodolov, A., and B. L. Rhoads (2001), Field investigation of three-dimensional flow structure at stream confluences: 2. Turbulence, Water Resour. Res., 37, 2411-2424.
33. Sukhodolov, A., M. Thiele, and H. Bungartz (1998), Turbulence structure in a river reach with sand bed, Water Resour. Res., 34, 1317-1334.
34. Uijttewaal, W. S. J., and R. Booij (2000), Effects of shallowness on the development of free-surface mixing layers, Phys. Fluids, 12, 392-402.
35. Uijttewaal, W. S., and J. Tukker (1998), Development of quasi two-dimensional structures in shallow free-surface mixing layer, Exp. Fluids, 24(3), 192-200.
36. Weerakoon, S. B., Y. Kawahara, and N. Tamai (1991), Three-dimensional flow structure in channel confluences of rectangular section, paper presented at the 24th Congress of the IAHR, Int. Assoc. for Hydraul. Res., Madrid, Spain.
37. Winant, C. D., and F. K. Browand (1974), Vortex pairing: The mechanism of turbulent mixing layer growth at moderate Reynolds numbers, J. Fluid Mech., 63, 237-255.