Scaling of confluence dynamics in river systems: Some general considerations

River, Coastal and Estuarine Morphodynamics: RCEM 2005 - Proceedings of the 4th IAHR Symposium on River, Coastal and Estuarine Morphodynamics

Volumn 1, Issue , 2006, Pages 379-387

  Rhoads, B L ^a  

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

Author keywords

[No Author keywords available]

Indexed keywords

CHANNEL FORM; DRAINAGE NETWORKS; EROSION AND DEPOSITION; FIELD INVESTIGATION; FIELD MEASUREMENT; FIELD RESEARCH; FLUVIAL DYNAMICS; FLUVIAL PROCESS; FLUVIAL SYSTEMS; LARGE RIVERS; MORPHODYNAMICS; POTENTIAL DIFFERENCE; RESEARCH RESULTS; RIVER SYSTEMS; SCALING RELATIONS; SMALL STREAMS; SPATIAL PROPERTIES; THREE-DIMENSIONAL FLOW STRUCTURE;

DYNAMICS; ESTUARIES; FLOW STRUCTURE; RESEARCH;

RIVERS;

EID: 53849092249     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (47)

1. Ashmore, P.E.&Parker, G. 1983. Confluence scour in coarse braided streams.Water Resources Research 19: 392-402.
2. Ashmore, P.E., Ferguson, R.I., Prestegaard, K.L., Ashworth, P.J. & Paola, C. 1992. Secondary flow in anabranch confluences of a braided, gravel-bed stream. Earth Surface Processes and Landforms 17: 299-311.
3. Barbarutsi, S.&Chu, V.H. 1998. Modeling transverse mixing layer in shallow open-channel flows. Journal of Hydraulic Engineering 124: 718-727. (Pubitemid 28431265)
4. Best, J.L. 1986. The morphology of river channel confluences. Progress in Physical Geography 10: 157-174.
5. Best, J.L. 1987. Flow dynamics at river channel confluences: implications for sediment transport and bed morphology. In F.G. Ethridge, R.M. Flores&M.D. Harvey (eds), Recent Developments in Fluvial Sedimentology: 27-35. Special Publication 39. Tulsa, OK: The Society of Economic Paleontologists and Mineralologists.
6. Best, J.L. 1988. Sediment transport and bed morphology at river channel confluences. Sedimentology 35: 481-498.
7. Best, J.L. & Reid, I. 1984. Separation zone at openchannel junctions. Journal of Hydraulic Engineering 110: 1588-1594.
8. Best, J.L. & Roy, A.G. 1991. Mixing-layer distortion at the confluence of channels of different depth. Nature 350: 411-413. (Pubitemid 21912239)
9. Biron, P., De Serres, B. & Best, J.L 1993a. Shear layer turbulence at unequal depth channel confluence. In N. J. Clifford, J. R. French and J. Hardisty (eds), Turbulence: Perspectives on Flow and Sediment Transport: 197-213. Chichester: JohnWiley & Sons Ltd. (Pubitemid 24402363)
10. Biron, P., Roy, A.G., Best, J.L.&Boyer, C.J. 1993b. Bed morphology and sedimentology at the confluence of unequal depth channels. Geomorphology 8: 115-129. (Pubitemid 24398299)
11. Biron, P., Best, J.L. & Roy, A.G. 1996a. Effects of bed discordance on flow dynamics at open channel confluences. Journal of Hydraulic Engineering 122: 676-682.
12. Biron, P., Roy, A.G. & Best, J.L. 1996b. Turbulent flow structure at concordant and discordant open-channel confluences. Experiments in Fluids 21: 437-446.
13. Biron, P.M., Richer, A., Kirkbride, A.D., Roy, A.G. & Han, S. 2002. Spatial patterns of water surface topography at a river confluence. Earth Surface Processes and Landforms 27: 913-928. (Pubitemid 34961657)
14. Bradbrook, K.F., Biron, P., Lane, S.N., Richards, K.S. & Roy, A.G. 1998. Investigation of controls on secondary circulation and mixing processes in a simple confluence geometry using a three-dimensional numerical model. Hydrological Processes 12: 1371-1396. (Pubitemid 28486207)
15. Bradbrook, K.F., Lane, S.N. & Richards, K.S. 2000a. Numerical simulation of three-dimensional, time-averaged flow structure at river channel confluences. Water Resources Research 36: 2731-2746.
16. Bradbrook, K.F., Lane, S.N., Richards, K.S., Biron, P.M. & Roy, A.G. 2000b. Large Eddy Simulation of periodic flow characteristics at river channel confluences. Journal of Hydraulic Research 38: 207-215.
17. Bradbrook, K.F., Lane, S.N., Richards, K.S., Biron, P.M. & Roy, A. G. 2001. Role of bed discordance at asymmetrical river confluences. Journal of Hydraulic Engineering-Asce 127: 351-368. (Pubitemid 32464243)
18. Bridge, J.S. 1993. The interaction between channel geometry, water flow, sediment transport and deposition in braided rivers. In J.L. Best and C.S. Bristow(eds), Braided Rivers: 13-71. London: Geological Society Special Publication 75. (Pubitemid 24395884)
19. Bridge, J.S.&Gable, S.L. 1992. Flowand sediment dynamics in a lowsinuosity, braided river - Calamus River, Nebraska Sandhills. Sedimentology 39: 125-142.
20. Bristow, C.S., Best, J.L. & Roy, A.G. 1993. Morphology and facies models of channel confluences. In M. Marzo and C. Puidefabregras Alluvial Sedimentation: 91-100. Vol. 17, Special Publications of the International Association of Sedimentology. Malden, MA: Blackwell. (Pubitemid 24405486)
21. Chu, V.H. & Barbarutsi, S. 1988. Confinement and bedfriction effects in shallow turbulent shear layers. Journal of Hydraulic Engineering 114: 1257-1274. (Pubitemid 215831)
22. De Serres, B., Roy, A.G., Biron, P.M. & Best, J.L. 1999. Three-dimensional structure of flow at a confluence of river channels with discordant beds. Geomorphology 26: 313-335. (Pubitemid 30196919)
23. Dietrich, W.E. 1987. Mechanics of flow and sediment transport in river bends. In K.S. Richards (ed), River Channels Form and Process: 179-224. Oxford: Basi Blackwell.
24. Gaudet, J.M. & Roy, A.G. 1995. Effect of bed morphology on flow mixing length at river confluences. Nature 373: 138-139.
25. Hagar, W.H. 1989. Transitional flow in channel junctions. Journal of Hydraulic Engineering 115: 243-259.
26. Kenworthy, S.T. & Rhoads, B.L. 1995. Hydrologic control of spatial patterns of suspended sediment concentration at a stream confluence. Journal of Hydrology 168: 251-263. (Pubitemid 26437738)
27. Lane, S.N, Bradbrook, K.F., Richards, K.S., Biron, P.A. & Roy, A.G. 1999. The application of computational fluid dynamics to natural river channels: three-dimensional versus two-dimensional approaches. Geomorphology 29: 1-20.
28. Leopold, L.B. & Maddock, Jr., T. 1953. The Hydraulic Geometry of Stream Channels and Some Physiographic Implications. U.S. Geological Survey Professional Paper 252.Washington, D.C.: U.S. Government Printing Office.
29. MacKay, J.R. 1970. Lateral mixing of the Liard and Mackenzie rivers downstream from their confluence. Canadian Journal of Earth Sciences 7: 111-124.
30. Mayer, D.R. 1995. Hydrological Control of Spatial Patterns of Surficial Bed-material at a Stream Confluence. M.S. Thesis, Urbana, IL: University of Illinois.
31. McLelland, S.J, Ashworth, P.J. & Best, J.L. 1996. The origin and downstream development of coherent flow structures at channel junctions. In P. J. Ashworth, S. J. Bennett, J. L. Best and S. J. McLelland (eds), Coherent Flow Structures in Open Channels: 459-490. Chichester: JohnWiley and Sons.
32. Mosley, M.P. 1976. An experimental study of channel confluences. Journal of Geology 84: 535-562.
33. Rathbun, R.E. & Ronstad, C.E. 2004. Lateral mixing in the Mississippi River below the confluence with the Ohio River.Water Resources Research 40: W05207, doi: 10.1029/2003WR002381.
34. Rhoads, B.L. 1996. Mean structure of transport-effective flows at an asymmetrical confluence when the main stream is dominant. In P. J. Ashworth, S. J. Bennett, J. L. Best & S. J. McLelland (eds), Coherent Flow Structures in Open Channels: 491-517. Chichester: JohnWiley.
35. Rhoads, B.L. & Kenworthy, S.T. 1995. Flow structure at an asymmetrical stream confluence. Geomorphology 11: 273-293. (Pubitemid 26436365)
36. Rhoads, B.L. & Kenworthy, S.T. 1998. Time-averaged flow structure in the central region of a stream confluence. Earth Surface Processes and Landforms 23: 171-191.
37. Rhoads, B.L. & Kenworthy, S.T. 1999. On secondary circulation, helical motion and Rozovskii-based analysis of time-averaged two-dimensional velocity fields at confluences. Earth Surface Processes and Landforms 24: 369-375. (Pubitemid 29340820)
38. Rhoads, B.L. & Sukhodolov, A.N. 2001. Field investigation of three-dimensional flowstructure at stream confluences: 1. Thermal mixing and time-averaged velocities. Water Resources Research 37: 2393-2410. (Pubitemid 32804539)
39. Rhoads, B.L. & Sukhodolov, A.N. 2004. Spatial and temporal structure of shear-layer turbulence at a stream confluence. Water Resources Research 40: W06304, doi:10.1029/2003WR002811.
40. Roy, A.G. & Bergeron, N. 1990. Flow and particle paths in a natural river confluence with coarse bed material. Geomorphology 3: 99-112.
41. Roy, A.G., Roy, R. & Bergeron, N. 1988. Hydraulic geometry and changes in flow velocity at a river confluence with coarse bed material. Earth Surface Processes and Landforms 13: 583-598.
42. Rutherford, J.C. 1994. River Mixing. Chichester: JohnWiley.
43. Sukhodolov, A.N. & Rhoads, B.L. 2001. Field investigation of three-dimensional flow structure at stream confluences 2. Turbulence.Water Resources Research 37: 2411-2424. (Pubitemid 32804540)
44. Uijttewaal, W.S.J. & Booij, R. 2000. Effects of shallowness on the development of free-surface mixing layers. Physics of Fluids 12: 392-402.
45. Uijttewaal, W.S.J. & Tukker, J. 1998. Development of quasi two-dimensional structures in a shallow free-surface mixing layer. Experiments in Fluids 24: 192-200. (Pubitemid 128552103)
46. Weerakoon, S.B., Kawahara, Y. & Tamai, N. 1991. Threedimensional flow structure in channel confluences of rectangular section. Proceedings of the XXIV Congress, IAHR, A373-380, Madrid, Spain.
47. Weerakoon, S.B. & Tamai, N. 1989. Three-dimensional calculation of flow in river confluences using boundaryfitted coordinates. Journal of Hydroscience and Hydraulic Engineering 7: 51-62.