Intensity and characteristic length of braided channel patterns

Canadian Journal of Civil Engineering

Volumn 36, Issue 10, 2009, Pages 1656-1666

  Ashmore, Peter ^a  

^a UNIVERSITY OF WESTERN ONTARIO   (Canada)

Author keywords

Bars; Bifurcation; Braiding; Channel pattern; Fluvial geomorphology; River mechanics; River regime; Sediment transport

Indexed keywords

BARS; BIFURCATION; BRAIDING; CHANNEL PATTERN; FLUVIAL GEOMORPHOLOGY; RIVER MECHANICS;

BIFURCATION (MATHEMATICS); EROSION; GEOMORPHOLOGY; LANDFORMS; MECHANICS; SEDIMENT TRANSPORT; SEDIMENTOLOGY;

RIVERS;

BEDLOAD; BIFURCATION; BRAIDED RIVER; CHANNEL FLOW; CONFLUENCE; GRADIENT ANALYSIS; GRAIN SIZE; RIVER FLOW; SEDIMENT TRANSPORT;

EID: 70350707640     PISSN: 03151468     EISSN: None     Source Type: Journal    
DOI: 10.1139/L09-088     Document Type: Article

References (47)

1. Ashmore, P.E. 1985. Process and form in gravel braided streams: laboratory modelling and field observations. Ph.D. thesis, University of Alberta, Edmonton, Alta.
2. Ashmore, P.E. 1991a. Channel morphology and bed-load pulses in braided gravel-bed streams. Geografiska Annaler, 73(1): 37-52. doi:10.2307/521212.
3. Ashmore, P.E. 1991b. How do gravel bed rivers braid? Canadian Journal of Earth Sciences, 28(3): 326-341.
4. Ashmore, P.E. 2001. Braiding phenomena: statics and kinetics, In Gravel Bed Rivers V. Edited by M.P. Mosley. New Zealand Hydrological Society, Christchurch, New Zealand. pp. 95-120.
5. Ashmore, P., and Gardner, J.T. 2008. Unconfined confluences as elements of braided river morphology. In River Confluences, Tributaries and the Fluvial Network. Edited by S. Rice, A. Roy, and B. Rhoads. Wiley, Chichester, UK. pp. 119-143.
6. Bertoldi, W. 2005. River bifurcations. In Monographs of the School of Doctoral studies in Environmental Engineering, No. 6. University of Trento, Italy. 123 p.
7. Bertoldi, W., and Tubino, M. 2005. Bed and bank evolution of bifurcating channels. Water Resources Research, 41(7): W07001. doi:10.1029/2004WR003333.
8. Bertoldi, W., and Tubino, M. 2007. River bifurcations: experimental observations on equilibrium configurations. Water Resources Research, 43(10): W10437. doi:10.1029/2007WR005907.
9. Bertoldi, W., Ashmore, P., and Tubino, M. 2009a. A method for estimating the mean bedload flux in braided rivers. Geomorphology, 103(3): 330-340. doi:10.1016/j.geomorph.2008.06.014.
10. Bertoldi, W., Zanoni, L., and Tubino, M. 2009b. Planform dynamics of braided streams. Earth Surface Processes and Landforms, 34(4): 547-557. doi:10.1002/esp.1755.
11. Bettess, R., and White, W.R. 1983. Meandering and braiding of alluvial channels. Proceedings of the Institute of Civil Engineers, 75(3): 525-538.
12. Blench, T. 1969. Mobile-bed fluviology. The University of Alberta Press, Edmonton, Alta.
13. Bolla, M., Federici, B., Repetto, R., Paola, C., Seminara, G., and Tubino, M. 2001. The morphodynamics of braiding rivers: experimental and theoretical results of unit processes. In Gravel Bed Rivers V. Edited by P.M. Mosley New Zealand Hydrological Society, Christchurch, New Zealand. pp. 143-180.
14. Bray, D. 1982. Regime relations for gravel-bed rivers. In Gravel-Bed Rivers. Edited by R.D. Hey, J.C. Bathurst, and C.R. Thorne. John Wiley, Chichester, UK. pp. 517-542.
15. Bridge, J.S. 1993. The interaction between channel geometry, water flow, sediment transport and deposition in braided rivers. In Braided Rivers: Form, Process and Economic Application. Edited by J.L. Best and C. Bristow. Geological Society Special Publication 75. Geological Society, London. pp. 13-71.
16. Carson, M.A. 1984. The meandering-braided river threshold: A reappraisal. Journal of Hydrology (Amsterdam), 73(3-4): 315-334. doi:10.1016/0022-1694(84)90006-4.
17. Chew, L.C., and Ashmore, P.E. 2001. Channel adjustment and a test of rational regime theory in a proglacial braided stream. Geomorphology, 37(1-2): 43-63. doi:10.1016/S0169-555X(00) 00062-3.
18. Church, M., Moore, D. and Rood, K. 1981. Catalogue of alluvial channel regime data. Department of Geography, University of British Columbia.
19. Dietrich, W.E., 1987. Mechanics of flow and sediment transport in river bends. In River Channels: environment and process. Edited by K. Richards, The Institute of British Geographers, Blackwell, Oxford, pp. 179-227.
20. Egozi, R. 2006. Channel pattern variation in gravel-bed rivers. Ph.D. thesis, University of Western Ontario, London, Ont
21. Egozi, R., and Ashmore, P.E. 2008. Defining and measuring braiding intensity. Earth Surface Processes and Landforms, 33(14): 2121-2138. doi:10.1002/esp.1658.
22. Egozi, R., and Ashmore, P. 2009. Experimental analysis of braided channel pattern response to increased discharge. Journal of Geophysical Research, 114(F2): F02012. doi:10.1029/ 2008JF001099.
23. Federici, B., and Paola, C. 2003. Dynamics of channel bifurcations in noncohesive sediments. Water Resources Research, 39(6): 1162. doi:10.1029/2002WR001434.
24. Ferguson, R.I. 1987. Hydraulic and sedimentary controls of channel pattern. In River Channels: environment and process. Edited by K. Richards, The Institute of British Geographers, Blackwell, Oxford, pp. 129-158.
25. Ferguson, R.I. 1993. Understanding braiding processes in gravelbed rivers: progress and unsolved problems. In Braided Rivers: Form, Process and Economic Epplication. Edited by J.L. Best and C. Bristow. Geological Society Special Publication 75. Geo-logical Society, London. pp. 73-87.
26. Fujita, Y. 1989. Bar and channel formation in braided streams. In River Meandering. Edited by S. Ikeda and G. Parker. Monograph 12. American Geophysical Union Water Resources, Washington, D.C. pp. 417-462.
27. Galay, V.J., Rood, K.M., and Miller, S. 1998. Human interference with braided gravel-bed rivers. In Gravel-bed Rivers in the Environment. Edited by P.C. Klingeman, R.L. Beschta, P.D. Komar, and J.B. Bradley. Water Resources Publications LLC, Highlands Ranch, Colo. pp. 471-512.
28. Gran, K., and Paola, C. 2001. Riparian vegetation controls on braided stream dynamics. Water Resources Research, 37(12): 3275-3283. doi:10.1029/2000WR000203.
29. Hundey, E. 2007. Length scales of braided river morphology. Honours thesis, University of Western Ontario, London, Ont.
30. Hundey, E., and Ashmore, P. 2009. Length scale of braided river morphology. Water Resources Research, 45(8): W08409. doi:10.1029/2008WR007521.
31. Ikeda, S. 1984. Prediction of alternate bar wavelength and height. Journal of Hydraulic Engineering, 110(4): 371-386. doi:10. 1061/(ASCE)0733-9429(1984)110:4(371).
32. Jang, C.-L., and Shimizu, Y. 2005. Numerical simulation of relatively wide, shallow channels with erodible banks. Journal of Hydraulic Engineering, 131(7): 565-575. doi:10.1061/(ASCE) 0733-9429(2005)131:7(565).
33. Kleinhans, M., Jagers, H.R.A., Mosselman, E., and Sloff, C.J. 2008. Bifurcation dynamics and avulsion duration in meandering rivers by one-dimensional and three-dimensional models. Water Resources Research, 44(8): W08454. doi:10.1029/2007WR005912.
34. Leopold, L. B. and Wolman, M. G., 1957. River channel patterns: braided, meandering and straight. U.S. Geological Survey Profesional Paper 282B, pp. 39-85.
35. Millar, R.G. 2000. Influence of bank vegetation on alluvial channel patterns. Water Resources Research, 36(4): 1109-1118. doi:10. 1029/1999WR900346.
36. Mosley, P.M. 1981. Semi-determinate hydraulic geometry of river channels, South Island, New Zealand. Earth Surface Processes and Landforms, 6(2): 127-137. doi:10.1002/esp.3290060206.
37. Murray, A.B., and Paola, C. 1994. A cellular model of braided rivers. Nature, 371(6492): 54-57. doi:10.1038/371054a0.
38. Paola, C. 2001. Modelling stream braiding over a range of scales. In Gravel Bed Rivers V. Edited by M.P. Mosley. New Zealand Hydrological Society, Christchurch, New Zealand. pp. 11-46.
39. Parker, G. 1976. On the cause and characteristic scales of meandering and braiding in rivers. Journal of Fluid Mechanics, 76(3): 457-480. doi:10.1017/S0022112076000748.
40. Parker, G., Wilcock, P., Paola, C., Dietrich, W., and Pitlick, J. 2007. Physical basis for quasi-universal relations for bankfull hydraulic geometry of single-thread gravel bed rivers. Journal of Geophysical Research, 112F4: F04005. doi:10.1029/2006JF000549.
41. Richards, K.S., 1982. Rivers: Form and process in alluvial channels. Methuen, New York.
42. Robertson-Rintoul, M.S.E., and Richards, K.S. 1993. Braided channel pattern and paleohydrology using an index of total sinuosity. In Braided Rivers: Form, Process and Economic Application. Edited by J.L. Best and C.S. Bristow. Geological Society Special Publication 75. Geological Society, London. pp. 113-118.
43. Tal, M., Gran, K., Murray, A.B., Paola, C., and Hicks, D.M. 2004. Riparian vegetation as a primary control on channel characteristics in multi-thread rivers. In Riparian Vegetation and Fluvial Geomorphology. Edited by S.J. Bennett and A. Simon. Mono-graph 8. American Geophysical Union, Water Science and Ap-plication, Washington, D.C. pp. 43-58.
44. Yalin, M.S. 1992. River Mechanics. Pergamon, Oxford.
45. Yalin, M.S., and da Silva, A.M.F. 2001. Fluvial Processes. International Association of Hydraulic Engineering and Research, Delft, The Netherlands.
46. Zanoni, L. 2008. Field and laboratory evidence of large scale dynamics in braided rivers. Ph.D. thesis, University of Trento, Italy.
47. Zolezzi, G., Bertoldi, W., and Tubino, M. 2006. Morphological analysis and prediction of channel bifurcations. In Braided Rivers: Process, Deposits, Ecology and Management. Edited by G. H. Sambrook-Smith, J. L. Best, C. S. Bristow, and G. E. Petts. Special Publication 36. International Association of Sedimentologists, Blackwell, Chichester, UK. pp. 227-250.