Modelling Reach-Scale Fluvial Flows

Computational Fluid Dynamics: Applications in Environmental Hydraulics

Volumn , Issue , 2005, Pages 215-269

  Lane, Stuart N ^a   Ferguson, Robert I ^a  

^a DURHAM UNIVERSITY   (United Kingdom)

Author keywords

Bed roughness; Boundary condition specification; Continuum mechanics approach; Flow processes; One dimensional approaches; Open channel confluences; Physical Habitat Simulation System (PHABSIM); Reach scale fluvial flows; Reach scale application

Indexed keywords

EID: 84889334206     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1002/0470015195.ch10     Document Type: Chapter

References (146)

1. Apsley, D. and Hu, W., 2003. CFD simulation of two-and three-dimensional free-surface flow. International Journal for Numerical Methods in Fluids, 42, 465-491.
2. Armanini, A. and di Silvio, G., 1988. A one-dimensional model for the transport of a sediment mixture in non-equilibrium conditions. Journal of Hydraulics Research, 26, 275-292.
3. Ashmore, P., Ferguson, R.I. Prestegaard, K., Ashworth, P. and Paola, C., 1992. Secondary flow in anabranch confluences of a braided, gravel-bed stream. Earth Surface Processes and Landforms, 17, 299-311.
4. Ashworth, P.J. and Ferguson, R.I., 1989. Size-selective entrainment of bedload in gravel-bed streams. Water Resources Research, 25, 627-634.
5. Bates, P.D. and De Roo, A.P.J., 2000. A simple raster-based model for flood inundation simulation. Journal of Hydrology, 236, 54-57.
6. Bathurst, J.C., Thorne, C.R. and Hey, R.D., 1979. Secondary flow and shear stress at river bends. Journal of the Hydraulics Division, ASCE, 105, 1277-1295.
7. Bernard, R.S. and Schneider, M.L., 1992. Depth-averaged numerical modelling for curved channels. Technical Report HL-92-9, US Army Corps Engineers, Waterways Experiment Research Station, Vicksburg, Mississippi, US.
8. Best, J.L., 1987. Flow dynamics at river channel confluences: Implications for sediment transport and bed morphology. In Etheridge, F.G., Flores, R.M. and Harvey, M.D. (eds), Recent Developments in Fluvial Sedimentology, SEPM Special Publication, 39, 27-35.
9. Best, J.L. and Ashworth, P.J., 1997. Scour in large braided rivers, and the recognition of sequence stratigraphic boundaries. Nature, 387, 275-277.
10. Best, J.L. and Roy, A.G., 1991. Mixing-layer distortion at the confluence of channels of different depth. Nature, 350, 411-413.
11. Biron, P.M., Best, J.L. and Roy, A.G., 1996. Effects of bed discordance on flow dynamics at river channel confluences. Journal of Hydraulic Engineering, ASCE, 122, 676-682.
12. Biron, P.M., Richer, A., Kirkbride, A.D., Roy, A.G. and Han, S., 2002. Spatial patterns of water surface topography at a river confluence. Earth Surface Processes and Landforms, 27, 913-928.
13. Booker, D.J., Sear, D.A. and Payne, A.J., 2001. Modelling three-dimensional flow structures and patterns of boundary shear stress in a natural pool-riffle sequence. Earth Surface Processes and Landforms, 26, 553-576.
14. Bradbrook, K.F., 1999. Numerical, Field and Laboratory Studies of Three-Dimensional Flow Structures at River Channel Confluences. Thesis submitted in partial fulfilment of the requirements for award of the PhD degree, University of Cambridge, 362pp.
15. Bradbrook, K.F., Biron, P., Lane, S.N., Richards, K.S. and 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.
16. Bradbrook, K.F., Lane, S.N. and Richards, K.S., 2000a. Numerical simulation of timeaveraged flow structure at river channel confluences. Water Resources Research, 36, 2731-2746.
17. Bradbrook, K.F., Lane, S.N., Richards, K.S., Biron, P.M. and Roy, A.G., 2000b. Large Eddy Simulation of periodic flow characteristics at river channel confluences. Journal of Hydraulic Research, 38, 207-216.
18. Bradbrook, K.F., Lane, S.N., Richards, K.S., Biron, P.M. and Roy, A.G., 2001. Flow structures and mixing at an asymmetrical open-channel confluence: A numerical study. Journal of Hydraulic Engineering, ASCE, 127, 351-368.
19. Butler, J.B., Lane, S.N. and Chandler, J.H., 2001. Application of two-dimensional fractal analysis to the characterisation of gravel-bed river surface structure. Mathematical Geology, 33, 301-330.
20. Caleffi, V., Valiani, A. and Zanni, A., 2003. Finite volume method for simulating extreme flood events in natural channels. Journal of Hydraulic Research, 41, 167-177.
21. Cao, Z., Carling, P. and Oakey, R., 2003. Flow reversal over a natural pool-riffle sequence: A computational study. Earth Surface Processes and Landforms, 28, 689-705.
22. Carling, P.A. and Wood, N., 1994. Simulation of flow over pool-riffle topography: A consideration of the velocity reversal hypothesis. Earth Surface Processes and Landforms, 19, 319-322.
23. Chandler, J.H., Lane, S.N. and Richards, K.S., 1996. The determination of water surface morphology at river channel confluences using automated digital photogrammetry and their consequent use in numerical flow modelling. International Archives of Photogrammetry and Remote Sensing, XXXI(B7), 99-104.
24. Church, M.A. and Jones, D., 1982. Channel bars in gravel-bed rivers. In Hey, R.D., Bathurst, J.C. and Thorne, C.R. (eds), Gravel-Bed Rivers, Wiley, Chichester, 291-338.
25. Clifford, N.J., 1992. Formation of riffle pool sequences-field evidence for an autogenic process. Sedimentary Geology, 85, 39-51.
26. Cornelius, C., Volgmann, W. and Stoff, H., 1999. Calculation of three-dimensional turbulent flow with a finite volume multigrid method. International Journal of Numerical Methods in Fluids, 31, 703-720.
27. Crowder, D.W. and Diplas, P., 2000a. Evaluating spatially explicit metrics of stream energy gradients using hydrodynamic model simulations. Canadian Journal of Fisheries and Aquatic Science, 57, 1497-1507.
28. Crowder, D.W. and Diplas, P., 2000b. Using two-dimensional hydraulic models at scales of ecological importance. Journal of Hydrology, 230, 172-191.
29. Crowder, D.W. and Diplas, P., 2002. Assessing changes in watershed flow models with spatially explicit hydraulic models. Journal of the American Water Resources Association, 38, 397-408.
30. Cui, Y., Parker, G., Pizzuto, J.E. and Lisle, T.E., 2003. Sediment pulses in mountain rivers, Part II: Comparison between experiments and numerical predictions. Water Resources Research, 39(9), 1240.
31. Darby, S.E., Alabyan, A.M. and Van de Wiel, M.J., 2002. Numerical simulation of bank erosion and channel migration in meandering rivers. Water Resources Research, 38(9), 1163, DOI:10.1029/2001WR000602.
32. Demuren, A., 1993. A numerical model for flow in meandering channels with natural bed topography. Water Resources Research, 29, 1269-1277.
33. Demuren, A.O. and Rodi, W., 1986. Calculation of flow and pollutant dispersion in meandering channels. Journal of Fluid Mechanics, 172, 63-92.
34. Dietrich, W.E. and Smith, J.D., 1983. Influence of the point bar on flow through curved channels. Water Resources Research, 19, 1173-1192.
35. Dietrich, W.E. and Smith, J.D., 1984. Bed load transport in a river meander. Water Resources Research, 20, 1355-1380.
36. Dietrich, W.E. and Whiting, P.J., 1989. Boundary shear stress and sediment transport in river meanders of sand and gravel. In Ikeda, S. and Parker, G. (eds), River Meandering, AGU Water Resources Monograph, 12, 1-50.
37. Duan, J.G., Wang, S.S.Y. and Jia, Y., 2001. The application of the enhanced CCHE2D model to study the alluvial channel migration process. Journal of Hydraulic Research, 39, 469-480.
38. Egiazaroff, I.V., 1965. Calculation of nonuniform sediment concentrations. Journal of Hydraulics Division, ASCE, 91, 225-247.
39. Elso, J.I. and Giller, P.S., 2001. Physical characteristics influencing the utilization of pools by brown trout in an afforested catchment in Southern Ireland. Journal of Fish Biology, 58, 201-221.
40. Ferguson, R.I., 2003. The missing dimension: Effects of lateral variation on 1-D calculations of fluvial bedload transport. Geomorphology, 56, 1-14.
41. Ferguson, R.I. and Ashworth, P.J., 1992. Spatial patterns of bedload transport and channel change in braided and near-braided rivers. In Billi, P., Hey, R.D., Thorne, C.R. and Tacconi, P. (eds), Dynamics of Gravel-Bed Rivers, Wiley, Chichester, 477-496.
42. Ferguson, R.I. and Parsons, D.R., 2004. Flow structures in meander bends with recirculation. In Jirka, G. and Uijttewaal, W. (eds), Shallow Flows, Balkema, Leiden, 325-331.
43. Ferguson, R.I., Church, M. and Weatherly, H., 2001. Fluvial aggradation in Vedder river: Testing a one-dimensional sedimentation model. Water Resources Research, 37, 3331-3347.
44. Ferguson, R.I., Parsons, D.R., Lane, S.N. and Hardy, R.J., 2003. Flow in meander bends with recirculation at the inner bank. Water Resources Research, 39, 2003WR001965.
45. Ferziger, J.H. and Perić , M., 1999. Computational Methods for Fluid Dynamics, 2nd edition, Springer, Berlin, 389pp.
46. Ghanem, A., Steffler, P. and Hicks, F., 1996. Two-dimensional hydraulic simulation of physical habitat conditions in flowing streams. Regulated Rivers: Research and Management, 12, 185-200.
47. Gilvear, D.J., Heal, K.V. and Stephen, A., 2002. Hydrology and the ecological quality of Scottish river ecosystems. Science of the Total Environment, 294, 131-159.
48. Guay, J.C., Boisclair, D., Rioux, D., Leclerc, M., Lapointe, M. and Legendre, P., 2000. Development and validation of numerical habitat models for juveniles of Atlantic salmon (Salmo salar). Canadian Journal of Fisheries and Aquatic Science, 57, 2065-2075.
49. Guo, Q-C. and Jin, Y-C., 1999. Modelling sediment transport using depth-averaged and moment equations. Journal of Hydraulic Engineering, 125, 1262-1269.
50. Hardy, R.J., Lane, S.N., Ferguson, R.I. and Parsons, D., 2003. Assessing the credibility of a series of computational fluid dynamic (CFD) simulations of open channel flow. Hydrological Processes, 17, 1539-1560.
51. Hayes, J.W. and Jowett, I.G., 1994. Microhabitat models of large drift-feeding brown trout in three New Zealand rivers. North American Journal of Fisheries Management, 14, 710-725.
52. Heniche, M., Secretan, Y., Boudreau, P. and Leclerc, M., 2002. Dynamic tracking of flow boundaries in rivers with respect to discharge. Journal of Hydraulic Research, 40, 589-602.
53. Hey, R.D., 1979. Flow resistance in gravel-bed rivers. Journal of the Hydraulics Division, ASCE, 105, 365-379.
54. Hirano, M., 1971. River bed degradation with armouring. Transactions of the Japanese Society of Civil Engineers, 3, 194-195.
55. Hodskinson, A., 1996. Computational fluid dynamics as a tool for investigating separated flow in river bends. Earth Surface Processes and Landforms, 21, 993-1000.
56. Hodskinson, A. and Ferguson, R.I., 1998. Numerical modelling of separated flow in river bends: Model testing and experimental investigation of geometric controls on the extent of flow separation at the concave bank. Hydrological Processes, 12, 1323-1338.
57. Hoey, T.B. and Ferguson, R.I., 1994. Numerical modelling of downstream fining by selective transport in gravel-bed rivers: Model development and illustration. Water Resources Research, 30, 2251-2260.
58. Hoey, T.B. and Ferguson, R.I., 1997. Controls of strength and rate of downstream fining above a river base level. Water Resources Research, 33, 2601-2608.
59. Horritt, M., 2004. Development and testing of a simple 2D finite volume model of sub-critical shallow water flow. International Journal for Numerical Methods in Fluids, 44, 1231-1255.
60. Howard, A.D., 1992. Modelling channel migration and floodplain construction. In Carling and Petts (eds), Lowland Floodplain Rivers, Wiley, Chichester, 1-41.
61. Johannesson, H. and Parker, G., 1989. Linear theory of river meanders. In Ikeda, S. and Parker, G. (eds), River Meandering, AGU Geophysical Monograph, 181-214.
62. Kassem, A.A. and Chaudhury, M.H., 2002. Numerical modelling of bed evolution in channel bends. Journal of Hydraulic Engineering, 128, 507-514.
63. Keller, E.A., 1971. A real sorting of bed material: The hypothesis of velocity-reversal. Geological Society of America Bulletin, 83, 915-918.
64. Keller, E.A., 1972. Development of alluvial streams, a five stage model. Geological Society of America Bulletin, 83, 1531-1536.
65. Keller, E.A. and Florsheim, J.L., 1993. Velocity reversal hypothesis: A model approach. Earth Surface Processes and Landforms, 18, 733-740.
66. Kennedy, G.J.A. and Strange, C.D., 1982. The distribution of salmonids in upland streams in relation to depth and gradient. Journal of Fish Biology, 20, 579-591.
67. Lancaster, J. and Hildrew, A.G., 1993. Flow refugia and the microdistribution of lotic macroinvertebrates. Journal of the North American Benthological Society, 12, 385-393.
68. Lancaster, S.T. and Bras, R.L., 2002. A simple model of river meandering and its comparison to natural channels. Hydrological Processes, 16, 1-26.
69. Lane, S.N., 1998. Hydraulic modelling in hydrology and geomorphology: A review of high resolution approaches. Hydrological Processes, 12, 1131-1150.
70. Lane, S.N. and Hardy, R.J., 2002. Porous rivers: A new way of conceptualising and modelling river and floodplain flows? In Ingham, D.B. and Pop, I. (eds), Transport Phenomena in Porous Media, 2, Elsevier, Pergamon.
71. Lane, S.N. and Richards, K.S., 1998. Two-dimensional modelling of flow processes in a multithread channel. Hydrological Processes, 12, 1279-1298.
72. Lane, S.N., Richards, K.S. and Chandler, J.H., 1994. Distributed sensitivity analysis in modelling environmental systems. Proceedings of the Royal Society, Series A, 447, 49-63.
73. Lane, S.N., Bradbrook, K.F., Richards, K.S., Biron, P.M. and Roy, A.G., 1999. The application of computational fluid dynamics to natural river channels: three-dimensional versus two-dimensional approaches. Geomorphology, 29, 1-20.
74. Lane, S.N., Bradbrook, K.F., Richards, K.S., Biron, P.M. and Roy, A.G., 2000. Secondary circulation in river channel confluences: Measurement myth or coherent flow structure? Hydrological Processes, 14, 2047-2071.
75. Lane, S.N., Hardy, R.J., Elliott, L. and Ingham, D.B., 2002. High resolution numerical modelling of three-dimensional flows over complex river bed topography. Hydrological Processes, 16, 2261-2272.
76. Lane, S.N., Hardy, R.J., Elliott, L. and Ingham, D.B., 2004. Numerical modelling of flow processes over gravely-surfaces using structured grids and a numerical porosity treatment. Water Resources Research, W01302 JAN 8 2004.
77. Lane, S.N., Hardy, R.J., Keylock, C.J., Ferguson, R.I. and Parsons, D.R., in review. The implications of complex river bed structure for numerical modelling and the identification of channel-scale flow structures. Earth Surface Processes and Landforms.
78. Launder, B.E. and Spalding, D.B., 1974. The numerical computation of turbulent flows. Computer Methods in Applied Mechanics and Engineering, 3, 269-289.
79. Leclerc, M., Boudreault, A., Bechara, J.A. and Corfa, G., 1995. Two-dimensional hydrodynamic modelling: A neglected tool in the Instream Flow Incremental Methodology. Transactions of the American Fisheries Society, 124, 645-662.
80. Leclerc, M., Boudreault, A., Bechara, J.A. and Belzile, L., 1996. Numerical method for modelling spawning habitat dynamics of landlocked salmon, Salmo salar. Regulated Rivers: Research and Management, 12, 273-285.
81. Lee, A.J. and Ferguson, R.I., 2002. Velocity and flow resistance in step-pool streams. Geomorphology, 46, 59-71.
82. Leschziner, M.A. and Rodi, W., 1979. Calculation of strongly curved open channel flow. Journal of Hydraulic Engineering, 105, 1297-1314.
83. Ma, L., Ashworth, P.J., Best, J.L., Elliott, L., Ingham, D.B. and Whitcombe, L.J., 2001. Computational fluid dynamics and the physical modelling of an upland river. Geomorphology, 44, 375-391.
84. Maddock, I.P., Bickerton, M.A. and Spence, R., 2001. Reallocation of compensation releases to restore river flows and improve instream habitat availability in the Upper Derwent catchment, Derbyshire, UK. Regulated Rivers, 17, 417-441.
85. Meselhe, E.A. and Sotiropolous, F., 2000. Three-dimensional numerical model for openchannels with free surface variations. Journal of Hydraulic Research, 38, 115-121.
86. Milhous, R., Updike, M. and Snyder, D., 1989. PHABSIM system reference manual: Version 2. US Fish and Wildlife Service, FWS/OBS 89/16 (Instream Flow Information Paper 26).
87. Milhous, R.T., Wegner, D.L. and Waddle, T., 1984. Users guide to the physical habitat simulation system. US Fish and Wildlife Service Biological Services Program, FWS/OBS-81/43.
88. Miller, A.J., 1994. Debris-fan constrictions and flood hydraulics in river canyons: Some implications from two-dimensional modelling. Earth Surface Processes and Landforms, 19, 681-697.
89. Morvan, H., Pender, G., Wright, N.G. and Ervine, D.A., 2002. Three-dimensional hydrodynamics of meandering compound channels. Journal of Hydraulic Engineering, 128, 674-682.
90. Nagata, N., Hosoda, T. and Muramoto, Y., 2000. Numerical analysis of river channel processes with bank erosion. Journal of Hydraulic Engineering, 126, 243-252.
91. Nelson, J.M. and Smith, J.D., 1989a. Evolution and stability of erodible channel beds. In Ikeda, S. and Parker, G. (eds), River Meandering, AGU Geophysical Monograph, 321-378.
92. Nelson, J.M. and Smith, J.D., 1989b. Flow in meandering channels with natural topography.
93. In Ikeda, S. and Parker, G. (eds), River Meandering, AGU Geophysical Monograph, 69-102.
94. Nezu, I., Tominaga, A. and Nakagawa, H., 1993. Field-measurements of secondary currents in straight rivers. Journal of Hydraulic Engineering, 119, 598-564.
95. Nicholas, A.P., 2000. Modelling bedload yield in braided gravel bed rivers. Geomorphology, 36, 89-106.
96. Nicholas, A.P., 2001. Computational fluid dynamics modelling of boundary roughness in gravel-bed rivers: An investigation of the effects of random variability in bed elevation. Earth Surface Processes and Landforms, 26, 345-362.
97. Nicholas, A.P. and Smith, G.H.S., 1999. Numerical simulation of three-dimensional flow hydraulics in a braided channel. Hydrological Processes, 13, 913-929.
98. Odgaard, A.J. and Bergs, M.A., 1988. Flow processes in a curved alluvial channel. Water Resources Research, 24, 45-56.
99. Olsen, N.R.B., 2003. Three-dimensional CFD modeling of self-forming meandering channel. Journal of Hydraulic Engineering, 129, 366-372.
100. Olsen, N.R.B. and Stoksteth, S., 1995. Three-dimensional numerical modelling of water flow in a river with large bed roughness. Journal of Hydraulic Research, 33, 571-581.
101. Paola, C., 1996. Incoherent structure: Turbulence as a metaphor for stream braiding. In Ashworth, P.J. Bennett, S., Best, J.L., and McLelland, S.M (eds), Coherent Flow Structures in Open Channels, Wiley, Chichester, 705-723.
102. Parker, G., 1990. Surface-based bedload transport relationship for gravel rivers. Journal of Hydraulic Research, 28, 417-436.
103. Parker, G. and Sutherland, A.J., 1990. Fluvial armor. Journal of Hydraulic Research, 28, 529-543.
104. Prandtl, L., 1952. Essentials of Fluid Dynamics. Blackie & Sons, London.
105. Rahuel, J.L., Holly, F.M., Chollet, J.P., Belleudy, P.J. and Yang, G., 1989. Modelling of riverbed evolution for bedload sediment mixtures. Journal of Hydraulic Engineering, 115, 1521-1542.
106. Raleigh, R.F., Zuckerman, L.D. and Nelson, P.C., 1986. Habitat suitability index models and instream flow suitability curves: Brown trout revised. US Fish and Wildlife Service Biological Report, 82(10.124).
107. Rameshwaran, P. and Naden, P.S., 2003. Three-dimensional numerical simulation of compound channel flows. Journal of Hydraulic Engineering, 129, 645-652.
108. Rhoads, B.L., 1996. Mean structure of transport-effective flows at an asymmetrical confluence when the main stream is dominant. In Ashworth, P.J., Bennett, S., Best, J.L. and McLelland, S.M. (eds), Coherent Flow Structures in Open Channels, Wiley, Chichester, 459-490.
109. Rhoads, B.L. and Kenworthy, S.T., 1995. Flow structure at an asymmetrical stream confluence. Geomorphology, 11, 273-293.
110. Rhoads, B.L. and Kenworthy, S.T., 1998. Time-averaged flow structure in the central region of a stream confluence. Earth Surface Processes and Landforms, 23, 171-191.
111. Rhoads, B.L. and Sukhodolov, A.N., 2001. Field investigation of three-dimensional flow structure at stream confluences: 1. Thermal mixing and time-averaged velocities. Water Resources Research, 37, 2393-2410.
112. Richards, K.S., 1978. Simulation of flow geometry in a riffle-pool stream. Earth Surface Processes, 3, 345-354.
113. Richards, K.S., 1982. Rivers: Form and Process in Alluvial Channels. Methuen, London.
114. Robert. A. and Richards, K.S., 1988. On the modelling of sand bedforms using the semivariogram. Earth Surface Processes and Landforms, 13, 459-473.
115. Robinson, R.A.J. and Slingerland, R.L., 1998. Origin of fluvial grain-size trends in a foreland basin: Pocono Formation of the central Appalachian basin. Journal of Sedimentary Research, 68, 473-486.
116. Rodi, W., 1980. Turbulence Models and Their Application in Hydraulics. IAHR, Delft, 104pp.
117. Rodi, W., Pavlovic, R.N. and Srivatsa, S.K., 1981. Prediction of flow and pollutant spreading in rivers. In Fischer, H.B. (ed.), Transport Models for Inland and Coastal Waters, Academic Press, New York, 542pp.
118. Seminara, G. and Tubino, M., 1989, Alternate bars and meandering: Free, forced, and mixed interactions. In Ikeda, S. and Parker, G. (eds), River Meandering, AGU Geophysical Monograph, 267-320.
119. Shankar, N.J., Chan, E.S. and Zhang, Q.Y., 2001. Three-dimensional numerical simulation for an open channel flow with a constriction. Journal of Hydraulic Research, 39, 187-201.
120. Shimizu, Y. and Itakura, T., 1989. Calculation of bed variation in alluvial channels. Journal of Hydraulic Engineering, ASCE, 115, 367-384.
121. Shimizu, Y., Yamaguchi, H. and Itakura, T., 1990. Three-dimensional computation of flow and bed deformation. Journal of Hydraulic Engineering, ASCE, 116, 1090-1106.
122. Smith, N.D., 1974. Sedimentology and bar formation in the Upper Kicking Horse River, a braided outwash stream. Journal of Geology, 82, 205-223.
123. Struiksma, N. and Crosato, A., 1989. Analysis of a two-dimensional bed topography model for rivers. In Parker, G. (ed.), River Meandering, American Geophysical Union Monograph, 153-180.
124. Sun, T., Meakin, P. and Jossang, T., 1996. A simulation model for meandering rivers. Water Resources Research, 32, 2937-2954.
125. Talbot, T. and Lapointe, M., 2002. Numerical modeling of gravel bed river response to meander straightening: The coupling between the evolution of bed pavement and long profile. Water Resources Research, 38, DOI:10.1029/2001WR000330.
126. Thompson, D.M., Wohl, E.E. and Jarrett, R.D., 1996. A revised velocity-reversal and sedimentsorting model for a high-gradient, pool-riffle stream. Physical Geography, 17, 142-156.
127. Thompson, D.M., Nelson, J.M. and Wohl, E.E., 1998. Interactions between pool geometry and hydraulics. Water Resources Research, 34, 3673-3681.
128. Thorne, C.R. and Hey, R.D., 1979. Direct measurements of secondary currents at a river inflexion point. Nature, 280, 226-228.
129. Tiffan, K.F., Garland, R.D. and Rondorf, D.W., 2002. Quantifying flow-dependent changes in subyearling fall Chinook Salmon rearing habitat using two-dimensional spatially explicit modelling. North American Journal of Fisheries Management, 22, 713-726.
130. Tingsanchali, T. and Maheswaran, S., 1990. Two-dimensional depth-averaged flow computation near groynes. Journal of Hydraulic Engineering, ASCE, 116, 103-125.
131. Toro-Escobar, C.M., Parker, G. and Paola, C., 1996. Transfer function for the deposition of poorly sorted gravel in response to streambed aggradation. Journal of Hydraulic Research, 34, 35-53
132. Van Niekerk, A., Vogel, K.R., Slingerland, R.L. and Bridge, J.S., 1992. Routing of heterogeneous sediments over movable bed: Model development. Journal of Hydraulic Engineering, 118, 246-261.
133. Vanoni, V.A., 1984. Fifty years of sedimentation. Journal of Hydraulic Engineering, 110, 1021-1057.
134. Vismara, R., Azzellino A., Bosi, R., Crosa, G. and Gentili, G., 2001. Habitat suitability curves for brown trout (Salmo trutta fario L.) in the River Adda, Northern Italy: Comparing univariate and multivariate approaches. Regulated Rivers, 17, 37-50.
135. Wallis, S.G. and Manson, J.R., 1997. Accurate numerical simulation of advection using large time steps. International Journal of Numerical Methods in Fluids, 24, 127-139.
136. Wan, Q., Wan, H.T., Zhou, C.H. and Wu, Y.X., 2002. Simulating the hydraulic characteristics of the lower Yellow River by the finite-volume technique. Hydrological Processes, 16, 2767-2779.
137. Ward, J.V., Malard, F. and Tockner, K., 2001. Landscape ecology: A framework for integrating pattern and process in river corridors. Landscape Ecology, 17, 35-45.
138. Weerakoon, S.B. and Tamai, N., 1989. Three-dimensional calculation of flow in river confluences using boundary fitted co-ordinates. Journal of Hydroscience and Hydraulic Engineering, 7, 51-62.
139. Weerakoon, S.B., Kawahara, Y. and Tamai, N., 1991. Three-dimensional flow structure in channel confluences of rectangular section. Proceedings of the 25th I.A.H.R. Congress A, IAHR, Madrid, 373-380.
140. Whiting, P.J. and Dietrich, W.E., 1991. Convective accelerations and boundary shear stress over a channel bar. Water Resources Research, 27, 783-796.
141. Whiting, P.J. and Dietrich, W.E., 1993. Experimental studies of bed topography and flow patterns in large-amplitude meanders, 1. Observations. Water Resources Research, 29, 3605-3614.
142. Wiberg, P.L. and Smith, J.D., 1991. Velocity distribution and bed roughness in high-gradient streams. Water Resources Research, 27, 825-838.
143. Wilcock, P.R. and Crowe, J.C., 2003. A surface-based transport model for sand and gravel. Journal of Hydraulic Engineering, 129, 120-128.
144. Wilson, C.A.M.E., Boxall, J.B., Guymer, I. and Olsen, N.R.B., 2003. Validation of a threedimensional numerical code in the simulation of pseudo-natural meandering flows. Journal of Hydraulic Engineering, 129, 758-768.
145. Wu, W., Rodi, W. and Wenka, T., 2000. 3D numerical modelling of flow and sediment transport in open channels. Journal of Hydraulic Engineering, 126, 4-15.
146. Yeh, K-C. and Kennedy, J.F., 1993. Moment model of non-uniform channel-bend flow; 1 Fixed Bed. Journal of Hydraulic Engineering, ASCE, 119, 776-795.