5 October Wednesday * 8:00 informational remarks SESSION WE-01 (Room A) Moderator: Ray Kostaschuk 01 8:05 presentation G.M. Smart A novel gravel entrainment investigation 02 8:25 presentation S. Francalanci, G. Parker & E. Paris Effects of non-hydrostatic pressure distribution on bedload transport 03 8:45 presentation Y. Cataño-Lopera & M.H. García Geometric and migrating characteristics of amalgamated bedforms under oscillatory flows 04 9:05 presentation C. Hauer & H. Habersack The effects of a catastrophic flood event on the morphodynamics of an Austrian river 05 9:25 presentation Y. Yoshikawa & Y.Watanabe Changes of the material transport depending on the flood scale 06 9:45 invited presentation Y. Zech, S. Soares-Frazão, B. Spinewine, M. Bellal & C. Savary The morphodynamics of super- and transcritical flow * 10:15 break SESSION WE-02 (Room A) Moderator: Ximing Cai 07 10:35 presentation J.A. Vasquez, R.G. Millar & P.M. Steffler Two-dimensional morphological simulation in transcritical flow 08 10:55 presentation C.J. Sloff, H.R.A. Jagers, E. Kobayashi & Y. Kitamura Enhanced flushing of sediment deposits in the backwater reach of reservoirs 09 11:15 presentation T. Shimada, Y.Watanabe & H. Yasuda Fine-grained sand behavior in a dam reservoir at the middle reaches of a river 10 11:35 presentation J.L. López, Z. Muñoz & M. Falcón Field observation and modeling of mountain stream response to control dams in Venezuela 11 11:55 presentation K. Ohashi & Y. Fujita Sedimentation in a series of dam reservoirs and their trap efficiency * 12:15 lunch SESSION WE-03 (Room A) Moderator: Yarko Nino 12 13:30 presentation C. Ancey, T. Böhm, P. Frey, M. Jodeau & J.-L. Reboud Saltating or rolling stones? 13 13:50 presentation S. Egashira & T. Itoh Paradoxical discussions of sediment transport formulas 14 14:10 presentation P.A. Carling,W. Tych & K. Richardson The hydraulic scaling of step-pool systems 15 14:30 presentation J.P. Martín-Vide & C. Ferrer-Boix River incision due to gravel mining: a case study 16 14:50 presentation K. Paik & P. Kumar River networks as emergent characteristics of open dissipative systems * 15:10 break SESSION WE-04 (Room A) Moderator: Bruce Rhoads 17 15:30 presentation X. Shao, H.Wang & H. Hu Predicting threshold for rill erosion on a small hillslope plot 18 15:50 presentation A. Pornprommin, N. Izumi & T. Tsujimoto Inception of channelization on slopes with arbitrary shapes: erosional and depositional case 19 16:10 presentation K. Osawa, S. Ikeda & S. Yamaguchi Field observation and WEPP application for sediment yield in an agricultural watershed 20 16:30 presentation F. Bombardelli & G. Gioja Towards a theoretical model of localized turbulent scouring 21 16:50 presentation Q. Lu, R.B. Nairn & J. Selegean Numerical modeling of potential erosion of the lower Sheboygan river,Wisconsin during extreme flood flows using CH3D-SED * 17:10 break 22 17:30 invited presentation J. Best The morphodynamics of river channel confluences: a synthesis and comparison of scales SESSION WE-05 (Room 210) Moderator: Jim Best 01 8:05 presentation K. Kobayashi, K. Hasegawa & K. Moriya Hydraulic properties of a bifurcated channel system with different bed slopes under sub-critical flow 02 8:25 presentation R.N. Szupiany, M.L. Amsler & J.J. Fedele Secondary flow at a scour hole downstream a bar-confluence (Paraná River, Argentina) 03 8:45 presentation W. Bertoldi, A. Pasetto, L. Zanoni & M. Tubino Experimental observations on channel bifurcations evolving to an equilibrium state 04 9:05 presentation S. Miori, R. Repetto & M. Tubino Morphological evolution of bifurcations in gravel-bed rivers with erodible banks 05 9:25 presentation B.L. Rhoads Scaling of confluence dynamics in river systems: some general considerations * 9:55 invited presentation (Room A) * 10:15 break SESSION WE-06 (Room 210) Moderator: Giovanni Seminara 06 10:35 presentation H.A. Toniolo & P. Kodial Suspended sediment load variation in a sub-arctic watershed in interior Alaska 07 10:55 presentation J.G. Duan Unsteady flow simulation of alternative bars in a semi-circle bend 08 11:15 presentation A. Teramoto & T. Tsujimoto Effects of size heterogeneity of bed materials on mechanism to determine bar mode 09 11:35 presentation R.M.J. Schielen, T. van Leeuwen & P.A. Zegeling Numerical simulation of alternating bars in straight channels 10 11:55 presentation H. Miwa, A. Daido & T. Katayama Effect of river bed degradation and aggradation on transformation of alternate bar morphology * 12:15 lunch SESSION WE-07 (Room 210) Moderator: Gregory Wilkerson 11 13:30 presentation B. DeTemple & P.R.Wilcock Observations of armor formation in a sediment-recirculating flume 12 13:50 presentation O. Sarmiento & M. Falcon Fractionally-integrated sediment-transport rate over a non-uniform sediment bed 13 14:10 presentation P.E. Grams, P.W.Wilcock & S.M.Wiele Entrainment and non-uniform transport of fine-sediment in coarse-bedded rivers 14 14:30 presentation A.N. Papanicolaou & C. Kramer The role of relative submergence on cluster microtopography and bedload predictions in mountain streams 15 14:50 presentation J.C. Rowland & W.E. Dietrich The evolution of a tie channel * 15:10 break SESSION WE-08 (Room 210) Moderator: Kazuyoshi Hasegawa 16 15:30 presentation S.-U. Choi, T.B. Kim & K.D. Min 2D finite element modeling of bed elevation change in a curved channel 17 15:50 presentation L. Solari & G. Seminara On width variations in meandering rivers 18 16:10 presentation G. Zolezzi, R. Andreatta & M. Tubino Streamline-based parametrization of centrifugally induced secondary flows in natural streams 19 16:30 presentation S. Lanzoni, B. Federici & G. Seminara On the convective nature of bend instability * 17:10 break * 17:30 invited presentation (Room A)