Table of Contents IWEH 09 committees Preface Mathematical and numerical modeling of environmental fluid mechanics problems Development of a simplified model to solve 2D surface flow in basins, D. Lopez-Barrera, P. Garcia-Navarro, J. Burguete & P. Brufau Optimizing design in open channel, J.A. Pina, M. Hidalgo & D. Bragoni Numerical simulation of flow in the bifurcation of the Mezcalapa River, J.A. Sanchez-Munoz,W. Vicente-Rodriguez, M. Salinas-Vazquez, J. Osnaya-Romero, J. Gracia-Sanchez & E. Carrizosa-Elizondo Numerical analysis of hydraulic structures on the Carrizal River with computational fluid dynamics, Cubos-Ramirez,W. Vicente-Rodriguez, M. Salinas-Vazquez, J. Gracia-Sanchez, J. Osnaya-Romero & E. Carrizosa-Elizondo Modeling 2D laminar steady-state flow over a rectangular cavity, C. Gualtieri Simulation of the filling and emptying processes between a river and its storage areas, D. Meire, L. De Doncker, P. Troch & R. Verhoeven Circulation and numerical modeling of the Manzanillo harbor, Colima, Mexico, A. Aguilar-Chavez, R. Morales-Perez, J.A. Laurel-Castillo & H. Velez-Munoz Dynamic ultrafiltration modelling for a submerged membrane bioreactor based on neural networks, Y.M. Carreno-Martinez, J.A. Mendoza-Roca, E. Lobo-Colominas, A. Bes-Pia, F.J. Martinez-Francisco & L. Pastor-Alcaniz Energy production in water supply systems: Computational analysis for new design solutions, H.M. Ramos, A. Borga & M. Simao CFD simulation of the filling cycles in a potable water storage tank, D.F. Muriel, F.H. Garzon & C. Mosquera Effects of the pipe-wall rheological behaviour on hydraulic transient pressures, A.K. Soares, D.I.C. Covas, L.F.R. Reis & H.M. Ramos Mathematical modeling of pressurized system behaviour with entrapped air, S.C. Martins, H.M. Ramos &A.B. Almeida CFD model of flow intrusion through a failure inside a pipe caused by negative pressure, J. Mora-Rodriguez, P.A. Lopez-Jimenez, F. Garcia-Mares & X. Delgado-Galvan Modelling of the stirring of a sludge tank using Computational Fluid Dynamics, P. Martinez, R. Granell, S. Martinez & R. Suay Two dimensional hydrodynamic modelling for floods assessment in San Luis Potosi Industrial Zone (Mexico), T. de J. Soriano Perez &A. Dufour Candelaria Environmental hydraulics master program in Andalusia: An integrated approach to a professional and scientific profile oriented to multidisciplinary work groups, M.J. Polo, A. Baquerizo, L. Cruz, R. Fernandez-Feria & M.A. Losada Computational aspects on hybrid ANN-FE-groundwater flow calculations, L.Weber & K.-P. Holz Experimental experiences related to hydraulic models of environmental problems. Models validation Experimental study of a river biofilm growth on artificial cobbles in contrasted flow conditions, F.Y. Moulin, Y. Peltier, C. Pen, F. Garabetian, J. Sanchez-Perez, S. Sauvage, D. Baque & O. Eiff Experimental study of the benthic boundary layer above a bed of shells, F.Y. Moulin, K. Mulleners & C. Bourg Environment friendly structures named Bandalling for river bank erosion protection, Md. L. Rahman, B.C. Basak & Md. S. Osman Dynamics of the Chacahua tidal inlet: Measurements and modelling, R.A. Morales, H.S. Velez, G. Gutierrez & J.A. Laure Calibration of friction coefficients for a 3D hydrodynamic model, M. Escalante-Estrada, R. Morales-Perez & P. Echeverria Vaquero Experimental investigation of flow and deposit patterns in rectangular shallow reservoirs: Preliminary analysis, M. Dufresne, B.J. Dewals, S. Erpicum, P. Archambeau & M. Pirotton Dynamics of SS in the Guadalquivir estuary: Monitoring network and database management, S. Bramato, E. Contreras, M.J. Polo, A. Baquerizo, G. Navarro, M. Diez-Minguito & M.A. Losada Monitoring and decision support systems for impacts minimization of desalination plant outfall in marine ecosystem, J.M. Hernandez Torres, A. Hernandez Mascarell, M. Navarro Hernandez, M. Martin Monerris, R. Molina & J.M. Cortes Lab-cultured biofilm stabilization of non-cohesive sediments: Quantifying the elastic constant, k, E. Vignaga, H. Haynes,W.T. Sloan, A. Fernandes, M. Jarvis, T.K. Beattie &V.R. Phoenix Air-water flow structure in a vertical pipe: Experimental results and CFD modelling, S. Chiva, S. Mendez, J.L. Munoz-Cobo, E. Julia, L. Hernandez & F. Pellacani Heavy metal (Cd, Pb, Cu and Zn) distribution in marine sediments of the Bay of Cullera, Valencia (Western Mediterranean Sea), A.M. Jaramillo Londono, V. Benedito Dura, A. Tombari &A. Pastor Garcia Quantification of uncertainties in a 2D hydraulic model for the Dutch river Rhine using expert opinions, J.J.Warmink, H. van der Klis, M.J. Booij & S.J.M.H. Hulscher Evolutive techniques applied to water quality models calibration, P.A. Lopez-Jimenez, F.J. Martinez-Solano, G. Lopez-Patino &V.S. Fuertes-Miquel Direct sensitivity computation for the shallow water equations with discontinuous solution, C. Delenne, V. Guinot & B. Cappelaere Filtering and validation of velocities obtained with ADV equipment inside of hydraulic jumps, L.G. Castillo Lessons for the calibration of hydraulic transient simulators, N.J.G. Carrico, D.I.C. Covas &A.K. Soares Two dimensional experimental and numerical analyses of flow and pollutant transport in meandering channel, I.W. Seo, S.W. Park & C.G. Song