Numerical modeling of hydrodynamics and sediment transport at diversions: why depth-averaged models are not able to capture the inherent physics

Som Dutta1, Pablo Tassi2, Paul Fischer3, Dongchen Wang3 and Marcelo H Garcia4, (1)City University of New York, Department of Mathematics, New York, NY, United States, (2)Electricite de France Research & Development - Laboratoire National d’Hydraulique (LNHE) and Saint-Venant Hydraulics Laboratory, Chatou, France, (3)University of Illinois at Urbana Champaign, Urbana, IL, United States, (4)University of Illinois at Urbana Champaign, Civil and Environmental Engineering, Urbana, United States