Among others, dam-break waves are a common representation for tsunami near- or on-shore as well large storm riding on top of surge water levels at coasts. These extreme hydrodynamic events frequent cause destruction and losses along coastlines worldwide. Within this study, propagated over composite bathymetry, consisting linear slope an adjacent horizontal plane. The wave propagation the its su...

Historical aerial photographs and field observations on five fluvially dominated alluvial fans in southern Arizona demonstrate that channel avulsion invariably occurs where bank heights are low and often at channel bends. Channel abandonment occurs through stream capture when overland flow from the main channel accelerates and directs headward erosion of smaller channels heading on the fan surf...

Two distinct redistribution grids - adaptation techniques, spring analogy and elliptic grid generator are applied to two-dimensional steady, inviscid, shocked flows, and the ability of each technique is examined and compared. Euler equations are solved base on Roe's Reimann solver approach to simulate supersonic flow around a sphere, transonic flow about an airfoil and supersonic flow in a symm...

hairsine and rose (1991) developed a process-based soil erosion model which described the erosion transport of multiparticle sizes in sediment for rain-impacted flow in the absence of entrainment in overland flow. in order to test this model laboratory experiments were carried out in a detachment tray using simulated rainfall. three contrasting soil types were subjected to simulated rainfall at...

Abstract. In steep wildfire-burned terrains, intense rainfall can produce large runoff that trigger highly destructive debris flows. However, the ability to accurately characterize and forecast flow susceptibility in burned terrains using physics-based tools remains limited. Here, we augment Weather Research Forecasting Hydrological modeling system (WRF-Hydro) simulate both overland channelized...