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Two-Dimensional Hillslope Scale Soil Erosion Model
Publisher: American Society of Civil Engineers
Abstract: On a hillslope, overland flow first generates sheet erosion and then, with increasing flux, it causes rill erosion. Sheet erosion (interrill erosion) and rill erosion are commonly observed to coexist on hillslopes. Great ...
Effect of Microtopography, Slope Length and Gradient, and Vegetative Cover on Overland Flow through Simulation
Publisher: American Society of Civil Engineers
Abstract: Overland flow on a hillslope is significantly influenced by its microtopography, slope length and gradient, and vegetative cover. A 1D kinematic wave model in conjunction with a revised form of the Green-Ampt infiltration ...
Fluid–Solid Interaction in Particle-Laden Flows
Publisher: American Society of Civil Engineers
Abstract: Using a laser-Doppler split-phase measuring technique, the rates of fluctuation in horizontal and vertical directions of pipe flow containing solid particles were observed. Employing these observations the effect of particles ...
Closure to “Fluid-Solid Interaction in Particle-Laden Flows” by Q. Q. Liu and V. P. Singh
Publisher: American Society of Civil Engineers
Plot Erosion Model Using Gray Relational Analysis Method
Publisher: American Society of Civil Engineers
Abstract: The main factors affecting interrill erosion—including runoff discharge, rainfall intensity, mean flow velocity, and slope gradient—were analyzed by using a gray relational analysis. An equation for interrill erosion was ...
Case Study: Influence of Morphological Changes on Flooding in Jingjiang River
Publisher: American Society of Civil Engineers
Abstract: The middle reach of the Yangtze River, customarily called the Jingjiang River, together with its diversion channels and Dongting Lake, form a large complicated drainage system. In the last five decades, significant ...
Roll Waves in Overland Flow
Publisher: American Society of Civil Engineers
Abstract: Roll waves are frequently observed in overland flow, especially in rill flow, which has an important effect on the development of soil erosion. Using one-dimensional St. Venant equations, this paper investigates the dynamics ...
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