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Two-Dimensional Modeling of Alluvial Fan Flows

by J. S. O'Brien, Lenzotti & Fullerton Consulting, Engrs., Inc, Breckenridge, United States,
W. T. Fullerton, Lenzotti & Fullerton Consulting, Engrs., Inc, Breckenridge, United States,



Document Type: Proceeding Paper

Part of: Hydraulics/Hydrology of Arid Lands (H?AL)

Abstract:

A two-dimensional, flood routing model FLO-2D has been developed to route water and mudflows over unconfined surfaces. It predicts flow velocities and depths at discrete points for channel or overland flow. The model accounts for the effects of buildings or other obstructions that limit storage and constrict flow widths. Mudflow hydraulics which vary spatially and temporally on alluvial fans are simulated as a function of sediment concentration.

Subject Headings: Two-dimensional models | Flood routing | Mathematical models | Hydraulic models | Two-dimensional flow | Simulation models | Overland flow

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