Effect of Tall Vegetation on Erosion and Sedimentation: A Microcomputer Package

by Reza M. Khanbilvardi, City Coll, Dep of Civil Engineering, New York, NY, USA,
Andrew S. Rogowski, City Coll, Dep of Civil Engineering, New York, NY, USA,

Document Type: Proceeding Paper

Part of: Hydraulics and Hydrology in the Small Computer Age


A model was developed to predict the effect of standing vegetation on sediment yield. The model is based on the relationship between local scour around standing vegetation and the role of plant population density in deposition. The model utilizes a spacing hydraulic radius to define the characteristic length applicable to the calculation of Reynold's and Froude's number. These numbers, indicative of a flow regime, are then used in conjunction with sediment transport parameters for determination of net erosion or deposition.

Subject Headings: Computing in civil engineering | Hydraulic models | Soil analysis | Sediment transport | Vegetation | Computer models | Scour | Population projection

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