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A Physically Based Two-Dimensional Infiltration Model for Furrow Irrigation

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  022063,  2002 ASAE Annual Meeting . (doi: 10.13031/2013.11688) @2002
Authors:   Cristopher J. SkonardDerrel L. Martin
Keywords:   Furrow irrigation, infiltration, simulation

A two-dimensional physically based infiltration model was developed for furrow irrigation. Infiltration was simulated using the Green-Ampt infiltration method. The Green-Ampt infiltration parameters are available from numerous sources, unlike the Kostiakov infiltration parameters. Simulation tests showed the two-dimensional model capable of estimating cumulative infiltration volume within 8% compared to simulated infiltration using the finite element model, Hydrus-2D. Application of the two-dimensional model in a surface irrigation advance model allows irrigation performance parameters to be predicted without extensive soil experiments.

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