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Estimation of Soil and Crop Hydraulic Properties for Surface Irrigation: Theory and Practice

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

Citation:  Paper number  012254,  2001 ASAE Annual Meeting. (doi: 10.13031/2013.6270) @2001
Authors:   Eduardo Bautista, Leland Hardy, Marshall English, Dawit Zerihun
Keywords:   Infiltration, hydraulic resistance, parameter estimation, surface irrigation

A key challenge to the application of surface irrigation analysis tools is the difficulty in characterizing system parameters, particularly those describing infiltration and hydraulic roughness. An ASCE Task Committee was formed with the purpose of examining the various available soil and crop hydraulic parameter estimation methods and to develop guidelines that would facilitate their calculation and use. This paper reviews practical concepts used to model infiltration and hydraulic resistance, methodologies for estimating the needed parameters, and discusses how these concepts and estimation methods are actually being used in practice.

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