Research Article
Dec 1980
Rain Infiltration into Layered Soils: Prediction
Publication: Journal of the Irrigation and Drainage Division
Volume 106, Issue 4
Abstract
A simple model, based on the Green-Ampt approach, for describing one-dimensional vertical water infiltrarion into nonuniform soils under rain application is presented. The model contains three measurable input parameters which are based on properties and initial soil profile conditions. The model performance is compared against another model derived from the general flow theory and a good agreement is found. The comparison is made for different soil profiles and rain intensities. The application of the model is illustrated by numerical examples. Conditions under which soil surface saturation and water ponding occur are examined. The model provides a useful workable tool, in irrigation and hydrology, for approximating infiltration in the field where the soils are seldom uniform.
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Published In
Journal of the Irrigation and Drainage Division
Volume 106 • Issue 4 • December 1980
Pages: 311 - 319
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Dec 1980
Published online: Feb 11, 2021
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Authors
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Ahmed Y. Hachum, AM.ASCE
Instr., Dept. of Irrigation Engrg., Mosul Univ., Mosul, Iraq
Jose F. Alfaro, M.ASCE
Assoc., Prof. Dept. of Agricultural and Irrigation Engrg., Utah State Univ., Logan, Utah
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.