Research Article
Jun 1972
Border Irrigation Advance and Ephemeral Flood Waves
Publication: Journal of the Irrigation and Drainage Division
Volume 98, Issue 2
Abstract
Movement and modification of an advancing front on an initially dry infiltrating surface is modeled mathematically by a kinematic description of surface flow and a kinematic shock. Criteria for the goodness of approximation are presented, and the model is shown to describe two common hydraulic problems; border irrigation advance and dry channel flood wave movement. Two numerical methods for solution of the equations involved are developed and compared. Results from the kinematic model are compared with published data and other methods of predicting border irrigation advance. Sensitivity of advance rate to the infiltration relations is demonstrated, and a constant mean depth is shown to be a reasonable assumption as a first approximation. The model may also be used to route floods through a dry infiltrating channel, and correspondence of properties of measured floods with kinematic shock waves is demonstrated.
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Published In
Journal of the Irrigation and Drainage Division
Volume 98 • Issue 2 • June 1972
Pages: 289 - 307
Copyright
© 1972 American Society of Civil Engineers.
History
Published in print: Jun 1972
Published online: Feb 11, 2021
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Authors
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Roger E. Smith, AM.ASCE
Res. Hydr. Engr.; Southwest Watershed Res. Ctr., Tucson, AZ
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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.