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Redistribution of soil water from plane, line, and point sources

โœ Scribed by J. R. Philip; J. H. Knight

Publisher
Springer
Year
1991
Tongue
English
Weight
922 KB
Volume
12
Category
Article
ISSN
0342-7188

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โœฆ Synopsis

Certain power law representations of the moisture diffusivity and hydraulic conductivity functions lead to similarity solutions for the redistribution of water from instantaneous plane, line, and point sources. The solutions may be used to estimate post-irrigation redistribution of finite slugs of water applied from such sources. Illustrative examples deal with the redistribution of initial slugs of water originating from plane, line, and point sources near the soil surface. The solutions apply to a diversity of configurations encountered in irrigation practice. The principal limitation to their use lies in the need to match soil hydraulic and capillary properties to the power laws; but matching in some integral sense may give information of ample accuracy for engineering purposes.

๐Ÿ“œ SIMILAR VOLUMES

Estimation of the wetted soil volume dep
Estimation of the wetted soil volume depth, under a surface trickle line source, considering evaporation and water extraction by roots
โœ St. Elmaloglou; N. Malamos ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 168 KB

## Abstract The use of a plane flow model that takes into account evaporation and water extraction by roots, in order to analyze local infiltration from a surface line source of trickle irrigation is presented. The numerical results were the base for the development and testing of an empirical meth