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Semiempirical model of soil water hysteresis

Soil Science Society of America Journal

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Abstract

In order to represent hysteretic soil water retention curves accurately using as few measurements as possible, a new semiempirical model has been developed. It has two postulates related to physical characteristics of the medium, and two parameters, each with a definite physical interpretation, whose values are determined empirically for a given porous medium. Tests of the model show that it provides high-quality optimized fits to measured water content vs. matric pressure wetting curves for a wide variety of media. A practical use of this model is to provide a complete simulated main wetting curve for a medium where only a main drying curve and two points on the wetting curve have been measured. -from Author

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Semiempirical model of soil water hysteresis
Series title:
Soil Science Society of America Journal
Volume
56
Issue:
6
Year Published:
1992
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Soil Science Society of America Journal
First page:
1723
Last page:
1730
Number of Pages:
8