Infiltration into a class of vertically non-uniform soils

Beven, Keith (1984) Infiltration into a class of vertically non-uniform soils. Hydrological Sciences Journal, 29 (4). pp. 425-434. ISSN 0262-6667

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Abstract

An infiltration model based on the Green-Ampt assumptions is developed for a class of non-uniform soils in which saturated hydraulic conductivity decreases as an exponential function of depth, and the storage-suction factor C = ΔθΔΨ is a constant. An analysis of measured hydraulic conductivity and porosity data suggests that the model may be useful in some soils where the changes of hydraulic characteristics with depth are of this form. A method for using the model with time variable rainfall rates is given. The model is applied to simulate the experimental results of Childs and Bybordi (1969) who measured infiltration into layered sand profiles. Agreement was satisfactory even for this case.

Item Type:
Journal Article
Journal or Publication Title:
Hydrological Sciences Journal
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/2300/2312
Subjects:
?? water science and technology ??
ID Code:
225021
Deposited By:
Deposited On:
15 Oct 2024 09:45
Refereed?:
Yes
Published?:
Published
Last Modified:
15 Oct 2024 09:45