Abstract
Abstract The numerical procedure of Hanks and Bowers was used to solve the moisture flow equation for boundary conditions corresponding approximately to those existing for infiltration into a field soil. Water diffusivity and retention data, necessary for theory calculations of infiltration, were measured on field cores by the outflow method. Infiltration estimates were obtained for a simulated two‐horizon soil with three nonuniform antecedent moisture profiles. Calculated infiltration rates were in good agreement with field rates measured with a sprinkling infiltrometer. Although not considered a substitute for field measurement, the numerical procedure appears to be a useful means of supplementing field measurement data by providing estimates of infiltration for simulated conditions of practical interest which are difficult to evaluate in the field.
Keywords
Infiltration (HVAC)InfiltrometerMoistureSoil scienceOutflowThermal diffusivityWater contentEnvironmental scienceHydrology (agriculture)MechanicsSoil waterGeotechnical engineeringGeologyHydraulic conductivityThermodynamicsMeteorologyPhysics
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Publication Info
- Year
- 1964
- Type
- article
- Volume
- 28
- Issue
- 1
- Pages
- 15-19
- Citations
- 36
- Access
- Closed
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Cite This
R. E. Green,
R. J. Hanks,
W. E. Larson
(1964).
Estimates of Field Infiltration by Numerical Solution of the Moisture Flow Equation.
Soil Science Society of America Journal
, 28
(1)
, 15-19.
https://doi.org/10.2136/sssaj1964.03615995002800010018x
Identifiers
- DOI
- 10.2136/sssaj1964.03615995002800010018x