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Infiltration into Vertical Columns of Soil under a Small Positive Head
Author(s) -
Gupta R. P.,
Staple W. J.
Publication year - 1964
Publication title -
soil science society of america journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.836
H-Index - 168
eISSN - 1435-0661
pISSN - 0361-5995
DOI - 10.2136/sssaj1964.03615995002800060016x
Subject(s) - infiltration (hvac) , loam , water content , moisture , soil science , silt , pressure head , soil water , geology , geotechnical engineering , mineralogy , hydrology (agriculture) , materials science , geomorphology , composite material , thermodynamics , physics
Experimentally measured soil moisture profiles during infiltration into vertical columns of air‐dry Grenville silt loam, under a small positive hydrostatic pressure, were compared with those predicted by the iterative procedure of Philip, and by an explicit finite difference method. Philip's solution predicted the shape of the drier portion of the moisture profile satisfactorily but the predicted depth of the zone of zero soil moisture tension and the total depth of infiltration were less than found experimentally. Satisfactory estimates of the shape and depth of the moisture profile were provided by the second method when the high conductivities in the saturated and transition zones near the surface were taken into account.