Premium
A Comparison of Hydraulic Conductivities Calculated with Morphometric and Physical Methods
Author(s) -
Bouma J.,
Denning J. L.
Publication year - 1974
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/sssaj1974.03615995003800010038x
Subject(s) - hydraulic conductivity , homogeneous , porous medium , moisture , adsorption , porosity , materials science , mineralogy , soil science , geology , chemistry , thermodynamics , composite material , soil water , physics , organic chemistry
Hydraulic conductivity of coarse porous media with packing pores could be calculated not only with accepted physical, but also with morphometric techniques if matching factors were used. Morphometric K curves were closest to physical curves derived from moisture adsorption characteristics. The morphometric technique can be applied exclusively to small or fragile homogeneous soil materials that cannot be sampled for moisture retention determinations in the laboratory. The pore interaction model of Marshall overestimated K sat when morphometric r ‐values were used. Moisture retention curves, calculated with morphometric data, agreed well in coarse porous media with physical adsorption curves.