Soil water saturation: Dielectric determination | Zendy

Alharthi A. | Zendy; Lange J. | Zendy

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Soil water saturation: Dielectric determination

Author(s) -

Alharthi A.,

Lange J.

Publication year - 1987

Publication title -

water resources research

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.863

H-Index - 217

eISSN - 1944-7973

pISSN - 0043-1397

DOI - 10.1029/wr023i004p00591

Subject(s) - saturation (graph theory) , soil water , dielectric , water content , soil science , degree of saturation , water saturation , materials science , environmental science , geotechnical engineering , mineralogy , geology , composite material , porosity , mathematics , optoelectronics , combinatorics

Dielectric measurements of moist soils are used to determine water saturations. The degree of saturation of water is determined using a mixing law for the composite structure (soil, water, and air) which is verified experimentally. For the lower water saturation range (<60%), a particularly simple form for the relationship between fractional water content θ and measured dielectric constant can be formulated. In particular, for sandy soils at 23°C, the fractional water content is given by θ = 0.128( ϵ c ) ½ − 0.204.

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