Bound water spectroscopy for the soils with varying mineralogy

A technique for estimating the data obtained on spectral dielectric properties of the soil bound water (BSW) as a function of the mineral composition are presented. The Debye spectroscopic parameters related to the BSW were derived with the use of the general refractive mixing dielectric model (GRMDM). The static dielectric constant (DC) of SBW was found to depend to a large extend on the content of humus. The static DC of the SBW present in the natrium humate sample (ε₀= 22.3), which is one of the components of the soil humus matter, appeared to have the least static DC as compared to those for the natural humus soil (ε₀ = 31.9), clay soil with low humus content (ε₀ = 46.7), and coal ashes collected from the filter of energy power station is (ε₀ = 64,9). At the same time, the relaxation times related to the all soil types considered were shown to be higher than that of the water out of soil, which does not interact with the soil mineral substance. The data obtained can be used for developing the moist soil spectroscopic dielectric data bases, which are used in the radar and radiometry remote sensing algorithms.