Zhurnal Radioelektroniki - Journal of Radio Electronics. eISSN 1684-1719. 2023. №1
ContentsFull text in Russian (pdf)
DOI: https://doi.org/10.30898/1684-1719.2023.1.4
INFLUENCE OF RELAXATIONS IN SOIL WATER ON THE TEMPERATURE DEPENDENCE OF SOIL PERMITTIVITY
A.Yu. Karavayskiy, Yu.I. Lukin
Kirensky Institute of Physics of the Siberian Branch of the Russian Academy of Sciences,
660036, Krasnoyarsk, Akademgorodok 50, bld. 38
The paper was received November 25, 2022
Abstract. The influence of the dielectric constant spectra of bound and unbound water in mineral soil on the temperature dependences of the dielectric constant of mineral soil in the electromagnetic field frequency range from 50 MHz to 15 GHz was studied. The reasons for the appearance of the crossover frequency of the dielectric constant of mineral soil, obtained at different temperatures, but for a sample of the same moisture, were studied. It was proved that the appearance of crossover points in the frequency range up to 1.5 GHz is related to the Maxwell-Wagner effect in bound water. The dependences of the value of the crossover frequency of the dielectric constant of mineral soil on temperature and the volume content of bound and unbound water were studied.
Key words: dielectric constant, mineral soil, soil moisture, bound water, Maxwell-Wagner effect.
Financing: The work was financially supported by the Russian Science Foundation and the Krasnoyarsk Regional Fund for Support of Scientific and Scientific and Technical Activities within the framework of the scientific project No. 22-27-20112
Corresponding author: Karavayskiy Andrey Yurievich, rsdak@ksc.krasn.ru
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For citation:
Karavayskiy A.Yu., Lukin Yu.I. Influence of relaxations in soil water on the temperature dependence of soil permittivity. Zhurnal radioelektroniki [Journal of Radio Electronics] [online]. 2023. №1. https://doi.org/10.30898/1684-1719.2023.1.4 (In Russian)