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Dielectric models of topsoil are a crucial element of remote sensing retrieval algorithms that are used to obtain geophysical characteristics of the land surface, such as soil moisture, temperature, and freeze/thaw state. Contemporary radiometers and radars acting from space are functioning in the frequency range from 1.2 GHz to 89 GHz. In addition, the GPR and TDR instruments, which are used for...
A single-frequency dielectric model at 1.4 GHz for frozen mineral soils was developed, with the temperature and clay content varying from −1 to −30°C and 9.1 to 41.3%, respectively. The model is based on dielectric measurements of three typical soils (sandy loam, silt loam, and silty clay) collected in the Yamal peninsular. The refractive mixing model was applied to fit the data aggregates consisting...
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