Research Article Open Access

Dependence of Emissivity on Physical Properties of Roorkee Soils

Abstract

The dielectric constant of six dry soil samples from the Roorkee (State- Uttarakhand, India) have been measured at microwave frequency in the C-band (f= 5.3 GHz, λ=2.8 cm) region using waveguide cell method. The Emissivity of dry soil samples for normal incidence has been calculated from measured values of dielectric constant. The soil samples were analyzed for physical properties viz texture, bulk density, wilting point. The dependence of emissivity of soils on their physical constituents was presented. The results were analyzed statistically, which showed no linear significant correlation between emissivity of soils and physical constituents. While strong significant fourth order polynomial correlations were observed between them.

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