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Journal ArticleDOI

Refractive index of snow at microwave frequencies.

Matthew N. O. Sadiku
- 15 Feb 1985 - 
- Vol. 24, Iss: 4, pp 572-575
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TLDR
The refractive index of snow at 0°C was calculated for different snow types and microwave frequencies for the sake of completeness, and the refractive indices of water and ice were also calculated for the same frequencies.
Abstract
A systematic procedure for calculating the refractive index of snow at microwave frequencies is presented. The refractive index of snow at 0°C was calculated for different snow types (classified in terms of snow wetness as dry, most, wet, and watery) and microwave frequencies. For the sake of completeness, the refractive indices of water and ice were also calculated for the same frequencies.

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Recent research in snow hydrology

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A physically-based inversion algorithm for retrieving soil moisture in passive microwave remote sensing

TL;DR: Hong et al. as discussed by the authors presented a unique inversion algorithm (Hong's algorithm) for soil moisture retrieval with reduced degrees of freedom of the Fresnel equation; the algorithm is based on the characteristics of the polarization ratio for rough surfaces around the Brewster angle and Hong's approximation, which is an approximate relationship between vertically and horizontally polarized reflectivities.
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Attenuation and reflection of radio waves by a melting layer of precipitation

TL;DR: In this paper, the attenuation and reflection of a melting layer are calculated using a meteorological model employing a new scheme for the calculation of the dielectric properties of melting ice particles with densities ranging from those of loose snow to hail.
References
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Journal ArticleDOI

Dispersion and Absorption in Dielectrics I. Alternating Current Characteristics

TL;DR: In this paper, the locus of the dielectric constant in the complex plane was defined to be a circular arc with end points on the axis of reals and center below this axis.
Journal ArticleDOI

Broadband Complex Refractive Indices of Ice and Water

TL;DR: A critical survey of the literature is presented and an empirical model of the complex refractive indices for ice and liquid water is constructed from this review.
Journal ArticleDOI

Dielectric properties of ice and snow-A review

TL;DR: In this paper, the effect of snow density, impurities, stress, crystal size, and orientation on the permittivity and loss tangent of naturally occurring ice and snow are considered.
Journal ArticleDOI

The Dielectric Properties of Ice and Snow at 3.2 Centimeters

TL;DR: In this article, a program was carried out at the National Research Council of Canada to measure the permittivity and loss tangent of ice and snow, and also to determine the reflection coefficients of snow-covered surfaces, at a wavelength of 3.2 centimeters.
Journal ArticleDOI

Rain-induced cross-polarization at centimeter and millimeter wavelengths

TL;DR: In this article, the effect of rain-induced cross-polarization on the performance of a dualpolarisation microwave radio communication system was investigated. But the effect was not shown to be independent of the amount of rain.
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