Microwave dielectric properties of snow: Modeling and measurements

Details Microwave dielectric properties of snow: Modeling and measurements Microwave dielectric properties of snow: Modeling and measurements

Apr 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995georl..22..965s&link_type=abstract

Geophysical Research Letters (ISSN 0094-8276), vol. 22, no. 8, p. 965-968

Physics

4

Dielectric Properties, Microwave Emission, Millimeter Waves, Snow, Density, Grain Size, Mathematical Models, Measurement

Scientific paper

We investigated the dielectric loss tangent of dry snow in the 30-40 GHz as a function of crystal size and frequency. Measurements were carried out with an open resonator method of semiconfocal type. To validate a strong fluctuation model (Stogryn, 1986), measurements and simulated results are compared. As predicted by the model, the loss tangent increases with the frequency and the crystal size. The comparison is satisfactory for snow crystal sizes below 1 mm. Above 1 mm, more measurements are needed.

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