A model of diffuse radar scattering from Martian surface rocks

Details A model of diffuse radar scattering from Martian surface rocks A model of diffuse radar scattering from Martian surface rocks

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...76..513c&link_type=abstract

Icarus (ISSN 0019-1035), vol. 76, Dec. 1988, p. 513-524.

Physics

6

Mars Surface, Radar Scattering, Remote Sensing, Rocks, Doppler Effect, Formyl Ions, Radar Echoes, Scattering Cross Sections

Scientific paper

The authors have modeled the depolarized component of diffuse scattering of radar energy from Mars based on a surface distribution of rock abundance derived from thermal-infrared measurements. Two physically plausible models for the orientation of surface rocks were used, and plots of scattering cross section as a function of Doppler shift were derived. The modeled spectral shapes showed some similarities to observed spectra and in general had magnitudes within about a factor of 2 of measured values. Surface inhomogeneities may account for the discrepancies between measured and modeled spectra but scattering by subsurface elements may also play an important role.

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