A model of diffuse radar scattering from Martian surface rocks

Wendy M. Calvin, Bruce M. Jakosky, Philip Christensen

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

We 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 sectra and in general had a 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.

Original languageEnglish (US)
Pages (from-to)513-524
Number of pages12
JournalIcarus
Volume76
Issue number3
DOIs
StatePublished - Dec 1988

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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