Regions of potential existence of free water (ice) in the near-surface Martian ground: Results from the Mars Odyssey high-energy neutron detector (HEND)

R. O. Kuzmin, E. V. Zabalueva, I. G. Mitrofanov, M. L. Litvak, W. V. Boynton, R. S. Saunders

Research output: Contribution to journalArticle

17 Scopus citations

Abstract

We report results of the analysis of the data on global mapping of neutron fluxes from the Martian surface, which have been obtained during the first ten months of measurements carried out by the Russian high-energy neutron detector HEND mounted aboard the American Mars Odyssey orbiter. This analysis allowed us to separate regions where free water (in ice form) prevailed in the surface layer (with a thickness of up to 2 m) of the Martian ground from regions where physically and chemically bound ground water was most likely to be the dominant form of water. The global mapping of regions with increased ice content in the ground-surface layer revealed a direct correlation with regions of polygonal terrains morphologically similar to terrestrial polygonal forms of permafrost origin. The potential content of bound water forms in the ground of circumpolar areas of the planet is also estimated.

Original languageEnglish (US)
Pages (from-to)1-11
Number of pages11
JournalSolar System Research
Volume38
Issue number1
DOIs
StatePublished - Jan 1 2004

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

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