Physics
Scientific paper
Oct 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002georl..29s..10t&link_type=abstract
Geophysical Research Letters, Volume 29, Issue 19, pp. 10-1, CiteID 1904, DOI 10.1029/2002GL015691
Physics
10
Planetary Sciences: Polar Regions, Planetary Sciences: Surface Materials And Properties, Planetary Sciences: Remote Sensing
Scientific paper
Mars Odyssey Gamma-Ray Spectrometer (GRS) neutron spectrometer data are analyzed to determine the concentration and boundary of buried water ice near the south pole. The measurements are consistent with a circumpolar layer of average ice concentration from 35 to 100% by weight and superposed dust with thickness density product 30 to 40 g/cm2. The region of buried water ice extends from near the south pole to latitudes 48S to 58S. The equatorward boundary of the ice-rich region compares favorably with the boundary of an ice-rich dust mantle inferred from Mars Orbiter Laser Altimeter data and the locations of dissected terrain inferred from Mars Orbiter Camera images. The ice-rich mantle is identified as the source of enhanced hydrogen sensed by the neutron spectrometer.
Boynton Willam V.
Elphic Richard C.
Feldman William C.
Head James W.
Kreslavsky Mikhail A.
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