Physics
Scientific paper
Aug 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008jgre..11308006f&link_type=abstract
Journal of Geophysical Research, Volume 113, Issue E8, CiteID E08006
Physics
6
Planetary Sciences: Solar System Objects: Mars, Planetary Sciences: Solid Surface Planets: Polar Regions, Biogeosciences: Permafrost, Cryosphere, And High-Latitude Processes (0702, 0716), Cryosphere: Ice (1863), Atmospheric Processes: Climate Change And Variability (1616, 1635, 3309, 4215, 4513)
Scientific paper
Water content and burial depths derived from thermal and epithermal neutron currents measured by the Mars Odyssey Neutron Spectrometer are used to determine north to south asymmetries and intercorrelations at high latitudes on Mars. Our goal is to contrast observed asymmetries with predictions based on current climate conditions and potential regolith thermophysical and chemophysical properties. The average mass fraction of water-equivalent hydrogen within the buried layer is higher on average in the south between 60° and 75° latitude and is strongly anticorrelated with burial depth in both hemispheres. These results argue that the observed water content at high latitudes may require differing north to south thermophysical and/or chemophysical properties of the regolith.
Bandfield Joshua L.
Diez Benedicte
Elphic Richard C.
Feldman William C.
Maurice Sylestre
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