Computer Science – Performance
Scientific paper
Feb 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3403201l&link_type=abstract
Geophysical Research Letters, Volume 34, Issue 3, CiteID L03201
Computer Science
Performance
10
Geochemistry: Composition Of The Moon, Planetary Sciences: Solid Surface Planets: Composition (1060, 3672), Planetary Sciences: Solar System Objects: Moon (1221)
Scientific paper
We have completed the first global spatial deconvolution analysis of planetary gamma-ray data for lunar Th abundances as measured by the Lunar Prospector Gamma-ray Spectrometer. We tested two different spatial deconvolution techniques - Jansson's method and the Pixon method - and determined that the Pixon method provides superior performance. The final deconvolved map results in a spatial resolution improvement of a factor of 1.5-2. The newly deconvolved data allow us to clearly delineate nearside Th enhancements and depressions, validate enhanced Th abundances associated with specific lunar red spots, and reveal new details of the Th distribution at the Aristarchus plateau.
Elphic Richard C.
Feldman William C.
Hagerty Justin J.
Lawrence D. Jr. J.
Prettyman Thomas H.
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