Computer Science
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27...45a&link_type=abstract
Lunar and Planetary Science, volume 27, page 45
Computer Science
Channels, Mars, Radar, Volcanism, Weathering
Scientific paper
Five equatorial to mid-latitude regions of Mars were covered by the Arecibo S-band (12.6 cm) system and reduced to specific cross section images that show backscatter in same-sense and oppositely polarized circular polarization. The purpose of this paper is to summarize analyses of surface properties inferred from the data, Viking Orbiter images, and comparisons to data acquired over lava flows in Hawaii and the Lunar Crater Volcanic Field, Nevada with the AIRSAR system. Detailed descriptions of the work will be presented in subsequent papers by Harmon et al., in preparation. A prime result of the analyses is that two very young units display very high same- sense backscatter, with values comparable to rough, young a'a flows on Earth. They are: (a) the plains member of the Olympus Mons Formation that girdles Olympus Mons in N, E, and S directions from the shield; and (b) the young channeled and/or plains volcanism terrain located in Elysium and Amazonis Planitiae (Achu; Cerberus Plains). We suggest that these surfaces developed after weathering was unable to destroy roughness associated with flows and channels; i.e., volcanism, channeling, and the efficacy of weathering were all related.
Arvidson Ray E.
Campbell Bel
Guinness Edward A.
Harmon John
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