Other
Scientific paper
Jun 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989icar...79..289r&link_type=abstract
Icarus (ISSN 0019-1035), vol. 79, June 1989, p. 289-310.
Other
16
Altimetry, Mars Craters, Radar Data, Radio Altimeters, Mars Surface, Relief Maps, Topography, Mars, Craters, Radar Methods, Altimetry, Topography, Elevation, Depth, Size, Terrain, Diagrams, Photographs, Morphology, Data, Diameter, Earth-Based Observations
Scientific paper
A total of 108 13-cm wavelength scans conducted for the 23 to -22 deg latitude regions of Mars during the 1971-1982 oppositions are of sufficiently high resolution to allow elevation differences of as much as 3 km over less than 10 deg longitude to be observed; most of this local relief is furnished by structural elements of impact craters. The data set has allowed identification of 152 complex degraded craters, some as small as 25 km diameter. Measured crater depths rarely exceed 2.5 km, and low exterior relief rather than overall low relief seems to be the distinguishing characteristic of large degraded craters. Processes other than fluvial sedimentation appear to have contributed to crater shallowing.
Downs George S.
Roth Ladislav E.
Saunders Stephen R.
Schubert Gerald
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