Mathematics – Logic
Scientific paper
Oct 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988icar...76..163a&link_type=abstract
Icarus (ISSN 0019-1035), vol. 76, Oct. 1988, p. 163-181.
Mathematics
Logic
3
Astronomical Photography, Magellan Spacecraft (Nasa), Radar Imagery, Terrain Analysis, Venera Satellites, Image Resolution, Planetary Geology, Random Noise, Seasat Satellites, Speckle Patterns, Tectonics
Scientific paper
The 1-3 km resolution Venera 15 and 16 images of Venus and the expected 120-300 m resolution Magellan mission image data are presently simulated through a digital processing of Seasat radar images covering a desert dune complex in the Gran Desierto of Sonora, accreted terranes in the central interior of Alaska, and the Appalachian Valley and Ridge Province. The simulations suggest that the nature and extent of terrain modification on Venus by such exogenic processes as atmosphere-surface weathering, erosion, and deposition, will remain uncertain, since the length scale of features indicative of such processes may be too small to be discerned from Venera data; Magellan data may provide this critical fine-scale morphological data, however, and thereby allow the testing of the two competing resurfacing scenarios.
Arvidson Ray E.
Curlander John
Elachi Ch.
Kwok Ron
Schulte Marius
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