Computer Science
Scientific paper
Jan 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981icar...45..167c&link_type=abstract
Icarus, vol. 45, Jan. 1981, p. 167-178.
Computer Science
11
Albedo, Dust Storms, Mars Craters, Mars Surface, Planetary Mapping, Volcanoes, Lava, Mariner 9 Space Probe, Photomapping, Spaceborne Photography, Viking Orbiter 1, Wind Erosion, Mars, Mariner 9, Viking 1 Orbiter, Comparisons, Cerberus Region, Craters, Imagery, Albedo, Features, Streaks, Eolian Processes, Topography, Flows, Photographs, Geology, Maps, Dust Storms, Morphology, Volcanic Features
Scientific paper
Mariner 9 images of the Cerberus dark region of Mars obtained in 1972 are compared with Viking Orbiter 1 images obtained in 1978 to investigate temporal changes in the appearance of the region. Changes in the outline of the albedo feature in the six years between observations are found which resulted in an increase in total area by about 1.2%, with a shift in the boundary of the southwestern region by as much as 90 km. Darkening of many areas of Cerberus is also observed, resulting in the development of a more uniform dark tone and accompanied by the disappearance of dark filamentary markings observed in 1972. Although neither streaks associated with craters and knobs are found to vary in mean length, a change in the mean orientation of bright streaks is observed. These changes are explained by eolian redistribution and the removal of bright material during major dust storms.
Chaikin A. L.
El-Baz Farouk
Maxwell Ted A.
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