Global color variations on the Martian surface

Details Global color variations on the Martian surface Global color variations on the Martian surface

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978icar...34..446s&link_type=abstract

Icarus, vol. 34, June 1978, p. 446-464. NASA-sponsored research.

Astronomy and Astrophysics

Astronomy

30

Color Photography, Mars Surface, Photointerpretation, Spectral Reflectance, Terrain Analysis, Viking Orbiter Spacecraft, Albedo, Photomapping, Satellite-Borne Instruments, Spaceborne Astronomy, Viking 2 Orbiter, Albedo, Mapping, Eolian Features, Spectral Reflectivity, Topography, Mars, Optical Properties, Surface, Colors

Scientific paper

Spectral reflectance data from the Viking-II Orbiter vidicon cameras have provided a means of mapping and classifying Martian surface materials over about 65% of the planet. The imagery, acquired at three wavelengths, was processed to remove an average Martian photometric function; albedo maps at the three wavelengths were created. Analysis of the imagery showed that the dark region between the equator and about 30 deg S in the Martian highlands consists of ancient ridges, crater rims and rugged plateaus which are very red, and younger intercrater volcanic plains exhibiting mare ridges which are much less red. In addition probable eolian deposits were found in the intermediate and high albedo regions.

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