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TOPOGRAPHY OF APOLLINARIS-PATERA AND MAADIM-VALLIS - AUTOMATED EXTRACTION OF DIGITAL ELEVATION MODELS

THORNHILL, GD; ROTHERY, DA; MURRAY, JB; COOK, AC; DAY, T; MULLER, JP; ILIFFE, JC; (1993) TOPOGRAPHY OF APOLLINARIS-PATERA AND MAADIM-VALLIS - AUTOMATED EXTRACTION OF DIGITAL ELEVATION MODELS. J GEOPHYS RES-PLANET , 98 (E12) 23581 - 23587.

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Abstract

We have used automatic extraction of digital elevation models (DEMs) from stereo imagery of Mars to produce DEMs of parts of the Aeolis quadrangle of Mars. The method uses automated stereo matching based on an adaptive least squares correlation technique, which can be applied to Viking Orbiter imagery. A demonstration of the technique is presented, which focuses on the volcano Apollinaris Patera (186 degrees W, 9 degrees S), and the channel Ma'adim Vallis (183 degrees W, 20 degrees S). The topographic information derived is compared with previous determinations of topography, and a brief discussion of the relationship of the topography to the processes that have acted in the area is given. DEMs derived from stereomatching are an invaluable resource for terrain interpretation, and will provide a complementary technique to direct topographic measurements such as future missions to Mars will provide.

Type: Article
Title: TOPOGRAPHY OF APOLLINARIS-PATERA AND MAADIM-VALLIS - AUTOMATED EXTRACTION OF DIGITAL ELEVATION MODELS
Keywords: VOLCANOS, MARS
UCL classification: UCL > School of BEAMS > Faculty of Engineering Science
UCL > School of BEAMS > Faculty of Engineering Science > Civil, Environmental and Geomatic Engineering
UCL > School of BEAMS > Faculty of Maths and Physical Sciences
UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Space and Climate Physics
URI: http://discovery.ucl.ac.uk/id/eprint/98350
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