Ice-Rich Debris Aprons and Lobate Crater: Digital Elevation Modeling Derived from Viking Images

Statistics – Applications

Scientific paper

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Mars Surface, Mars (Planet), Ice, Mars Photographs, Planetary Mapping, Viking Spacecraft, Laser Altimeters, Algorithms, Cameras, Computerized Simulation, Topography

Scientific paper

We present a new method to derive Digital Elevation Model (DEM) from Viking images and two applications for ice supply studies in the Martian soil. Our objectives have been defined in respect of the knowledge of the Martian topography. While the Mars Orbiter Laser Altimeter (MOLA) provided extremely well-controlled and high-precise topographic data over the whole surface of Mars, resolution is limited by the distance between ground tracks. Even if improvements were made in removing severe offset in cartographic products data consistency between different missions is still a problem. The method has been divided in two steps: (1) the correlation algorithm and (2) camera adjustment for DEM processing. Additional information is contained in original extended abstract.

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