ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa


Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2017, Vol. 14, No. 4, pp. 265-272

Construction of a digital terrain model of Mars based on Context Camera (CTX) images for further geological and geomorphological analysis

S.S. Krasilnikov 1, 2 , E.S. Brusnikin 2 , A.E. Zubarev 2 , Y. Bühler 3 , R.O. Kuzmin 1, 4 
1 V.I. Vernadsky Institute of Geochemistry and Analytical Chemistry RAS, Moscow, Russia
2 Moscow State University of Geodesy and Cartography, Moscow, Russia
3 WSL Institute for Snow and Avalanche Research, SLF, Davos Dorf, Switzerland
4 Space Research Institute RAS, Moscow, Russia
Accepted: 11.07.2017
DOI: 10.21046/2070-7401-2017-14-4-265-272
Studied area is located on high latitude of Mars and includes two craters (70.3°N, 266.45°E and 67.25°N, 249.45°E). On its inner craters slopes unique for Mars forms are located — lobate moraine-like ridges (LMLR). With the aim to study them digital terrain models (DTM) with high resolution were created. DTM was needed for modeling of avalanching on inner craters slopes, as well as for geological and geomorphological analysis of surface (Krasilnikov et al., 2016). For DTM construction photogrammetric processing of images from Context Camera was used, which is located on the Mars Reconnaissance Orbiter (Malin et al., 2007). Construction and processing of DTM were made in PHOTOMOD program (Adrov et al., 1995). Modeling of surge process was carried out with Rapid Mass Movement Simulation (RAMMS) software in RAMMS::AVALANCHE module (Christen, Kowalski, Bartelt, 2010). For this modeling gravity was corrected to g = 3.71 m/s2, which allowed for realistic simulations of the gravitational processes on Mars.
Keywords: Mars, MRO, CTX, DTM, RAMMS, LMLR, avalanche, ice
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