Fig. 11From: Inferring the high velocity of landslides in Valles Marineris on Mars from morphological analysisScheme showing the procedure for estimating the velocity based on the curvature of the furrows at the front of the eastern Ophir Labes landslide. a General scheme (see Eqs. 4 and 5). b Calculated trajectories with different initial velocities. c Aerial HRSC image (H2039_0000_ND4) of the curved furrows in the Ophir Labes depositBack to article page