“…based remote sensing technologies such as Terrestrial Laser Scanning (TLS) (Abellán et al, 2010;Abellán et al, 2009;Oppikofer et al, 2009Oppikofer et al, , 2008 with combined stereo photogrammetry and aerial LiDAR approaches (Dewitte et al 2008), with satellite interferometric synthetic aperture radar (SAR) (Perski et al 2009, Vallone et al, 2008, and ground based interferometric synthetic aperture radar (GB InSAR) (Bozzano et al, 2011;Gischig et al, 2009;Tarchi et al, 2003) .…”