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Authors: Ventura, G.* 
Vilardo, G.* 
Terranova, C.* 
Bellucci Sessa, E.* 
Editors: Margottini, C. 
Canuti, P. 
Sassa, K. 
Title: 4D Monitoring of Active Landslides by Multi-Temporal Airborne LiDAR Data
Publisher: Springer
Issue Date: Jun-2013
ISBN: 978-3-642-31445-2
Keywords: LiDAR
Multi-temporal analysis
Gravity processes
Subject Classification04. Solid Earth::04.04. Geology::04.04.03. Geomorphology 
05. General::05.08. Risk::05.08.01. Environmental risk 
Abstract: We present results of a multi-temporal analysis of airborne LiDAR data collected between 2006 and 2010 on the 3 km long active Montaguto landslide (Italy). Digital Terrain Models are constructed from data acquired on May 2006, July 2009, April 2010 and June 2010. The spatial distribution of selected morphometric parameters and the statistical analysis of the temporal variations of such parameters allow us to reconstruct the evolution of the landslide. We recognize zones of uplift and subsidence, estimate the volumes of removed or accumulated material, and determine the average rate of vertical and horizontal displacement. We also map the deformations structures and provide new insights on the sliding mechanisms. Zones in which the topographic features change due to handling/removal work are also analyzed. The approach proposed here provides new insight on the use of airborne LiDAR in the surveillance strategies of landslides and other gravity-controlled processes.
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