Monitoring of large landslides by Terrestrial Laser Scanning techniques: field data collection and processing

We have monitored a large landslide that causes extensive damage by using Terrestrial Laser Scanners (TLS) and Global Positioning System (GPS) receivers. Our surveys have confirmed that the slope undergoes a continuous change. When using TLS some operational difficulties arise. We have used differen...

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Bibliographic Details
Published in:European journal of remote sensing 2013-01, Vol.46 (1), p.126-151
Main Authors: Barbarella, Maurizio, Fiani, Margherita
Format: Article
Language:English
Subjects:
Data collection
DEM/DTM
georeferencing
Global navigation satellite system
Global positioning systems
GPS
landslide
Landslides
Landslides & mudslides
Laser applications
Laser damage
Lasers
LiDAR
Monitoring
Navigation satellites
Navigation systems
Polls & surveys
Reference systems
Reliability analysis
Satellite navigation systems
Scanners
Stations
Terrestrial environments
TLS
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Summary:We have monitored a large landslide that causes extensive damage by using Terrestrial Laser Scanners (TLS) and Global Positioning System (GPS) receivers. Our surveys have confirmed that the slope undergoes a continuous change. When using TLS some operational difficulties arise. We have used different TLSs types to better evaluate the reliability of our surveys; a full wave TLS has allowed to make easier the data filtering. All surveys have been framed in the same absolute reference system; this has been done by connecting both targets and laser stations to a Global Navigation Satellite System (GNSS) Permanent Reference Stations network. A direct comparison among the DEMs allows to infer the movements of the landslide.
ISSN:2279-7254
2279-7254
DOI:10.5721/EuJRS20134608