A GB-InSAR is a valuable monitoring system for unstable slope. When LoSs of pixel coherence is low, it is capable to measure movements up to m/day in a spatial continuous way. These meas- urements can then integrated with spatially discrete monitoring data obtained for example by automated topographic survey stations. In this paper, the GB-InSAR technique was tested in a 3 day measuring campaign at the Valoria earth flow during a reactivation event in 2009. Results were compared and validated with measurements of a continuous topographic monitoring system that consists of a total station. For this purpose, total station data were projected into line of sight displacements concurring with the displacement direction of the GB-InSAR survey. The test proved that even in difficult conditions, i.e. high water content in the ground and significant displacement, the radar is capable of returning robust results that are comparable, and potentially complementary to that of the total station.

GB-InSAR survey of the Valoria earthflow during the 2009 reactivation (Northern Apennines, Italy) / Corsini, Alessandro; Daehne, Alexander; Bertacchini, Eleonora. - STAMPA. - 2:(2012), pp. 1315-1319. ((Intervento presentato al convegno 11th International & 2nd North American Symposium on Landslides tenutosi a Banff - Alberta - Canada nel June 3 to 8, 2012.

GB-InSAR survey of the Valoria earthflow during the 2009 reactivation (Northern Apennines, Italy)

CORSINI, Alessandro;DAEHNE, Alexander;BERTACCHINI, Eleonora
2012

Abstract

A GB-InSAR is a valuable monitoring system for unstable slope. When LoSs of pixel coherence is low, it is capable to measure movements up to m/day in a spatial continuous way. These meas- urements can then integrated with spatially discrete monitoring data obtained for example by automated topographic survey stations. In this paper, the GB-InSAR technique was tested in a 3 day measuring campaign at the Valoria earth flow during a reactivation event in 2009. Results were compared and validated with measurements of a continuous topographic monitoring system that consists of a total station. For this purpose, total station data were projected into line of sight displacements concurring with the displacement direction of the GB-InSAR survey. The test proved that even in difficult conditions, i.e. high water content in the ground and significant displacement, the radar is capable of returning robust results that are comparable, and potentially complementary to that of the total station.
11th International & 2nd North American Symposium on Landslides
Banff - Alberta - Canada
June 3 to 8, 2012
2
1315
1319
Corsini, Alessandro; Daehne, Alexander; Bertacchini, Eleonora
GB-InSAR survey of the Valoria earthflow during the 2009 reactivation (Northern Apennines, Italy) / Corsini, Alessandro; Daehne, Alexander; Bertacchini, Eleonora. - STAMPA. - 2:(2012), pp. 1315-1319. ((Intervento presentato al convegno 11th International & 2nd North American Symposium on Landslides tenutosi a Banff - Alberta - Canada nel June 3 to 8, 2012.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11380/781689
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