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Title: A first approach for displacement analysis in Lisbon Downtown using PS-InSAR
Authors: Roque, D.
Fonseca, A. M.
Henriques, M. J.
Falcão, A. P.
Keywords: Permanent scatterers;Subsidence;Seasonal trend;Lisbon Downtown
Issue Date: 2014
Publisher: Elsevier
Citation: Roque, D., Fonseca, A.M., Henriques, M.J., Falcão, A.P. (2014). "A first approach for displacement analysis in Lisbon Downtown using PS-InSAR", Procedia Technology, 16, pp. 288-293.
Abstract: Lisbon Downtown presents unique geomorphologic properties which makes it an area prone to terrain instability. Serious accidents have occurred there, namely, during the 1755 earthquake and a flooding event at the extension of a subway line, demanding a frequent monitorization for safety reasons and expense minimization. In this study, Permanent Scatterers technique is applied. The calculated displacement velocities are compared to those obtained from levelling operations. Possible causes for the discrepancy are presented in the paper. Besides a subsidence trend, a seasonal behaviour is also detected, probably related to aquifer recharge or tides.
Appears in Collections:DBB/NGA - Comunicações a congressos e artigos de revista

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