A first approach for displacement analysis in Lisbon Downtown using PS-InSAR

被引：5

作者：

Roque, Dora ^{[1
]}

Fonseca, Ana Maria ^{[1
]}

Henriques, Maria Joao ^{[1
]}

Falcao, Ana Paula ^{[2
]}

机构：

[1] Lab Nacl Engn Civil, P-1700066 Lisbon, Portugal

[2] Univ Lisbon, Inst Super Tecn, P-1049001 Lisbon, Portugal

来源：

CENTERIS 2014 - CONFERENCE ON ENTERPRISE INFORMATION SYSTEMS / PROJMAN 2014 - INTERNATIONAL CONFERENCE ON PROJECT MANAGEMENT / HCIST 2014 - INTERNATIONAL CONFERENCE ON HEALTH AND SOCIAL CARE INFORMATION SYSTEMS AND TECHNOLOGIES | 2014年 / 16卷

关键词：

Permanent Scatterers; subsidence; seasonal trend; Lisbon downtown; INTERFEROMETRY; DEFORMATION; SCATTERERS; SHANGHAI;

D O I：

10.1016/j.protcy.2014.10.094

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

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. (C) 2014 The Authors. Published by Elsevier Ltd.

引用

页码：288 / 293

页数：6

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