Ground-based polarimetric SAR interferometry for the monitoring of terrain displacement phenomena-part II: applications
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10.1109/JSTARS.2014.2366711
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hdl:2117/81157
Tipus de documentArticle
Data publicació2015-03-01
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Abstract
Urban subsidence and landslides are among the greatest hazards for people and infrastructure safety and they require an especial attention to reduce their associated risks. In this framework, ground-based synthetic aperture radar (SAR) interferometry (GB-InSAR) represents a cost-effective solution for the precise monitoring of displacements. This work presents the application of GB-InSAR techniques, particularly with the RiskSAR sensor and its processing chain developed by the Remote Sensing Laboratory (RSLab) of the Universitat Politecnica de Catalunya (UPC), for the monitoring of two different types of ground displacement. An example of urban subsidence monitoring over the village of Sallent, northeastern of Spain, and an example of landslide monitoring in El Forn de Canillo, located in the Andorran Pyrenees, are presented. In this framework, the key processing particularities for each case are deeply analyzed and discussed. The linear displacement maps and time series for both scenarios are showed and compared with in-field data. For the study, fully polarimetric data acquired at X-band with a zero-baseline configuration are employed in both scenarios. The displacement results obtained demonstrate the capabilities of GB-SAR sensors for the precise monitoring of ground displacement phenomena.
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CitacióIglesias, R., Aguasca, A., Fabregas, F., Mallorqui, J.J., Monells, D., Lopez, C., Pipia, L. Ground-based polarimetric SAR interferometry for the monitoring of terrain displacement phenomena-part II: applications. "IEEE journal of selected topics in applied earth observations and remote sensing", 01 Març 2015, vol. 8, núm. 3, p. 994-1007.
ISSN1939-1404
Versió de l'editorhttp://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=6981929
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JSTARS2366711_Part_II.pdf | 7,308Mb | Visualitza/Obre |