Separation of Different Deformation Regimes using PS-InSAR Data

Details Separation of Different Deformation Regimes using PS-InSAR Data Separation of Different Deformation Regimes using PS-InSAR Data

Jun 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.550e..19k&link_type=abstract

Proceedings of the FRINGE 2003 Workshop (ESA SP-550). 1-5 December 2003, ESA/ESRIN, Frascati, Italy. Editor: H. Lacoste. Publish

Physics

Scientific paper

Interferometric Synthetic Aperture Radar using Permanent Scatterers (PS-InSAR) [2] can be used for analyzing deformation patterns in time and space. 'Permanent Scattering' can be caused by different physical ob jects in the terrain. As PSs can be physically different, they may describe deformation patterns caused by different phenomena like gas extraction, ground water level variations or foundation instabilities. Separating superposed deformation signals is not trivial. The high precision of the phase data does not automatically lead to a reliable estimation of the deformation parameters. This paper gives a description of possible deformation causes and related scattering characteristics combined with a case study on separating deformation regimes. The results of a PS analysis performed on Rotterdam, the Netherlands, are used. Three classes of deformation mechanisms are discussed in relation with the corresponding scattering properties.

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