We compare the surface deformation measurement capability of the Small BAseline Subset (SBAS) DInSAR technique and of the continuous Global Positioning System (GPS). The analysis is focused on the Los Angeles (California) test area where different deformation phenomena occur and a large amount of SAR data, acquired by the European Remote Sensing Satellite (ERS) sensors, and of continuous GPS measurements is available. Our analysis shows that the SBAS technique allows to achieve an estimate of the single displacement measurements, in the radar line of sight (LOS), with a standard deviation of about 5mm, which is comparable with the LOS-projected GPS data accuracy. A final discussion on the complementariness and integration of SAR and GPS measurements is provided.


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    Titel :

    Comparison and integration of GPS and DInSAR deformation time-series


    Beteiligte:
    Calamia, M. (Autor:in) / Franceschetti, G. (Autor:in) / Lanari, R. (Autor:in) / Casu, F. (Autor:in) / Manzo, M. (Autor:in)


    Erscheinungsdatum :

    2009-03-01


    Format / Umfang :

    1408796 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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