This paper presents a methodology to process airborne interferometric SAR data to measure surface velocity fields of temperate glaciers. First, a solution based on multi-squint is proposed to estimate residual motion errors (inaccuracies of the navigation system on the order of a few centimeters) in the case of non-stationary scenes. Afterwards, an efficient methodology to derive surface velocity fields with airborne systems is expounded, where the line-of-sight displacement is estimated using differential interferometry, and the along-track component by estimating the azimuth coregistration offsets. The necessary steps to finally obtain the 3D surface velocity field are also presented, as well as the possibility to combine different acquisition geometries. Airborne interferometric SAR data acquired by the Experimental SAR system of DLR over the Aletsch glacier, located in the Swiss Alps, are used to evaluate the performance of the proposed approach.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Estimation of the Surface Velocity Field of Temperate Glaciers Using Airborne SAR Interferometry


    Beteiligte:
    Prats, Pau (Autor:in) / Andres, Christian (Autor:in) / Scheiber, Rolf (Autor:in) / Reigber, Andreas (Autor:in) / Horn, Ralf (Autor:in)

    Kongress:

    2008 ; Friedrichshafen, Germany



    Erscheinungsdatum :

    2008-06-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




    Surface Velocity of Swiss Alpine Glaciers from ERS SAR Interferometry

    Strozzi, T. / Wegmuller, U. / Werner, C. et al. | British Library Conference Proceedings | 2007


    Estimation of Ice Flow Velocity of Calving Glaciers Using SAR Interferometry and Feature Tracking

    Zhou, C. / Zhou, Y. / Dongchen, E. et al. | British Library Conference Proceedings | 2012


    Estimation of the Surface Velocity Field of the Aletsch Glacier Using Multi-Baseline Airborne SAR Interferometry

    Prats, Pau / Scheiber, Rolf / Reigber, Andreas et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2009

    Freier Zugriff

    Glacier Displacement Field Estimation Using Airborne SAR Interferometry

    Prats, Pau / Andres, Christian / Scheiber, Rolf et al. | Deutsches Zentrum für Luft- und Raumfahrt (DLR) | 2007

    Freier Zugriff

    Application of SAR Interferometry for Himalayan Glaciers

    Venkataraman, G. / Rao, Y. S. / Rao, K. S. et al. | British Library Conference Proceedings | 2006